[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Di Benedetto, Guillermo"]
[Black "González, Víctor"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "105"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Chigorin.
} 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. Nf3 Bg4 5. Nc3 Qa5 6.
e3 (6. d5 O-O-O 7. Bd2 $16 {Minev}) 6... e5 7. d5 O-O-O 8. Qb3 Bxf3 9. gxf3 Nb4
10. e4 Nf6 11. Bd2 Na6 12. a3 Qb6 13. Qxb6 axb6 14. b4 $16 Ne8 15. Rc1 Kb8 16.
Be2 f6 17. h4 g6 18. Be3 Nd6 19. Nb5 Nxb5 20. Bxb5 Bd6 21. Ke2 h6 22. Rcg1 g5
23. hxg5 hxg5 24. Kf1 Kc8 (24... c5 25. dxc6 Nc7 26. Be2 bxc6 27. Bxb6 Kb7 28.
Ba5 Ra8 $16) 25. Kg2 Nb8 26. Ba4 Nd7 27. Kg3 Rdg8 28. Kg4 Nf8 29. Kf5 Nh7 30.
Rh5 Kd8 31. Rgh1 Rg7 32. Rh6 Be7 33. Bb5 Kc8 34. Kg4 Kd8 35. Kg3 Rf7 36. R6h5
Bd6 37. Bf1 Ke7 38. Bh3 Ra8 39. Be6 Nf8 40. Bxf7 Kxf7 41. Bc1 c5 42. dxc6 bxc6
43. Rd1 Be7 44. Rhh1 (44. Rh8 $18) 44... c5 45. bxc5 bxc5 (45... Bxc5 $16) 46.
Rd3 Ra4 47. Rb3 c4 {Apremio de tiempo de las negras.} 48. Rb7 Ke6 49. Rh8 Nd7
50. Rh7 Ra6 51. Bd2 Rxa3 $2 52. Rxe7+ $1 Kxe7 53. Bb4+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Ortigala, Gonzalo"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "81"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante cerrada.
} 1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Ne7
5. d3 d5 6. g3 Nbc6 7. Bg2 g6 8. O-O Bg7 9. Bd2 b5 10. Qe1 (10. a3 Bb7 11. Rb1
O-O 12. b4 Qb6 13. Kh1 d4 14. Ne2 {
1/2-1/2 Arencibia-Van Wely, Olimp. de Erevan 1996 (56).}) 10... O-O 11. g4 dxe4
12. dxe4 Nd4 13. Nxd4 cxd4 14. Nd1 Bb7 15. Nf2 Rc8 16. Rc1 Qd7 17. Nd3 Rfe8 18.
Qh4 f5 19. Bb4 $2 (19. Nf2 $15) 19... Bxe4 20. Bxe4 fxe4 21. Nc5 Rxc5 $5 (21...
Qc6 22. Nxe4 Qxe4 23. Bxe7 d3 $19) 22. Bxc5 Nd5 23. f5 (23. Rce1 $17) 23...
exf5 24. gxf5 gxf5 $19 25. Qg5 Ne3 26. Rf4 Re6 27. Kh1 Rg6 28. Qe7 Qxe7 29.
Bxe7 Be5 30. Rf2 Kf7 31. Bc5 Ke6 32. Rg1 Ng4 33. Re2 e3 34. Rge1 {
Apremio de tiempo de las blancas.} 34... Kd5 35. Bb4 f4 36. h3 f3 37. hxg4 fxe2
38. Rxe2 Rxg4 39. c3 Ke4 40. cxd4 Kf3 41. Rxe3+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Rucci, Miguel"]
[Black "Lujambio, Arturo"]
[Result "1-0"]
[ECO "E97"]
[PlyCount "85"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey. Sistema clasico. Variante Taimanov.
} 1. d4 Nf6 2. c4
g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 {
"El plan mas directo; las blancas simplemente proceden con su ataque en el ala
de dama sin preocuparse demasiado por el otro flanco." (Nunn)} 9... Nh5 10. Re1
f5 11. Ng5 Nf6 12. Bf3 fxe4 13. Ngxe4 Nxe4 (13... Nf5 14. Bg5 Nd4 15. Nb5 $1
Nxf3+ 16. Qxf3 Bf5 17. Qb3 $1 {(Kramnik-Guelfand, Viena 1996)} 17... Qd7 18.
Bxf6 Bxf6 $14 {Kramnik}) 14. Nxe4 Nf5 15. Bg5 Qe8 16. Bg4 h6 17. Bd2 Bd7 18. a4
Qf7 19. Bc3 Rad8 20. f3 Kh8 21. Qd3 Ne7 $6 22. Bxd7 Rxd7 23. Rad1 Qf4 24. Bd2
Qh4 25. Be3 Nf5 $2 (25... a6 $16) 26. Bxa7 b6 27. a5 $18 Rdf7 28. axb6 Nd4 29.
b7 Nxf3+ 30. gxf3 Rxf3 31. Qxf3 Rxf3 32. b8=Q+ Kh7 33. Qc8 Rf4 34. Bf2 Qh5 35.
Ra1 Qf3 36. Re3 Rg4+ 37. Ng3 Qf4 38. Rae1 Qxc4 39. Re4 Rxe4 40. Rxe4 Qxd5 41.
Qxc7 h5 42. Qc4 Qd1+ 43. Re1 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Quattordio, Juan José"]
[Black "Mangiaterra, Ricardo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "69"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Variante del avance.
} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5
Nc6 5. d4 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. O-O f6 {"Las negras se deciden a
cambiar el peligroso peon e5 aun a costa de permitir que sus propios peones se
debiliten." (Pachman)} (8... a5 9. Nbd2 f6 $13 {Kaidanov - Suetin, Dubai 1979})
9. b4 Be7 10. Re1 O-O-O $5 11. a4 (11. exf6 $16) 11... Qc7 (11... Nxe5) 12. Bf4
g5 13. Bg3 f5 14. h4 f4 15. Bh2 h6 (15... g4) 16. Na3 Rf8 17. Nb5 Qb8 18. Nbd4
g4 19. Nxc6 bxc6 20. Nd4 h5 21. Qd2 Bxh4 (21... f3 $1) 22. Bxf4 Be7 23. Rab1 h4
24. c4 g3 25. fxg3 hxg3 26. cxd5 Qb6 27. Be3 Bg5 $2 (27... cxd5 $16) 28. a5
Bxe3+ 29. Rxe3 Qc7 (29... Qxd4 $2 30. Ba6+ Kb8 31. Qxd4 $18) 30. d6 Qd8 31.
Rxg3 Kb8 32. Qg5 Qc8 33. Rc1 Nh6 34. Qe3 Qe8 35. Nb5 (35. Nb5 cxb5 36. Rc7 Qh5
37. Qxa7#) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Sanhueza, Cristián"]
[Black "Rossi, Miguel"]
[Result "1-0"]
[ECO "B80"]
[PlyCount "53"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Scheveningen. Ataque ingles.
} 1. e4 c5 2. Nf3 d6
3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 {"Esta continuacion, elaborada por Simaguin,
tiene el objetivo de explotar el leve retraso en  el desarrollo de las blancas
mediante la apertura del juego con un oportuno ...d5." (Korchnoi)} 6. Be3 Be7
7. Nc3 Nc6 8. Qd2 Nxd4 9. Bxd4 a6 10. O-O-O O-O 11. g4 Qa5 (11... b5 12. g5 Nd7
13. h4 Bb7 14. Kb1 Rc8 15. a3 Ne5 $13 {Agnos.}) 12. Kb1 b5 $2 13. Nd5 Qd8 14.
Bb6 Qd7 15. Nxe7+ Qxe7 16. Qxd6 $18 Qb7 17. Ba5 Qb8 18. Be2 Bb7 19. Qxb8 Raxb8
20. Rd6 Rfc8 21. Rhd1 h6 22. Rd8+ Kh7 23. Rxc8 Rxc8 24. Rd8 Kg6 25. e5 Nd5 26.
Bd3+ Kg5 27. Rd7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Grande, Miguel"]
[Black "Maidana, Cristián"]
[Result "1-0"]
[ECO "D24"]
[PlyCount "55"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito de dama aceptado.
} 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. Nc3 a6 5. a4 e6
6. Bg5 Bb4 7. e3 Qd5 (7... c5 8. Bxc4 cxd4 9. exd4 Nc6 10. O-O O-O 11. Rc1 Be7
12. Re1 h6 13. Bf4 Bd7 14. Ne5 Rc8 15. Nxd7 Qxd7 16. d5 $14 {
Kasparov-Nogueiras, Belfort 1988.}) 8. Bxf6 gxf6 9. Nd2 Bxc3 10. bxc3 b6 11. e4
(11. Be2 Ra7 (11... Qxg2 $2 12. Bf3 $18) 12. Bf3 Qa5 13. Qc2 $16) 11... Qg5 12.
Nxc4 Bb7 13. Qd3 Nd7 14. Nd2 Rd8 15. Qg3 c5 16. Qc7 cxd4 17. cxd4 (17. Qxb7
dxc3 18. Nf3 $16) 17... Ba8 18. Nc4 (18. a5 $16) 18... O-O 19. h4 Qg6 20. f3
Qh6 (20... f5 $132) 21. Kf2 b5 $2 22. axb5 axb5 23. Ne3 Bxe4 (23... f5 $8) 24.
fxe4 e5 25. Bxb5 Qf4+ 26. Ke2 Rc8 27. Qxd7 Kh8 28. Qf5 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Rodríguez, Laureano"]
[Black "Salazar, Ezequiel"]
[Result "1-0"]
[ECO "B79"]
[PlyCount "49"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante del dragon. Ataque yugoslavo.
} 1. e4 c5 2. Nf3
d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7
10. O-O-O Ne5 11. Bb3 Qa5 12. h4 Rfc8 13. g4 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 $2 (
15... Qa6 16. e5 Nxg4 $1 17. fxg4 Bxg4 $13 {
Beliavsky - Velimirovic, Szirak (izt) 1987 - 44/266}) 16. e5 $1 Nxg4 (16... Ne8
17. Nd5 Qd8 18. Bg5 $18 {Sapi-Schneider: "The Sicilian Dragon. Yugoslav 9 Bc4".
}) 17. Nd5 Qd8 18. fxg4 Bxg4 19. Rdf1 Bxe5 20. Bd4 Bg7 21. Bxg7 Kxg7 22. h5
Rac8 23. Ne3 Ra4 24. hxg6 hxg6 25. Nxg4 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Barrios, Sergio"]
[Black "Quercia, Abel"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "86"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Petroff. Variante de los tres caballos.
} 1. e4 e5 2. Nf3 Nf6 3. Nc3
Bb4 {"En esta variante, una "Ruy Lopez" de las negras, frecuentemente adoptada
por Pillbury, las blancas pueden obtener de manera simple la ventaja de la
pareja de alfiles." (Alekhine)} 4. Nd5 $5 Nxd5 5. exd5 O-O (5... e4 6. Nd4 Qg5
7. Nb5 Qe5 8. Nc3 Bc5 $5 {Yusupov}) 6. Bb5 $2 (6. c3) 6... a6 7. Ba4 e4 8. Nd4
Qg5 9. O-O Qxd5 10. c3 Bc5 11. Bb3 Qe5 12. Nc2 d5 13. Qe2 Bd6 14. f4 Qe6 15.
Kh1 c6 16. c4 Bc5 17. f5 Qe5 $2 (17... Qf6 $17) 18. f6 $2 (18. d4 Bxd4 19. Bf4
Qf6 20. Nxd4 Qxd4 21. f6 $14) 18... g6 $4 (18... Bd6 $17) 19. d4 Bxd4 20. Bf4
Qxf6 21. Bxb8 Qg7 22. Bd6 Be6 23. Bxf8 Rxf8 24. Nxd4 Qxd4 25. Rad1 $18 Qe5 26.
cxd5 cxd5 27. Rd2 h5 28. h3 Rd8 29. Rfd1 f5 30. Rd4 f4 31. Rxe4 dxe4 32. Bxe6+
Qxe6 33. Rxd8+ Kh7 34. b3 f3 35. Qb2 Kh6 36. h4 g5 37. Qh8+ Kg6 38. Rg8+ {
Apremio de tiempo de las negras.} 38... Kf5 39. Rxg5+ Kf4 40. Qf8+ Ke3 41. Qc5+
Ke2 42. Qc2+ Ke1 43. Kg1 Qb6+ {Apremio de tiempo de las blancas.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.18"]
[Round "1"]
[White "Martínez Dorr, Fernando"]
[Black "Sánchez, Christian"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "76"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5
exd5 5. d4 Nc6 6. Be2 Bd6 7. dxc5 Bxc5 8. Nbd2 Nge7 9. O-O O-O 10. Nb3 Bb6 11.
Nbd4 (11. Nfd4 Ng6 12. Be3 Re8 13. Qc2 Nce5 14. Rad1 Bd7 $13 {
Padevski-Karpov, olimp. de Skopje 1972.}) 11... Bg4 12. Bg5 Bxf3 13. Nxc6 bxc6
14. Bxf3 Qd6 15. Qa4 f6 (15... Ng6 $11) 16. Bf4 Qd7 17. Rad1 Rad8 18. Rfe1 Ng6
19. Bg3 Ne5 $5 (19... f5) 20. Be2 (20. Bxe5 fxe5 21. Rxe5 Qd6 22. Rde1 Bc7 $44)
20... Qf5 21. Qf4 Qxf4 22. Bxf4 Rfe8 23. Kf1 Kf7 24. g3 g6 25. Bc1 Kg7 26. f4
Nf7 27. Bf3 Nd6 28. b3 Ne4 29. Bb2 Kf7 30. c4 Ba5 31. Re2 f5 32. cxd5 cxd5 33.
Rc2 Ke6 34. Be5 Rc8 35. Rdc1 Kd7 36. Ke2 Rxc2+ 37. Rxc2 Rc8 38. Rxc8 Kxc8 $14 {
Apremio de tiempo.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Rodríguez, Laureano"]
[Black "Di Benedetto, Guillermo"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "118"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Sveshnikov.
} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11.
c3 Bb7 12. Nc2 Ne7 13. Nxf6+ gxf6 14. Bd3 d5 15. Qe2 (15. exd5 Qxd5 16. Ne3 Qe6
17. Qc2 e4 18. Be2 f5 19. g3 Ng6 20. a4 f4 21. gxf4 Nxf4 22. Rg1 $14 {
Moeller-Wolf, corr. 1988.}) 15... f5 16. f3 $15 dxe4 17. fxe4 f4 18. O-O-O Qb6
19. Qh5 Ng6 20. g3 O-O-O 21. gxf4 Rxd3 22. Qf5+ Qe6 23. Rxd3 Qxf5 24. exf5 Bxh1
(24... Nxf4 25. Rhd1 Nxd3+ 26. Rxd3 h5 $15) 25. fxg6 hxg6 26. fxe5 Rxh2 27. Nd4
Be4 28. Re3 Bd5 29. a3 Kd7 30. Re1 Ke7 31. Rd1 Rf2 32. Rd2 Rf1+ 33. Rd1 Rf2 34.
Rd2 Rf4 35. Kd1 g5 36. Ke1 Bc4 37. Rg2 g4 38. b3 Bd5 39. Rf2 Bf3 $2 (39... Rxf2
40. Kxf2 f6 41. exf6+ Kxf6 42. Kg3 $11) (39... Re4+ 40. Re2 g3 $15) 40. Kd2 Kf8
41. Nxf3 g3 42. Rf1 g2 43. Rg1 Rxf3 44. Rxg2 Rf5 45. Re2 Ke7 46. Kd3 Ke6 47.
Kd4 Rf3 48. Re1 Rh3 49. Rf1 Rh4+ 50. Kc5 Rh3 51. Rf6+ $2 (51. Kb4 Kxe5 52. Rxf7
$18) 51... Kxe5 52. Rxf7 Rxc3+ 53. Kb4 Rc6 54. Ra7 Kd5 55. Ka5 Rc3 56. Kb4 Rc6
57. Ka5 Rc3 58. Kb4 Rc6 59. Ka5 Rc3 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Pérez Cascella, Julio"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "42"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ataque indio de rey.
} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 d5 5. O-O O-O 6.
Nbd2 c5 7. e4 {"Este esquema, empleado a menudo por maestros sovieticos
modernos, exige una cierta precaucion por parte de las negras. Aquellos planes
que son buenos para las blancas en la india de rey normal pueden resultar muy
peligrosos cuando los juegan las negras, con un tiempo de menos." (Bronstein)}
7... Nc6 8. Re1 e5 9. c3 b6 (9... h6 10. exd5 Nxd5 11. Nc4 Re8 12. a4 Bf5 13.
a5 Qd7 14. Nh4 Be6 $11 {J. Hansen-Law, Ribe 1979.}) 10. exd5 Nxd5 11. Nc4 f6
12. d4 cxd4 13. cxd4 e4 (13... b5 $5) 14. Rxe4 Bf5 15. Re1 Ncb4 16. Ne3 Nxe3
17. Bxe3 Nc2 18. Nh4 Nxe1 19. Qb3+ Kh8 20. Rxe1 Bd7 21. d5 $6 (21. Bxa8 Qxa8
22. d5 $14) 21... Re8 $15 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Quattordio, Juan José"]
[Black "Rucci, Miguel"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "89"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Sistema clasico.
} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 d4 5.
Bb5+ (5. Bd3 Nc6 6. O-O Nge7 7. Re1 Ng6 8. g3 Be7 9. h4 f6 10. exf6 Bxf6 11.
Be4 O-O 12. d3 Bd7 13. Ng5 $14 {Torre-Illescas, olimp. de Novi Sad 1990.}) 5...
Bd7 6. Bxd7+ Qxd7 $11 7. d3 Ne7 8. O-O Ng6 9. Re1 Be7 10. c4 Nc6 11. Nbd2 Qc7
12. Nf1 Ncxe5 $2 (12... O-O $15) 13. Nxe5 Nxe5 14. Bf4 Bd6 15. Bxe5 Bxe5 16.
Qh5 Bf6 (16... g5 $5 17. f4 Bxf4 18. Rxe6+ Kf8 $15) 17. Rxe6+ Kf8 18. Re4 g6
19. Qf3 Kg7 20. Rae1 Qd7 21. Qe2 Rhc8 22. h4 h5 23. Ng3 Kf8 24. Qf3 Kg7 {#} 25.
Nxh5+ $1 gxh5 26. Qxh5 Rh8 (26... Kf8 27. Rg4 Bg7 28. Rxg7 Kxg7 29. Qg5+ Kf8
30. Qf6 Qg4 31. Re5 Re8 32. Qd6+ Kg8 33. Rg5+ Qxg5 34. hxg5 $18) 27. Rg4+ Kf8
28. Qxc5+ Be7 29. Qe5 f6 30. Qe4 (30. Rxd4 $16) 30... Rh6 31. Qf3 Bd6 32. g3
Bc5 33. Qf4 Kf7 $4 (33... Qh7 $14) 34. Qxh6 Qxg4 35. Qh7+ Kf8 36. Qh8+ Qg8 37.
Qxf6+ Qf7 38. Qh8+ Qg8 39. Qe5 Rc8 40. Re4 Qg6 41. Rf4+ Kg8 42. Rf6 Qg4 43. f3
Qg7 44. Qe6+ Kh7 45. Rf7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Grande, Miguel"]
[Black "Sanhueza, Cristián"]
[Result "1/2-1/2"]
[ECO "E66"]
[PlyCount "122"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey. Variante del fianchetto.
} 1. d4 Nf6 2. Nf3 g6 3. g3
Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 {"Las negras atacan en
el flanco de dama, tomando como objetivo el punto c4; a veces este ataque es
acompanado por la destruccion de los soportes centrales de las blancas por
medio de ...e6." (Simaguin)} 9. Nd2 c5 10. Qc2 Bd7 (10... Rb8) 11. a4 (11. b3
b5 12. Bb2 Qc8 13. Rab1 Bh3 {(Keene-Kagan, olimp. de Lugano 1968)} 14. Nd1 $1
$14 {Wade}) 11... Qc7 12. b3 b5 13. axb5 axb5 14. cxb5 Rfb8 15. Bb2 Bxb5 16.
Nxb5 Rxb5 17. Ra3 Rab8 18. Bc3 c4 19. Bxa5 Rxa5 20. Rxa5 Qxa5 21. bxc4 Nd7 22.
Rb1 (22. Nf3 $14) 22... Rxb1+ 23. Nxb1 Qe1+ 24. Bf1 Ne5 25. e3 Nf3+ 26. Kg2
Qxe3 $1 27. Qe2 (27. Qxg6 Ne1+ 28. Kg1 Nf3+ 29. Kg2 $11) 27... Qxe2 28. Bxe2
Nd4 29. Bd3 Kf8 30. Nd2 Ke8 31. Nf3 Nb3 32. Bc2 Nc5 33. Nd2 f5 34. f4 Kd7 35.
Kf3 e6 36. dxe6+ Kxe6 37. Ke3 d5 38. Nb3 Ne4 39. cxd5+ Kxd5 40. Bxe4+ fxe4 41.
g4 Bf6 42. h3 Bd8 {Apremio de tiempo de las negras.} 43. Nd2 Bb6+ 44. Ke2 Kd4 {
Apremio de tiempo de las blancas.} 45. Nf1 Bc7 46. f5 Ke5 47. fxg6 hxg6 48. h4
Kf4 49. h5 g5 50. Ne3 Be5 51. h6 Bd4 52. h7 Bh8 53. Ng2+ Kxg4 54. Ke3 Kf5 55.
Ne1 Ke5 56. Nc2 Kd5 57. Ne1 Bd4+ 58. Ke2 e3 59. Ng2 Ke4 60. h8=Q Bxh8 61. Nxe3
Bd4 $11 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Mangiaterra, Ricardo"]
[Black "Barrios, Sergio"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "120"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Kalashnikov.
} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.
Nxd4 Qb6 {"Para desviarse de los caminos mas trillados; la dama ocupa una
casilla artificial, pero obliga al caballo a retroceder, lo que no siempre es
agradable para las blancas." (Slipak)} 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. Be2 (
8. Bf4 $1 O-O 9. e5 Ne8 10. Bd3 a6 11. O-O Qc7 12. Re1 g6 13. Qd2 d6 14. exd6
Bxd6 15. Bxd6 Qxd6 16. Rad1 Qc7 17. Ne4 $16 {
Ljubojevic-Panno, Vina del Mar 1988.}) 8... a6 9. O-O Qc7 10. f4 d6 11. Bf3 b5
12. Qe1 Bb7 13. Be3 O-O 14. Qf2 Rac8 (14... Nd7 $14) 15. Rad1 Qb8 16. g4 b4 17.
axb4 Nxb4 18. g5 Nd7 19. Rd4 Nc6 20. Ra4 Nd8 21. Rd1 Qa8 22. Na5 Nc5 23. Rb4
Nc6 24. Bxc5 Nxa5 25. Bxd6 Bxd6 26. Rxd6 Rc6 27. Rd3 Rc4 28. Rxc4 Nxc4 29. b3
Na5 (29... Na3 $16) 30. Qb6 Nc6 31. Rd7 Bc8 32. Rc7 Nd8 33. Kf2 Bb7 34. Ke3 (
34. b4 $18) 34... f5 (34... e5 $5) 35. gxf6 Rxf6 36. e5 Rf7 37. Rxf7 Kxf7 38.
Qc7+ {Apremio de tiempo de las blancas.} 38... Kg6 39. Bxb7 Nxb7 40. Qe7 Qc8
41. Ne4 h6 42. Kf3 Qc6 43. h4 Qd5 44. Ke3 Qc6 45. c4 Qb6+ 46. Ke2 Qc6 47. h5+
Kf5 48. Ng3+ $2 (48. Nf2 $18) 48... Kxf4 {Apremio de tiempo de las negras.} 49.
Qh4+ Kxe5 50. Qg4 Qg2+ 51. Ke3 Qg1+ 52. Kd3 Qb1+ 53. Kc3 Qa1+ 54. Kc2 Qa2+ 55.
Kc3 Qa1+ 56. Kb4 Qe1+ 57. Ka3 Qc1+ 58. Kb4 Qd2+ 59. Ka3 Qc1+ 60. Kb4 Qd2+
1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Maidana, Cristián"]
[Black "Lujambio, Arturo"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "111"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Reti.
} 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. c4 d5
7. c5 (7. Na3 Bg4 8. O-O Nbd7 9. Rc1 a5 10. b5 a4 11. d3 e5 $11 {
Smyslov-Spasski, camp. de URSS 1961.}) 7... Bg4 8. O-O Qc8 9. Re1 h6 10. d3
Bxf3 11. Bxf3 Nbd7 12. Nd2 Re8 13. Qc2 Qc7 14. Rec1 Rad8 15. a4 Nf8 16. b5 e5
17. e3 Ne6 18. b6 axb6 (18... Qb8 19. bxa7 Qc7 $11) 19. cxb6 Qxb6 20. Bxe5 Ng5
21. Rab1 Nxf3+ (21... Qa6 $14) 22. Nxf3 Qa6 23. Qb2 Nh5 24. Bxg7 Nxg7 25. Qxb7
Qxd3 26. Qxc6 Nf5 27. Rb7 Nd6 28. Rd7 $2 (28. Rc7 $16) 28... Rc8 29. Rc7 Rxc7
30. Qxc7 Rc8 31. Qxc8+ Nxc8 32. Rxc8+ Kg7 33. Rd8 (33. Ra8 $2 d4 $17) 33...
Qd1+ 34. Kg2 Qxa4 35. Rxd5 $11 Qc6 36. Rd4 g5 37. g4 f6 38. e4 Qc7 39. h3 Kg6
40. Rd5 h5 41. e5 hxg4 42. hxg4 Qc4 43. Rd4 Qe6 44. Kg3 fxe5 45. Re4 Kf6 $6 (
45... Qf6 $11) 46. Rxe5 Qxe5+ $4 47. Nxe5 Kxe5 {#} 48. f3 $4 (48. Kf3 $18)
48... Ke6 49. Kf2 Kf6 50. Ke2 Ke5 $4 {Apremio de tiempo de las negras.} (50...
Ke6 $11) 51. Ke3 Kd5 52. f4 gxf4+ 53. Kxf4 Ke6 54. Kg5 Kf7 55. Kh6 Kg8 56. Kg6
1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Quercia, Abel"]
[Black "Rossi, Miguel"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "53"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
5. Qxd4 e6 6. Nf3 Nc6 7. Qe4 d6 8. Nbd2 Qc7 (8... dxe5 9. Nxe5 Nxe5 10. Qxe5
Qc7 11. Bb5+ Bd7 12. Bxd7+ Qxd7 $11 13. O-O Qc7 14. Qe2 Bd6 15. Nf3 Rc8 16. g3
O-O 17. Nd4 Qc5 $5 {(Rogers-Yudasin, olimp. de Moscu 1994)} 18. Rd1 $11 {
Yudasin.}) 9. Nc4 dxe5 10. Ncxe5 Bd6 11. Nc4 Bf4 12. Bxf4 Nxf4 13. Nce5 Nd5 14.
Nxc6 bxc6 15. Bd3 Rb8 16. Rb1 Nf6 17. Qe5 Qb6 18. O-O O-O 19. h4 $6 Ba6 20. c4
Rfd8 21. Qc3 c5 22. b3 Bb7 23. Bc2 Qc7 (23... Bxf3 24. Qxf3 Rd2 $17) 24. Rbd1
Qf4 25. Rxd8+ Rxd8 26. Rd1 Re8 27. Qe5 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "González, Víctor"]
[Black "Salazar, Ezequiel"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "69"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante hungara.
} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4
Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. O-O-O Be7 10. Rhe1 O-O 11.
Bxf6 (11. Kb1 Qc7 12. Qd2 Rfc8 13. Nd4 b5 14. Nxc6 Qxc6 15. Bxf6 Bxf6 16. Qxd6
Qxd6 17. Rxd6 Bxc3 $11 {Lukov}) 11... Bxf6 12. Qxd6 Qxd6 13. Rxd6 Bxc3 14. bxc3
Rad8 15. Rd4 Rxd4 $2 (15... f6 $14) 16. cxd4 $18 f6 17. c3 Rc8 18. Kd2 Bb5 19.
Rb1 Ba6 20. Ne1 b6 21. Nc2 Bb7 22. f3 Kf7 23. Ne3 Ke7 24. a4 Kd7 25. a5 Rc6 26.
d5 exd5 27. exd5 Rc5 28. axb6 axb6 29. c4 Kc7 30. Kd3 g6 31. Kd4 Ra5 32. d6+
Kxd6 33. Rxb6+ Bc6 34. Nd5 Ra2 35. Rxc6+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.21"]
[Round "2"]
[White "Sánchez, Christian"]
[Black "Ortigala, Gonzalo"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "83"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante O'Kelly.
} 1. e4 c5 2. Nc3 a6 3. Nf3 Nc6 4. d4
cxd4 5. Nxd4 e5 (5... e6 6. Be2 Qc7 7. O-O Nf6 8. Be3 d6 $11) 6. Nxc6 bxc6 7.
Bc4 Nf6 8. Bg5 Bb4 9. Qd3 Qa5 $2 10. O-O Bxc3 11. bxc3 d5 (11... Qd8) 12. Bxf6
dxc4 (12... gxf6 13. exd5 cxd5 14. Bxd5 $18) 13. Qd6 gxf6 14. Qxc6+ Kf8 15.
Qxa8 Kg7 16. Qa7 Qxc3 17. f4 Rd8 18. fxe5 Qxe5 19. Qf2 Rd4 20. Rae1 Bb7 21. c3
Rd3 22. Re3 (22. Qh4 $18) 22... Rxc3 23. Rxc3 Qxc3 24. Qg3+ $5 Qxg3 25. hxg3
Bxe4 26. Rc1 Bd3 27. Kf2 Kg6 28. Ke3 Kg5 29. Rc3 Kg4 30. Ra3 Kxg3 31. Rxa6 f5
32. Rf6 Kxg2 33. Rxf7 Kf1 34. a4 h5 35. a5 Be4 36. a6 Ke1 {
Apremio de tiempo de las negras.} 37. a7 c3 38. Rxf5 c2 39. Rc5 Bb7 40. Rxc2
Kf1 41. Rh2 Kg1 42. Rxh5 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Di Benedetto, Guillermo"]
[Black "Quattordio, Juan José"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ausencia.}  1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Barrios, Sergio"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "56"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa moderna.
} 1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. c4 d6 5. Nc3 Nd7 6. g3 e5
7. d5 $6 (7. Bg2) 7... Qc7 8. Bg2 Ngf6 9. b4 $6 O-O 10. O-O a5 11. b5 Nc5 12.
Re1 cxd5 13. Nxd5 Nxd5 14. cxd5 Bd7 15. Rb1 b6 16. Re2 f5 $17 17. Ne1 fxe4 18.
Rc2 Qd8 19. Be3 Bf5 20. g4 Bd7 21. Bxc5 bxc5 22. Bxe4 Rf4 23. Bf3 e4 24. Be2
Bd4 25. Nf3 exf3 26. Bxf3 Qg5 27. h3 h5 28. Kf1 hxg4 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Sanhueza, Cristián"]
[Black "Rodríguez, Laureano"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "60"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey. Variante del fianchetto.
} 1. Nf3 Nf6 2. d4 g6 3. g3
Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 c5 8. e4 (8. b3 Rb8 9. Bb2 a6 10.
Rc1 b5 11. dxc5 Nxc5 12. cxb5 axb5 13. Nd4 Bd7 14. b4 Na6 15. a3 Qb6 16. Qd2
Nc7 17. Rfd1 Rfc8 {(Pomar-Rodriguez, Las Palmas 1975)} 18. Nb3 $14 {Ribli})
8... Rb8 9. e5 Ne8 10. exd6 Nxd6 11. dxc5 Nxc5 12. Be3 Ne6 (12... b6) 13. Qe2
b6 14. Rac1 Ba6 15. b3 Qd7 16. Rfd1 Rfd8 17. Nd5 h6 18. Nd4 Rbc8 19. h4 Re8 20.
Kh2 Nxd4 21. Bxd4 e5 22. Be3 Qe6 23. Qd2 Nf5 24. Nb4 Nxe3 $2 (24... b5 $16) 25.
Qxe3 b5 26. Qxa7 Bf8 27. Bd5 Qf6 28. Qxa6 Qxf2+ 29. Kh3 Bxb4 30. Rf1 Qd2 (30...
Qd2 31. Qxg6+ Kh8 32. Rxf7 $18) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Martínez Dorr, Fernando"]
[Black "Grande, Miguel"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "51"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura italiana. Defensa hungara.
} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4
d6 5. Nxd4 Be7 6. O-O Nf6 7. Nc3 O-O 8. h3 {
"Una solida jugada de espera." (Tartakower)} 8... Ne5 (8... Nxd4 9. Qxd4 c6 10.
a4 Nd7 11. Be3 b6 $14 12. Rad1 Qc7 13. f4 $14 {
Spasski-Hort, Reikiavik (m/1) 1977.}) 9. Be2 (9. Bb3) 9... Re8 10. Be3 Bd7 11.
f4 Ng6 12. Bc4 c5 13. Nf3 Bf8 14. Qd3 Bc6 15. Ng5 Nh8 16. Nd5 h6 17. e5 $5 hxg5
18. exf6 Bxd5 $2 (18... b5 $8 19. Bxb5 Bxd5 20. Bxe8 Qxe8 21. Qxd5 Qxe3+ $11)
19. Bxd5 Qxf6 20. fxg5 Qe5 21. Rae1 Qg3 22. g6 Re7 23. gxf7+ Nxf7 24. Qf5 g6
25. Bxf7+ Kh7 26. Qg5 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Rucci, Miguel"]
[Black "González, Víctor"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "61"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura de peon de dama.
} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 f6 (4... Qd7
5. h3 Bh5 6. c3 f6 7. b4 e6 8. Nbd2 Nge7 9. O-O Nc8 10. e4 Be7 $11 11. Ne5 Bxd1
12. Nxd7 Ba4 13. exd5 Kxd7 14. dxc6+ Bxc6 15. Bxc6+ Kxc6 16. a4 Kd7 $11 {
Kengis-Short, olimp. de Erevan 1996.}) 5. O-O (5. h3 $14) 5... Qd7 6. Nc3 O-O-O
7. Re1 Bh3 8. Bh1 g5 9. e4 dxe4 10. Nxe4 h5 $2 (10... e5 $15) 11. c3 (11. Nc5)
11... h4 (11... e5) 12. Nc5 Qe8 13. Qb3 Na5 14. Qa3 Qb5 15. b4 Nc6 16. Qb3 (16.
d5 $1) 16... e5 (16... hxg3) 17. a4 Qb6 18. Qc4 Bxc5 19. dxc5 Qa6 20. b5 Na5
21. Qxg8 Rhxg8 22. bxa6 $18 Nb3 23. axb7+ Kb8 24. Rb1 Nxc5 25. a5 Rd3 26. Be3
Rxc3 27. Bxc5 Rxc5 28. a6 Rd8 29. Red1 Rcd5 30. Rxd5 Rxd5 31. Nxg5 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Sánchez, Christian"]
[Black "Maidana, Cristián"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "66"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Variante del cambio.
} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5
exd5 5. Bd3 Nc6 6. Nf3 (6. a3 Bxc3+ 7. bxc3 Qf6 8. Rb1 b6 9. Qh5 Nge7 10. Bg5
Qe6+ 11. Ne2 Qg4 12. Qxg4 Bxg4 $11 13. Ng3 Kd7 14. f3 Be6 15. Kf2 f6 16. Bd2
Bf7 17. Rbe1 Rae8 $11 {Lau-Schafer, Colonia 1992.}) 6... Bg4 7. Be3 Qf6 8. O-O
Nge7 9. a3 Ba5 10. Be2 h6 11. Ne5 $5 Bxe2 12. Qxe2 Bxc3 (12... Nxe5 13. dxe5
Qxe5 $2 14. Qb5+ $18) 13. bxc3 Nxe5 14. dxe5 Qc6 (14... Qxe5 $2 15. Qb5+ c6 16.
Qxb7 $14) 15. Qg4 g6 16. Bd4 (16. Qb4 $1) 16... Qe6 17. Qe2 b6 18. f4 (18. Rfe1
) 18... h5 19. a4 a5 20. Rf3 $5 Kf8 21. c4 dxc4 22. Rc3 Nd5 23. Rxc4 Nxf4 (
23... h4) 24. Bc5+ $1 bxc5 25. Rxf4 f5 26. Rc4 Rh7 27. Re1 Rd8 28. Rxc5 Rhd7
29. Qe3 Rd1 30. Rxd1 Rxd1+ 31. Kf2 Qb6 32. e6 Ke8 33. Rb5 $4 (33. Qe5 $16)
33... Rf1+ (33... Rf1+ 34. Kxf1 Qxe3 $19) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Rossi, Miguel"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "43"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura inglesa. Variante simetrica.
} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4.
Nxd4 Nc6 5. Nc3 Qa5 6. Nxc6 (6. g3 Ne4 7. Ndb5 a6 8. Nc7+ Qxc7 9. Nxe4 {
1/2 : 1/2 Nogueiras-Miles, La Habana 1999.}) 6... dxc6 7. Bd2 e5 8. Nd5 Qd8 9.
Nxf6+ Qxf6 10. Bc3 Bc5 11. e3 a5 12. Be2 O-O 13. O-O Qe7 14. Qc2 f6 15. Rad1
Be6 16. Rd2 Qf7 17. Rfd1 Rfe8 (17... Bxc4 $2 18. Rd7) 18. b3 Qe7 19. Bd3 g6 20.
Qb2 Ba3 21. Qb1 Bb4 22. Qb2 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Lujambio, Arturo"]
[Black "Quercia, Abel"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "107"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa eslava. Variante del cambio.
} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5
cxd5 5. Nc3 Nc6 6. e3 $6 (6. Bf4) 6... e6 7. Bd3 Be7 8. Ne5 O-O 9. f4 Ne8 10.
O-O f5 11. Bd2 Nb4 12. Be2 Nf6 13. a3 Nc6 14. Rc1 Bd7 15. Kh1 Rc8 16. g4 $6
Nxe5 17. fxe5 Ne4 (17... Nxg4 18. Bxg4 fxg4 19. Qxg4 Rf5 $15) 18. gxf5 Nxc3 19.
Bxc3 exf5 20. Qb3 Bc6 21. Bb4 Qb6 22. Bf3 Qb5 23. Qa2 Bxb4 24. axb4 a6 25. Qa5
Qd3 26. Qa3 Qb5 27. Rf2 Bd7 28. Rc5 Rxc5 29. bxc5 Be6 30. b4 Qc4 31. Be2 Qc2
32. Qd3 Qb2 33. b5 axb5 34. Qxb5 Qc1+ 35. Rf1 Qxe3 36. Qd3 Qe4+ 37. Qxe4 $2 (
37. Kg1 $15) 37... dxe4 $19 38. Rb1 Bd5 39. Kg2 f4 40. Bg4 g6 41. Rb6 Rd8 42.
e6 Kf8 43. Rd6 Ke7 44. Rb6 Bc6 45. Rb4 h5 46. Bd1 Kxe6 47. h4 Kf5 48. Bb3 Kg4
49. d5 Bxd5 50. Bxd5 Rxd5 51. Rxe4 Rxc5 52. Rb4 b5 53. Rd4 Kf5 54. Rd6 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.23"]
[Round "3"]
[White "Salazar, Ezequiel"]
[Black "Ortigala, Gonzalo"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "91"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante O'Kelly.
} 1. e4 c5 2. Nf3 a6 3. Nc3 Nc6 4. d4
cxd4 5. Nxd4 e5 (5... e6 6. Be2 Qc7 7. O-O Nf6 8. Be3 d6 $11) 6. Nb3 Nf6 7. Be3
(7. a3 $14) 7... Bb4 8. Be2 Nxe4 9. Qd3 d5 10. O-O Nxc3 11. bxc3 Be7 12. Rad1
Be6 13. Nc5 Bxc5 14. Bxc5 b6 15. Ba3 Qc7 16. Qg3 f5 17. c4 f4 $2 (17... d4 $15)
18. Qg5 Rd8 19. cxd5 Bxd5 20. c4 (20. Bh5+ g6 21. Qf6 Rg8 22. Rxd5 Rxd5 23.
Qe6+ Ne7 24. Bxe7 $18) 20... Be4 21. Rxd8+ Nxd8 22. Bg4 Nc6 23. Re1 Bg6 24.
Qxf4 Qf7 25. Qd2 Bh5 26. Bxh5 Qxh5 {Apremio de tiempo de las negras.} 27. Qd6
Kf7 28. Qxc6 (28. Qd7+ Kf6 29. Qxc6+ Kf7 30. Qd7+ Kf6 31. Qe7+ Kf5 32. Rxe5+
Kf4 33. Bc1+ Kg4 34. f3#) 28... Re8 29. Qd7+ Kg8 30. f4 e4 31. Qd5+ Qxd5 32.
cxd5 Kf7 33. d6 Kf6 34. Bb2+ Kf5 35. Be5 g5 36. g3 gxf4 37. gxf4 Rd8 38. Rc1 e3
39. Kf1 Ke4 40. Ke2 Rg8 41. Rc4+ Kd5 42. Rd4+ Kc6 43. Kxe3 Kd7 44. Rc4 Rg2 45.
Rc7+ Ke8 46. d7+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Martínez Dorr, Fernando"]
[Black "Di Benedetto, Guillermo"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "16"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 4. d4
cxd4 5. Nxd4 (5. b4 Qc7 6. b5 Ne5 7. Nxe5 Qxe5 8. Qxd4 $14 {
Makropoulos-Ljubojevic, Atenas 1981.}) 5... Nxd4 6. Qxd4 e5 7. Qd3 Nf6 8. Nd2
Qc7 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Pérez Cascella, Julio"]
[Black "Sanhueza, Cristián"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "35"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura inglesa. Variante Botvinnik.
} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2
O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. f4 a6 9. h3 Rb8 10. d3 {"Los peones en
c4 y e4 dan a las blancas mucho espacio, pero deja un agujero en d4; hacia
alli puede dirigirse el caballo de f6: e8-c7-e6-d4." (Silman)} 10... Bd7 (10...
Ne8 11. Be3 b5 12. Rb1 Nd4 13. cxb5 axb5 14. b4 Nxe2+ 15. Nxe2 cxb4 16. Rxb4
Qa5 17. Qd2 Nc7 18. a4 Bd7 19. axb5 Bxb5 20. Rfb1 $11 {
Braga-Matsuura, San Pablo 1991.}) 11. g4 {"Esta posicion se parece a la
variante cerrada de la siciliana, con la insignificante diferencia de que el
peon c blanco se ha movido a c4. Los peones blancos se hallan ventajosamente
dispuestos y amenazan atacar al rey contrario." (Bronstein)} 11... b5 12. Ng3
Ne8 13. cxb5 axb5 14. g5 Nc7 15. f5 Ne5 16. Nce2 b4 17. Nf4 Bc6 18. Be3 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Maidana, Cristián"]
[Black "Quattordio, Juan José"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "60"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Reti.
} 1. Nf3 Nf6 2. g3 g6 3. b4 {"Se sabe que esta apertura, que
se encuentra ya en la famosa partida Reti-Capablanca, Nueva York 1924, no
ofrece ninguna ventaja especial a las blancas." (Botvinnik)} 3... Bg7 4. Bb2
O-O 5. Bg2 d6 6. O-O e5 7. c4 Re8 8. d3 a5 (8... e4 9. dxe4 Nxe4 10. Bxg7 Kxg7
11. Qd4+ Qf6 12. Qxf6+ Kxf6 13. Nd4 c6 14. f3 Ng5 15. Nc3 $14 {
Smyslov - Boleslavsky, USSR 1962}) 9. b5 Nbd7 10. Nc3 Nc5 11. d4 exd4 12. Nxd4
a4 13. a3 Nfe4 14. Nxe4 Nxe4 15. Qc2 Qe7 16. Rfe1 $2 (16. e3 $11) {#} 16...
Nxf2 $1 17. Kxf2 Qe3+ 18. Kf1 Bxd4 19. Bxd4 Qxd4 20. Rad1 Qc5 21. Qc3 Re5 22.
Rd4 $2 (22. e3 $17) 22... Bd7 $19 23. Bxb7 Rb8 24. Bf3 Rxb5 25. Rh4 Rb3 26. Qd2
Rbe3 27. Rb1 g5 28. Rb8+ Kg7 29. Rh5 g4 30. Rxe5 Rxe5 (30... Rxe5 31. Bg2 Rf5+
32. Ke1 Qg1+ 33. Bf1 Qxf1#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Quercia, Abel"]
[Black "Rucci, Miguel"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "113"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
5. Qxd4 e6 6. Qg4 (6. Nf3 Nc6 7. Qe4 $11) 6... Nc6 7. Nf3 Qc7 8. Qg3 d6 9. exd6
Qxd6 10. Nbd2 Bd7 11. Nc4 Qxg3 12. hxg3 Bc5 13. Ng5 Nf6 (13... b5 $11) 14. Bf4
O-O 15. Bd3 e5 16. Be3 Bxe3 17. Nxe3 h6 18. Ne4 Nxe4 19. Bxe4 Be6 20. b3 (20.
Rh5 $14) 20... f5 21. Bd5 Kf7 22. Rd1 Rad8 23. Ke2 Bxd5 24. Nxd5 Nd4+ 25. cxd4
Rxd5 26. dxe5 Rxe5+ 27. Kf3 Rc8 28. Rd3 Rc2 29. a4 Ree2 30. Rf1 g5 (30... h5
$17) 31. g4 fxg4+ 32. Kxg4 Re4+ (32... Rxf2 33. Rd7+ Ke6 34. Rxf2 Rxf2 35. Rxb7
Rxg2+ 36. Kf3 Rb2 37. Kg4 a5 38. Rb6+ Kd5 39. Rxh6 Rxb3 40. Kxg5 $11) 33. Kg3
Kg6 34. Rfd1 h5 35. Rd6+ Kf5 36. R1d5+ Re5 37. f3 h4+ 38. Kh3 Rc1 39. g4+ hxg3
40. Kxg3 Rc3 41. Rd3 Re3 42. Rxe3 Rxe3 43. Rd5+ Kf6 44. Rb5 b6 45. Kg4 Rd3 46.
a5 bxa5 47. Rxa5 Rxb3 48. Ra6+ Rb6 49. Rxa7 $11 Rb4+ 50. Kg3 Rb5 51. Ra8 Rc5
52. Rf8+ Kg7 53. Rb8 Kf6 54. Rh8 Kg7 55. Re8 Kf6 56. Re4 Kf5 57. Rb4 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Rodríguez, Laureano"]
[Black "Barrios, Sergio"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "69"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Sveshnikov.
} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.
Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Qa5+ 11.
Bd2 Qd8 12. Bd3 Be6 13. Nxf6+ (13. c4 Nd4 14. O-O bxc4 15. Nxf6+ Qxf6 16. Nxc4
Be7 17. f4 O-O 18. f5 Bxc4 19. Bxc4 Qh4 20. Bd5 Rab8 21. Bc3 Bg5 22. Qd3 {
1/2:1/2 Sveshnikov-Lputian, Helsinki 1992.}) 13... Qxf6 14. O-O d5 15. exd5
Bxd5 16. c4 bxc4 17. Nxc4 Bb4 $4 (17... Rd8 $11) 18. Bxb4 Nxb4 19. Qa4+ Nc6 20.
Nb6 Rd8 21. Nxd5 Rxd5 22. Be4 Rd6 (22... Rb5 $142) 23. Rad1 Ke7 24. Rxd6 Qxd6
25. Qxc6 $18 Qd4 26. Qb7+ Kf6 27. h4 Rd8 28. Rc1 g6 29. Rc7 Rf8 30. g3 g5 31.
Qc6+ Kg7 32. hxg5 Kg8 33. Bxh7+ Kxh7 34. Qh6+ Kg8 35. g6 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "González, Víctor"]
[Black "Grande, Miguel"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "55"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura espanola. Defensa Barnes.
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 {
"La defensa favorita de Pillsbury, con la cual ha logrado finos triunfos, pero
la teoria moderna, no sin razon, la considera inferior." (Alekhine)  "Las
negras en las aperturas de peon de rey no pueden permitirse el fianchetto,
porque las blancas tendran ocasion de conducir con ventaja de tiempo su juego
abierto." (Reti)} 4. c3 Bg7 $6 (4... a6 5. Ba4 d6 6. d4 Bd7 $14) 5. d4 a6 6.
Bxc6 dxc6 7. Nxe5 Qe7 8. O-O Be6 (8... Bxe5 9. dxe5 Qxe5 $16) 9. Nd3 O-O-O 10.
Qa4 Kb8 11. Na3 Qh4 12. Nc5 Bc8 13. f3 Ka7 14. Be3 Ne7 15. g3 Qh3 16. Nc4 b6
17. Nd3 Qd7 18. Qb4 Bb7 19. a4 Nc8 20. Nde5 Qe8 21. a5 Bf8 22. axb6+ cxb6 23.
Qb3 f6 24. Nd3 Qe6 25. Rfd1 h5 26. Qa2 g5 27. Nxb6 Qh3 (27... Qxa2 28. Nxc8+
Rxc8 29. Rxa2 $18) 28. Nf2 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Mangiaterra, Ricardo"]
[Black "Salazar, Ezequiel"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "76"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante del dragon.
} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Nb3 Be6 9. Kh1 O-O 10. f4 Na5 11.
e5 (11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. Bd2 (14. g4 $5) 14... Rac8 15.
Rae1 Qb6 16. Bc1 e6 $5 17. Qf3 Qc6 $5 {Lerner} (17... Rce8 $6 18. Rd1 $14 {
Glek-Lerner, Tallinn 1986.})) 11... Ne8 12. exd6 Nxd6 13. Nd4 Bc4 14. f5 Rc8
15. fxg6 hxg6 $13 16. Nb3 Bxe2 17. Qxe2 e5 18. Rd1 Nac4 19. Ne4 f5 20. Bg5 Qc7
21. Nxd6 Nxd6 22. c3 Ne4 23. Be3 f4 (23... b6 $15) 24. Bxa7 Ng5 25. Qb5 f3 26.
Rd7 fxg2+ 27. Kxg2 Qc4 28. Rxg7+ $5 (28. Qxc4+ Rxc4 29. Rxb7 $18) 28... Kxg7
29. Qxe5+ Kh6 30. Be3 Qe2+ 31. Kg1 Rf5 (31... Qg4+ 32. Qg3 Qxg3+ 33. hxg3 Rce8
$15) 32. Qg3 Rcf8 33. Qh3+ $4 (33. Nd2 Kh5 34. Kh1 $11) 33... Kg7 34. Bd4+ Kf7
35. Qg3 Kg8 36. Qg2 {Apremio de tiempo de las blancas.} 36... Nh3+ 37. Qxh3
Rg5+ 38. Kh1 Qe4+ 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Rossi, Miguel"]
[Black "Sánchez, Christian"]
[Result "1/2-1/2"]
[ECO "D26"]
[PlyCount "43"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito de dama aceptado.
} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4
c5 6. O-O Nc6 {"Las negras se privan inutilmente de la respuesta ...a6 que
prepara el avance ...b5." (Botvinnik)} 7. Nc3 cxd4 8. Nxd4 (8. exd4 Be7 9. Bg5
O-O 10. Re1 a6 11. Bb3 b5 12. d5 Nxd5 13. Bxd5 exd5 14. Qxd5 Qxd5 15. Nxd5 Bxg5
16. Nxg5 $14 {Anand}) 8... Nxd4 9. exd4 {"El peon central es un verdadero
punto de apoyo, aunque se encuentre aislado." (Tarrasch)} 9... Be7 10. Re1 O-O
11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Bf6 14. Qb3 a5 15. a4 Ra6 16. Be3 Rd6 17.
Rad1 b6 18. Bf4 (18. Bc4 Be6 19. Rxd6 Qxd6 20. Bxe6 fxe6 21. Bxb6 $14) 18...
Rd7 19. Bc6 Rd4 20. Bd5 Qd7 21. Rxd4 Bxd4 22. Be3 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.25"]
[Round "4"]
[White "Ortigala, Gonzalo"]
[Black "Lujambio, Arturo"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "173"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Ataque Grand Prix.
} 1. e4 c5 2. Nc3 Nc6 3. f4 {"Esta prem
atura apertura del flanco de rey puede facilmente volverse desventajosa para
las blancas." (Tarrasch)} 3... g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Nxd4 cxd4 7. Ne2 e5
(7... Qb6 8. Bd3 d5 $1 9. e5 f6 10. c4 fxe5 $15 {
Romanishin-Sisniega, interzonal de Taxco 1985.}) 8. O-O Qb6 9. Bd3 Ne7 10. Kh1
d5 11. fxe5 dxe4 12. Bxe4 O-O 13. d3 Bxe5 14. c4 Bd7 15. Nf4 Bc6 16. Qf3 Rae8
17. b3 Qc7 18. Ba3 Bd6 19. Bxd6 Qxd6 20. Rae1 Nf5 21. Nd5 Kg7 $4 (21... Bxd5
22. Bxd5 Ne3 23. Bxf7+ Kh8 24. Bxe8 Nxf1 25. Qh3 Ne3 26. Bd7 Qf4 $17) 22. Bxf5
Bxd5 23. cxd5 gxf5 24. Qxf5 Qg6 (24... Rxe1 25. Rxe1 Qf6 $16) 25. Re4 $4 (25.
Qf4 Kg8 26. Qxd4 $18) 25... Qxf5 26. Rxf5 Rxe4 27. dxe4 Rc8 $4 (27... d3 $19)
28. Kg1 Rc1+ 29. Rf1 Rc2 30. Rd1 Rxa2 31. Rxd4 Kf8 32. Kf1 Ke7 33. Rb4 b6 34.
Ra4 Rb2 35. Rxa7+ Kf6 36. Rb7 Rxb3 37. Ke2 Ke5 38. Re7+ Kd4 39. d6 Rb2+ 40. Kf3
Rd2 41. Rxf7 Ke5 42. d7 h6 43. Rh7 {Apremio de tiempo de las blancas.} 43... b5
44. Rxh6 Rd3+ 45. Ke2 Rxd7 46. Rb6 Ra7 (46... Kxe4 47. Rxb5 $18) 47. Rxb5+ Kxe4
$18 {"En este tipo de finales es un error creer que la victoria es facil; por
el contrario, es laboriosa, requiriendo tiempo e inmensa paciencia."
(Znosko-Borovski)} 48. Rb4+ Kf5 49. Kf2 Kg5 50. h4+ Kh5 51. Kg3 Ra3+ 52. Kh2
Ra2 53. Kh3 Ra1 54. g4+ Kh6 55. Rb6+ Kg7 56. g5 Ra4 57. h5 Ra3+ 58. Kg4 Ra4+
59. Kf5 Ra5+ 60. Kf4 Ra4+ 61. Ke3 Ra3+ 62. Kd4 Ra4+ 63. Kc5 Rg4 64. Rg6+ Kh7
65. Kd6 Ra4 66. Re6 Ra6+ 67. Ke5 Ra1 68. Re7+ Kg8 69. Kf6 Ra6+ 70. Re6 Ra1 71.
Kg6 Ra8 72. h6 Rb8 73. Kf6 Rb1 74. g6 Rf1+ 75. Ke7 Rh1 76. g7 Rg1 77. Rd6 Re1+
78. Kf6 Rf1+ 79. Ke7 Re1+ 80. Re6 Rg1 81. Kd6 Rd1+ 82. Ke5 {
Apremio de tiempo de las negras.} 82... Re1+ 83. Kf5 Rf1+ 84. Kg4 Rg1+ 85. Kf3
Rg5 86. Re8+ Kh7 87. Rh8+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Di Benedetto, Guillermo"]
[Black "Pérez Cascella, Julio"]
[Result "1-0"]
[ECO "E77"]
[PlyCount "77"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey. Ataque de los cuatro peones.
} 1. d4 Nf6 2. c4 g6 3.
Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 Na6 {"Demuestra desden por la ideologia
expansionista de las blancas; lo normal es ...c5." (Keene)} 7. Nf3 c6 (7... e5
8. dxe5 dxe5 9. Qxd8 Rxd8 10. Nxe5 Nc5 11. Bf3 Be6 12. Nd5 Nfd7 13. Nxd7 Rxd7
14. O-O c6 $11 {Inkov-Ivanov, camp. de Bulgaria 1992.}) 8. O-O Nc7 9. a4 d5 10.
e5 Ne4 11. Nxe4 dxe4 12. Ng5 Ne6 13. Nxe6 Bxe6 14. Be3 f5 15. b4 $16 Qd7 16.
Qb3 Bf7 17. Rfd1 e6 18. b5 Rfd8 19. Rab1 Bf8 20. a5 Qc7 21. b6 axb6 22. axb6
Qe7 23. c5 h6 24. Ra1 g5 25. Ra7 Rab8 26. Bc4 gxf4 27. Bxf4 Kh7 28. Be3 Qd7 29.
Rf1 Qe7 30. Ra2 Bg7 31. Raf2 Bg8 32. g4 fxg4 33. Qc2 Qe8 34. Qxe4+ Kh8 35. Qxg4
Rd7 36. Rg2 Rf7 37. Rxf7 Qxf7 38. Bxe6 Qe7 39. Bxg8 (39. Bxg8 Rxg8 40. Bxh6 $18
) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Quattordio, Juan José"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "67"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Caro-Kann. Variante del avance.
} 1. e4 c6 2. d4 d5 3. e5 c5 {
"Continuacion infrecuente. Las posiciones resultantes se asemejan a las de
algunas variantes del sistema Nimzowitsch de la defensa francesa, aunque aqui
las blancas juegan con un tiempo de mas." (Varnusz)} 4. Nf3 Nc6 5. dxc5 Bg4 6.
Bf4 (6. Bb5 Qa5+ 7. Nc3 e6 8. Be3 Nge7 9. a3 a6 10. Be2 Nf5 $11 {
Asrian - Zelcic, Silivri 2003}) 6... e6 7. Bd3 Bxc5 8. O-O Nge7 9. c3 Ng6 10.
Bxg6 fxg6 11. Nbd2 O-O 12. Bg3 h5 (12... b5 $15) 13. h4 (13. h3 $11) 13... Ne7
14. Qa4 Nf5 15. Nd4 Nxg3 16. fxg3 Qc7 17. Rae1 Rxf1+ 18. Nxf1 Rf8 19. Nh2 Bf5
20. Kh1 Be4 $2 (20... Qb6 $15) 21. Nhf3 $2 (21. Nxe6 Qxe5 22. Nxc5 Bxg2+ 23.
Kxg2 Qxe1 24. Qd4 Qe2+ 25. Kg1 Qe1+ 26. Kg2 $11) 21... Bxd4 22. Qxd4 Bxf3 23.
gxf3 Rxf3 24. Kg2 Rf7 25. Qxa7 Qc4 26. a3 Qb5 27. b4 Qd3 {
Apremio de tiempo de las negras.} (27... b6 $1 28. c4 Qc6 29. Qb8+ Kh7 30. Qd6
Qxc4 31. Qxe6 Rf5 32. Qxb6 Qc2+ 33. Kh3 Rf2 $19) 28. Qe3 Qc2+ 29. Kg1 Qa2 30.
Rf1 Rxf1+ 31. Kxf1 Qxa3 32. Kf2 Qa2+ 33. Kf3 Qc4 34. Kf2 $17 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Sanhueza, Cristián"]
[Black "Rucci, Miguel"]
[Result "1-0"]
[ECO "B47"]
[PlyCount "59"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Paulsen/Kan.
} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.
Nxd4 a6 5. Nc3 Qc7 6. g3 Nc6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Qd3 O-O (
10... Ng4 11. Bf4 Ne5 12. Qe2 b5 13. Nd5 Qb8 14. Ne3 d6 15. Ng4 Ng6 16. Be3 Qb6
$11 {Kuzmin-Fominyh, Alushta 1994.}) 11. Bf4 d6 12. Rad1 e5 13. Bg5 Bd4 14.
Bxf6 Bxc3 15. Bxg7 Kxg7 16. bxc3 Be6 17. Qd2 f6 18. Qxd6 Qxd6 19. Rxd6 Bxa2 20.
Rb6 Rf7 21. Ra1 Bc4 22. Rab1 a5 23. Rxb7 (23. Bf1 $14) 23... a4 24. Rxf7+ Bxf7
25. Bf1 Rc8 $2 (25... a3 $15) 26. Ra1 Rxc3 27. Rxa4 Rxc2 28. Ra7 $16 Kg6 29.
Bh3 Bc4 $2 30. Bf5+ (30. Bf5+ {#} 30... Kh5 31. Rxh7+ Kg5 32. h4#) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Maidana, Cristián"]
[Black "Rodríguez, Laureano"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "121"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Reti.
} 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 c6 5. c4 O-O 6. Bg2 Re8
(6... d5 7. cxd5 Nxd5 8. Bxg7 Kxg7 9. a3 a5 10. bxa5 Qxa5 $11 {
Blatny-Ftacnik, Praga 1989.}) 7. O-O d6 8. d3 e5 9. Nc3 Be6 10. Ng5 Bg4 11. h3
Bc8 12. Nge4 Nxe4 13. dxe4 Be6 14. Qd3 Nd7 15. Na4 a5 16. a3 axb4 17. axb4 Qc7
18. Rfd1 Ra7 19. c5 (19. Qxd6 $2 Qxd6 20. Rxd6 Rea8 $19) 19... dxc5 20. Nxc5
Nxc5 21. bxc5 Rxa1 22. Rxa1 b6 23. cxb6 Qxb6 24. Bc3 Rd8 $2 (24... h6 $11) 25.
Ba5 Qd4 26. Qxd4 Rxd4 27. Bb6 Rc4 28. Ra8+ Bf8 29. Bc7 Rc1+ 30. Kh2 Rd1 31.
Bxe5 c5 32. Bf6 Rd7 33. g4 Rc7 34. f4 Rc8 35. Rxc8 Bxc8 36. Bc3 Be7 37. Kg3 Kf8
38. h4 Ke8 39. f5 Bb7 40. h5 Kd7 41. Kf4 Bd8 42. f6 (42. Bf3 $16) 42... Ke6 {
Apremio de tiempo de las negras.} 43. hxg6 hxg6 44. g5 Bc7+ 45. Ke3 Be5 46. Ba5
Bc6 (46... Ba6 $11) 47. Bd8 Bb5 48. Be7 Bd6 $2 (48... Bh2 $16) 49. Bh3+ Ke5 50.
Bxd6+ Kxd6 51. Kf4 Kc7 52. Be6 $1 $18 Be8 53. Bc4 Kd8 54. Ke5 Kc7 55. Kd5 Bc6+
56. Kxc5 Bxe4 57. Bxf7 Kd7 58. Kd4 Bf5 59. e4 Bg4 60. Bxg6 {
Apremio de tiempo de las blancas.} 60... Ke6 61. Bf5+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Salazar, Ezequiel"]
[Black "Quercia, Abel"]
[Result "1-0"]
[ECO "C17"]
[PlyCount "83"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Variante Winawer.
} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5
5. Bd2 {"Esta jugada es aconsejada por Bogoljubow, quien opina que es la mejor
continuacion." (Palau)} 5... Ne7 6. a3 Bxc3 7. bxc3 (7. Bxc3 Nbc6 8. Nf3 cxd4
9. Nxd4 Nxe5 10. Nxe6 Bxe6 11. Bxe5 O-O 12. Bd3 Nc6 13. Bg3 Qf6 $11 {
Spasski-Vladimirov, Solingen 1991.}) 7... Qc7 8. Qg4 Kf8 9. Kd1 $5 b6 10. f4
Ba6 11. Nf3 Nf5 12. Bxa6 Nxa6 13. Nh4 Nxh4 14. Qxh4 Rc8 15. Rc1 cxd4 16. cxd4
Qe7 (16... Qc4 $17) 17. Qf2 f5 18. g4 Qf7 19. Rg1 h6 20. Qg2 Rg8 21. c4 fxg4 (
21... dxc4) 22. Qxg4 $2 (22. cxd5 $18) 22... Qd7 $2 (22... dxc4 $15) 23. f5 (
23. cxd5 $16) 23... exf5 24. Rf1 g6 25. Bxh6+ Ke8 26. Qf3 Rxc4 $2 (26... dxc4
$17) 27. Rxc4 dxc4 28. d5 $2 (28. Qa8+ Kf7 29. e6+ Qxe6 30. Qxa7+ $18) 28...
Nc7 (28... Nc5 $19) 29. d6 Ne6 30. h4 c3 31. Qxc3 Kf7 (31... Qa4+ 32. Kd2 Kd7
$17) 32. h5 Rc8 $2 (32... Ke8) 33. hxg6+ Kxg6 34. Qg3+ Kh7 {
Apremio de tiempo de las negras.} 35. Qh4 Qb7 36. Bd2+ (36. Bg7+ Kg8 37. Qh8+
Kf7 38. Rxf5+ Kg6 39. Rf6+ Kg5 40. Qh6+ Kg4 41. Qg6+ Kh4 42. Qh7+ Kg3 43. Qd3+
Kh4 44. Rh6+ Kg5 45. Rg6+ Kf4 46. Rf6+ Kg4 47. Qf5+ Kh4 48. Rh6+ Kg3 49. Rg6+
Ng5 50. Rxg5+ Kh2 51. Qh7#) 36... Kg8 37. Rg1+ Ng7 38. Qg3 f4 39. Qxf4 Rf8 40.
Qc4+ Qf7 41. Qxf7+ Kxf7 42. Bh6 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Sánchez, Christian"]
[Black "González, Víctor"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "27"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa escandinava. Variante Anderssen.
} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5
4. d4 e5 5. dxe5 Bb4 6. Nf3 Nc6 7. Bd2 Bg4 8. a3 Nd4 9. Bb5+ Nxb5 (9... c6 $1
10. O-O $3 Bxf3 $1 11. axb4 $1 Bxd1 12. bxa5 Bxc2 13. Ba4 $1 $16 {
Ivanchuk-Angelov, Varna 1987.}) 10. axb4 Bxf3 $2 (10... Qb6 $16) 11. bxa5 Bxd1
12. Nxb5 c6 13. Nd6+ Kd7 14. Rxd1 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Grande, Miguel"]
[Black "Rossi, Miguel"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "105"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey.
} 1. d4 Nf6 2. c4 g6 3. Nd2 $6 Bg7 4. Ngf3 O-O 5. e4 d6
6. Be2 e5 7. dxe5 dxe5 8. O-O Nc6 9. Qc2 Re8 10. Rd1 Nd4 11. Nxd4 exd4 12. c5
Qe7 13. Bd3 Bg4 14. f3 Be6 15. Nf1 Nd7 16. b4 (16. c6 $15) 16... a5 17. Bd2
axb4 18. Bxb4 Ne5 19. a3 c6 20. Ng3 Bh6 21. Bd2 Bxd2 22. Rxd2 Ra5 23. Qb2 Qxc5
24. Ne2 $2 (24. f4 Nxd3 25. Rxd3 Bc4 $17) 24... Rd8 (24... Nxd3 25. Rxd3 Bc4
$19) 25. Nf4 Qc3 26. Nxe6 fxe6 27. Bf1 Qxb2 28. Rxb2 b5 29. Rb3 g5 30. Rc1 Kf7
31. Kf2 Kf6 32. g3 Ra4 33. f4 Nc4 34. e5+ Ke7 $6 (34... Kg6 $19) 35. Bd3 (35.
Bxc4 $5) 35... h6 36. Ke2 gxf4 37. gxf4 Rg8 $2 (37... Na5 $19) 38. Bxc4 {
Apremio de tiempo de las blancas.} 38... Rg2+ $2 (38... bxc4 39. Rb7+ Ke8 40.
Rb8+ Kf7 41. Rb7+ Kf8 $11 (41... Kg6 $2 42. Rg1+ Kf5 43. Rxg8 $18)) 39. Kf3
Rxh2 40. Bf1 Kd7 41. Rd3 Ra2 42. Ke4 R2xa3 43. Rxd4+ Rxd4+ 44. Kxd4 Ra4+ 45.
Ke3 b4 46. Bc4 Ra3+ 47. Ke4 Rh3 48. Rd1+ Ke7 49. Rd6 c5 50. Rxe6+ Kd7 51. Rg6
b3 52. Be6+ Kc7 53. Bxh3 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Barrios, Sergio"]
[Black "Ortigala, Gonzalo"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.11.30"]
[Round "5"]
[White "Lujambio, Arturo"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "43"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito Benkoe.
} 1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. b6 {"Manteniendo
cerrada la columna a. Las blancas renuncian a la ventaja material, pero
limitan la actividad de las piezas negras." (Silman)} 5... Qxb6 6. Nc3 g6 7. e4
d6 8. Nf3 Bg7 9. Be2 O-O 10. O-O Nbd7 11. h3 Rb8 12. Rb1 (12. Nd2 Qc7 13. a4
Rb4 $5 14. a5 Rd4 $1 15. Qc2 $8 e6 16. Nf3 Rb4 $11 {
Gleizerov-Fominyh, Podolsk 1993.}) 12... Ne8 13. Be3 Nc7 14. Qd2 Qa5 15. Bh6
Nb5 16. Bxg7 Kxg7 17. a4 Nc7 18. Rfd1 f6 19. Qc2 Na8 20. Nd2 Qc7 21. Nc4 Ne5
22. Ne3 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Sanhueza, Cristián"]
[Black "Di Benedetto, Guillermo"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "120"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Mieses-->Apertura inglesa. Variante Botvinnik.
} 1. d3 {
Jugado por Kasparov contra Deep Blue II.} 1... g6 2. g3 Bg7 3. Bg2 c5 4. c4 Nc6
5. Nc3 e6 6. e4 Nge7 7. Nge2 a6 8. Be3 Nd4 9. O-O (9. Qd2 O-O 10. O-O d6 $11 {
Hort.}) 9... Rb8 10. Rb1 Nec6 11. a3 b5 (11... O-O $11) 12. cxb5 axb5 13. b4
cxb4 14. axb4 O-O 15. Nxd4 Nxd4 16. Ne2 Qb6 17. Nxd4 (17. Rb3 $1 $14 {
con idea de Da1.}) 17... Bxd4 18. Qc1 Bb7 19. Bxd4 Qxd4 20. Qc5 Qxd3 21. Rbd1
Qc4 22. Rxd7 Qxc5 23. bxc5 Rfc8 24. Rc1 Bc6 25. Rd6 b4 26. e5 Bxg2 27. Kxg2 b3
28. c6 Rc7 29. Rb1 Rb5 30. f4 h5 31. Rd3 Rxc6 32. Rdxb3 Rc2+ 33. Kh3 Rxb3 34.
Rxb3 $11 Kg7 35. Rb7 Rf2 36. Ra7 g5 37. fxg5 Kg6 38. Ra8 (38. g4 hxg4+ 39. Kxg4
Rxh2 40. Ra8 $11) 38... Kxg5 39. Rg8+ Kf5 40. Rh8 Kxe5 41. Rxh5+ f5 42. g4 Kf6
(42... Ke4 $5 43. g5 (43. gxf5 exf5 44. Kg3 Rf3+) 43... Kf3 44. Rh6 Rg2 45.
Rxe6 Rxg5 46. Kh4 Rg4+ 47. Kh5 Rg8 48. Rb6) 43. gxf5 exf5 $11 44. Kg3 Rf1 45.
Rh8 Rg1+ 46. Kf4 Rg4+ 47. Kf3 Kg7 48. Rh5 Kg6 49. Rh8 Ra4 50. Rg8+ Kf7 51. Rh8
Rb4 52. Rh5 Kf6 53. Rh8 Rb3+ 54. Kf4 Rb4+ 55. Kf3 Kg7 56. Rh5 Kg6 57. Rh8 Kf6
58. Rf8+ Kg5 59. Rg8+ Kf6 60. Rf8+ Kg5 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Pérez Cascella, Julio"]
[Black "Quattordio, Juan José"]
[Result "0-1"]
[ECO "A28"]
[PlyCount "72"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura inglesa. Variante de los cuatro caballos.
} 1. c4 e5 2. Nc3 Nf6 3.
Nf3 Nc6 4. d3 Bb4 5. Bd2 O-O 6. e3 Re8 {"Prepara el avance ...d5." (Baguirov)}
7. Be2 d6 8. O-O (8. a3 Bxc3 9. Bxc3 Ne7 10. O-O c5 11. b4 b6 12. bxc5 bxc5 13.
Rb1 Bd7 14. Nd2 Qc7 15. Qc2 Rab8 $11 {Polugaievski-Petrosian, Moscu 1976.})
8... a5 9. Qc2 Bf5 10. Rfd1 Bc5 11. a3 e4 12. Ng5 (12. dxe4 $11) 12... exd3 13.
Bxd3 Bxd3 14. Qxd3 Ne5 $36 15. Qe2 h6 16. Nf3 a4 17. h3 c6 18. Be1 Qb6 19. Nxe5
Rxe5 20. Qc2 Qa6 21. Ne2 Rae8 22. Nd4 Ne4 23. Rac1 Qa7 (23... R8e7 $15) 24. Rd3
f5 25. Rcd1 Rf8 26. Ne2 g5 (26... Ree8 $11) 27. Nc3 Re6 28. Nxa4 f4 (28... g4)
29. Nxc5 Qxc5 30. Rd4 $2 (30. Bb4 Qf5 31. f3 Nc5 32. e4 $18) 30... fxe3 31. f3
$2 {#} (31. Rxe4 Rxe4 32. Qxe4 exf2+ 33. Bxf2 Qxf2+ 34. Kh1 $14) 31... Nd2 32.
Qd3 $2 (32. R4xd2 exd2+ 33. Bf2 Qe5 34. Qxd2 $15) 32... Rf4 33. Rxd2 exd2 34.
Bf2 Rxd4 35. Bxd4 Re1+ 36. Kh2 Qxd4 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Salazar, Ezequiel"]
[Black "Martínez Dorr, Fernando"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "114"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Alekhine. Ataque de los cuatro peones.
} 1. e4 Nf6 2. e5 Nd5 3. c4
Nb6 4. d4 d6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Be7 10. Be2 O-O
11. O-O f6 {"Al socavar el extremo de la cadena de peones, las negras abren la
columna f, lo que junto a la presion por la columna d se convertira en un
elemento importante en sus planes." (Tartakower)} 12. exf6 Bxf6 13. Qd2 Qd7 14.
Rad1 Rad8 15. h3 h6 (15... Qe8 16. Qe1 Rd7 17. Qg3 Qg6 $11 {
Matanovic - Allan, Lugano (ol) 1968 - 6/177}) 16. Qe1 Qe7 17. g4 Bh7 18. Qg3 g5
19. Ne5 Bxe5 20. dxe5 Nd7 21. Rxf8+ Rxf8 22. Nb5 a6 23. Nxc7 $2 (23. Nd4 Ncxe5
24. Nf3 $15) 23... Ndxe5 $2 (23... Rc8 $19) 24. Bb6 Rc8 25. Bf3 $2 (25. b4 Rxc7
26. b5 axb5 27. cxb5 Rd7 28. bxc6 Rxd1+ 29. Bxd1 Nxc6 30. Qe3 $15) 25... Nxf3+
26. Qxf3 Rxc7 27. Bxc7 Qxc7 $19 28. Qe3 Qe7 29. c5 Bg6 30. Rd6 Bf7 31. Qe4 Qf6
32. Rd2 Bg6 33. Qe3 Be8 34. Rd6 Ne5 35. Kg2 Bc6+ 36. Kg3 Bd5 37. b3 Ng6 38. a4
Qf4+ 39. Qxf4 gxf4+ 40. Kf2 Ne5 41. Rd8+ Kf7 42. Rh8 Kg7 43. Rc8 Bxb3 44. Rc7+
Kf6 45. Rxb7 Bxa4 46. Rb6 Bb5 47. Rd6 Nd3+ 48. Kf3 Ke5 49. Rd8 Nxc5 {
Apremio de tiempo de las negras.} 50. Rh8 Bc6+ 51. Kf2 Nd3+ 52. Ke2 Ke4 53.
Rxh6 f3+ 54. Kf1 Nf4 55. Rf6 Bb5+ 56. Kf2 Nxh3+ 57. Kg3 f2 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Rucci, Miguel"]
[Black "Maidana, Cristián"]
[Result "0-1"]
[ECO "D30"]
[PlyCount "82"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito de dama. Defensa semieslava.
} 1. d4 d5 2. Nf3 e6 3. c4 c6 4. cxd5
exd5 5. Nc3 f5 $5 (5... Bf5 6. g3 Be7 7. Bg2 Nd7 8. O-O h6 9. h3 Ngf6 10. Bf4
O-O 11. Ne5 Bh7 12. g4 Qb6 $11 {Miladinovic-Ivanchuk, Belgrado 1995.}) 6. Bf4
Nf6 7. e3 Be7 8. Bd3 O-O 9. Ne5 Ne4 10. f3 Nxc3 11. bxc3 Bh4+ 12. Bg3 (12. g3
$11) 12... Nd7 13. Bxh4 Qxh4+ 14. g3 Qe7 15. f4 c5 16. O-O c4 17. Bc2 Qa3 18.
Qd2 b5 19. Rab1 Rb8 20. g4 (20. Qc1 $15) 20... fxg4 21. Nxg4 Nf6 22. Nxf6+ Rxf6
23. e4 dxe4 24. Bxe4 Bf5 25. Bd5+ Kh8 26. Rbe1 Qd6 27. Re5 Rg6+ (27... Bd3 $17)
28. Bg2 Bd3 29. Rfe1 h6 30. Kh1 a5 31. f5 Rf6 32. Re6 Qf8 33. Rxf6 Qxf6 34. Qf4
Rf8 35. Qc7 Qxf5 36. Qxa5 Qf2 37. Rg1 Re8 38. Bd5 $4 (38. h3 $15) 38... Qf5 39.
Bg2 Be4 40. Bxe4 Qxe4+ 41. Rg2 Qf3 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Rodríguez, Laureano"]
[Black "Grande, Miguel"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "47"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura italiana. Gambito Evans.
} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4
5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 {"La accion mas segura que se puede
emprender aqui es devolver el peon mediante 8...Ab6, con el objeto de
neutralizar las baterias de dama y alfil." (Clarke)} 8... dxe5 9. Ba3 Bb6 10.
Nbd2 Na5 (10... Nh6 11. O-O f6 12. Rad1 Na5 13. Qb4 Nxc4 14. Nxc4 Qe6 15. Rd5
$1 $16 {P. Rodriguez-Valdes, Cuba 1990/91.}) 11. Nxe5 (11. Qb4 c5 12. Qb2 Nxc4
13. Nxc4 f6 14. Rd1 Qe6 15. Nd6+ Ke7 16. O-O Nh6 17. c4 Nf7 18. Nxc8+ Raxc8 19.
Rd5 $44 {Christiansen-Gretarsson, olimp. de Erevan 1996.}) 11... Nxb3 12. Nxb3
$1 (12. axb3 Bxf2+ 13. Ke2 Bh4 14. Ndf3 Bf6 15. Nxd7 Bxd7 16. e5 Be7 17. Nd4
Bxa3 18. Rxa3 $44 {Estrin-Skrovina, corr 1960.}) 12... Qa4 $2 (12... Qe6 13.
Bxe6 Bxe6 $14) 13. Bxf7+ Kd8 14. O-O-O+ Bd7 15. Rxd7+ Qxd7 (15... Kc8 16. Rd8+
Kxd8 17. Rd1+ Kc8 18. Be6+ Kb8 19. Rd8#) 16. Nxd7 Kxd7 17. Rd1+ Kc6 18. Bd5+
Kb5 19. c4+ Ka6 (19... Ka4 20. Bb2 Ne7 21. c5 Nxd5 22. Rxd5 Ba5 23. c6 Bb6 24.
cxb7 Rab8 25. Nc5+ Bxc5 26. Rxc5 Rxb7 27. Bxg7 $18) 20. c5 Kb5 21. Rd4 a5 22.
cxb6 Kxb6 23. Bc5+ Ka6 24. Ra4 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Lujambio, Arturo"]
[Black "Sánchez, Christian"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Quercia, Abel"]
[Black "Mangiaterra, Ricardo"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "88"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Rossolimo.
} 1. e4 c5 2. c3 e6 3. Nf3 Nc6 4. Bb5
Nf6 5. d3 (5. e5 Nd5 6. Bxc6 bxc6 7. d3 Be7 8. c4 Nc7 9. Nc3 O-O 10. O-O {
Short-Sadler, camp. de Gran Bretana (m).}) 5... Be7 6. O-O O-O 7. Ba4 d6 8.
Nbd2 Qc7 9. Qe2 Rb8 10. a3 b5 11. Bc2 Bb7 12. Re1 Ne5 13. h3 Rfe8 14. Nf1 Nxf3+
15. Qxf3 Nd7 16. Qg3 Nf8 17. Nh2 Ng6 18. Be3 e5 19. Rf1 d5 20. Qf3 (20. Nf3 $15
) 20... d4 21. Bd2 c4 22. cxd4 exd4 23. Rfc1 Bd6 24. Nf1 Ne5 25. Qe2 f5 26. f4
(26. Ng3 $17) 26... Ng6 (26... Nxd3 27. Bxd3 fxe4 $1 $19) 27. e5 Qc6 (27... Bc5
$17) 28. dxc4 bxc4 29. Bd3 $4 (29. Qf2 $15) 29... cxd3 $19 30. Qf2 Qd5 31. Ng3
Bc5 32. b4 Bb6 33. Nxf5 Rf8 34. Nd6 Ba8 35. Kh2 Nxf4 36. Bxf4 {
Apremio de tiempo de las negras.} 36... Rxf4 37. Qg3 Qxe5 38. Nc4 Qf6 39. Rg1
Bc7 40. Kh1 Rf3 41. gxf3 Bxg3 42. Rxg3 Bxf3+ 43. Kh2 {
Apremio de tiempo de las blancas.} 43... Bd5 44. Rag1 Bxc4 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "González, Víctor"]
[Black "Barrios, Sergio"]
[Result "1-0"]
[ECO "B53"]
[PlyCount "53"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante hungara.
} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4
{"Con el objetivo principal de plantear problemas al adversario ya desde el
comienzo de la partida." (Gelenczei)} 4... a6 5. Bc4 Nf6 6. Bg5 Nc6 7. Qd3 e6
8. Nc3 Be7 9. O-O-O b5 10. Bb3 Na5 (10... Qc7 11. Bxf6 gxf6 12. Nd4 Nxd4 13.
Qxd4 Qc5 14. Qd2 Bd7 $11 {Dmitriev-Zviaguinsev, Azov 1996.}) 11. Bxf6 Nxb3+ 12.
axb3 gxf6 $13 13. g3 Bb7 14. Rhe1 Rc8 15. Qe3 b4 16. Na4 f5 $6 17. exf5 exf5 (
17... Qc7 18. Re2 e5 $11) 18. Nb6 Rc5 19. Nc4 Kf8 (19... Be4 $16) 20. Kb1 h6
21. h4 a5 22. Nfe5 (22. Nxd6 Bxd6 23. Qxc5 Bxc5 24. Rxd8+ Kg7 25. Rxh8 Kxh8 26.
Re5 $18) 22... Qc7 {#} 23. Nxf7 Rxc4 (23... Kxf7 24. Qe6+ Kf8 25. Nxd6 Rh7 26.
Qg6 $18) 24. Nxh8 Rxc2 25. Qxe7+ Kg8 26. Qe8+ Kg7 27. Qg6+ (27. Qg6+ Kxh8 28.
Re8#) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.02"]
[Round "6"]
[White "Ortigala, Gonzalo"]
[Black "Rossi, Miguel"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "95"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Ataque Grand Prix.
} 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Bb5
Bd7 5. Nf3 e6 (5... g6 6. Bxc6 Bxc6 7. O-O Bg7 8. d3 Nf6 9. Qe1 O-O 10. Bd2 e6
$11 {Heidenfeld-Najdorf, olimp. de La Habana 1966.}) 6. Bxc6 bxc6 7. d3 Ne7 8.
O-O g6 9. Qe1 Bg7 10. b3 (10. e5 $16) 10... Qc7 11. Bd2 a5 12. Qh4 Rb8 13. Rae1
Qd8 14. f5 gxf5 15. exf5 Nxf5 16. Qh5 O-O 17. Ne4 Be8 18. g4 $2 (18. Bf4 $14)
18... Nd4 19. Neg5 (19. Nxd4 Bxd4+ 20. Be3 Bxe3+ 21. Rxe3 f5 22. Qh6 Bg6 23.
gxf5 Rxf5 24. Rg3 $15) 19... h6 20. c3 f6 21. Qh3 fxg5 22. cxd4 cxd4 23. Rxe6
Rb5 (23... Qd7 $17) 24. Rxh6 Bxh6 25. Qxh6 Qf6 26. Bxg5 Rxg5 $4 (26... Qxh6 27.
Bxh6 Rf6 $15) 27. Qxg5+ Qxg5 28. Nxg5 $18 Rxf1+ 29. Kxf1 c5 30. Ke2 a4 31. bxa4
Bxa4 32. Ne4 Bc6 {Apremio de tiempo de las negras.} 33. Nxd6 Bd5 34. a4 Kf8 35.
h4 Ke7 36. Nf5+ Kf6 37. a5 c4 38. Nxd4 Ke5 39. Nf5 Kf4 40. dxc4 Bxc4+ 41. Kd2
Ba6 42. Ne3 Ke4 43. h5 Ke5 44. h6 Kf6 45. Kc3 Kg6 46. g5 Bb7 47. Kd4 Ba6 48.
Ke4 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Martínez Dorr, Fernando"]
[Black "Sanhueza, Cristián"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "13"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Variante del cambio.
} 1. e4 e6 2. d4 d5 3. exd5 exd5 4.
Bd3 Bd6 5. Ne2 Nf6 6. Bf4 O-O 7. O-O {"Una partida adecuada para el
comentarista: ni siquiera necesita un diagrama." (Euwe)} 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Di Benedetto, Guillermo"]
[Black "Maidana, Cristián"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "70"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito de dama aceptado.
} 1. d4 d5 2. c4 dxc4 3. e4 {
"Un avance demasiado abrupto." (Tartakower)} 3... e5 4. Nf3 exd4 5. Bxc4 Nc6 6.
O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6 11. Nbd2 Bd6 12. Re1 $6
(12. a3 O-O 13. b4 Ng4 14. Bb2 $5 Nce5 15. Nxe5 Bxe5 16. h3 $14 {Pelletier}) (
12. Qd3 O-O 13. a3 Ng4 14. h3 Nge5 15. Nxe5 Nxe5 $1 16. Qxd4 Qb5 17. Qc3 Qe2
18. Qe3 Qxe3 19. fxe3 Nd3 $44 {Gormally-Krush, Hampstead 1999.}) 12... Ng4 13.
a3 $146 (13. h3 Nge5 14. Nxe5 Nxe5 $1 (14... Bxe5 15. a3 $14) 15. Qxa7 (15. Nc4
O-O 16. Nxe5 Bxe5 17. Qd3 Qb5 $1 $15 {Pelletier-Rublevski, Lucerna 1997.})
15... O-O $44 {/\} 16. Qxd4 $2 Nd3 $1) 13... O-O 14. Qd3 $2 (14. b4 $11) 14...
a5 (14... Qf7 15. Rf1 Qh5 16. h3 Nge5 17. Nxe5 Qxe5 18. g3 Qh5 $15) 15. h3 (15.
Rf1 $15) 15... Nge5 16. Nxe5 Bxe5 (16... Nxe5 $17) 17. b3 Rf7 $2 (17... Bf4 18.
Nf3 Ne5 19. Nxe5 Bxe5 $15) 18. Nc4 Rbf8 19. Re2 Qd8 20. Bd2 Qh4 21. Nxe5 Nxe5
22. Qxd4 Qh5 23. Kf1 $4 {#} (23. Re3 Rxf2 24. Rg3 $14) 23... Rf3 $1 24. Bc3 (
24. gxf3 Qxh3+ 25. Ke1 (25. Kg1 Nxf3#) 25... Qh1#) 24... Rxh3 25. Ke1 (25. gxh3
Qxh3+ 26. Ke1 Nf3+ 27. Kd1 Nxd4 $19) 25... Rd3 26. Re3 Rxd4 27. Bxd4 Nc6 28.
Bc3 Rd8 29. Rh3 Qb5 30. Rc1 Ne5 31. Bxe5 Qxe5 32. Rhc3 Qxe4+ 33. Kf1 Rd2 34.
Re1 Qh4 35. Rf3 Qh1# 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Quattordio, Juan José"]
[Black "Rodríguez, Laureano"]
[Result "1-0"]
[ECO "B52"]
[PlyCount "87"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Moscu.
} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+
Nxd7 {"Considero que es mejor tomar de dama. Las negras quedan ahora en
situacion pasiva." (Simaguin)} 5. O-O g6 (5... Ngf6 6. Qe2 e6 7. b3 Be7 8. Bb2
O-O 9. c4 Re8 10. Nc3 a6 11. Rad1 Qa5 12. d4 cxd4 13. Nxd4 Rad8 14. Rfe1 Bf8
$11 {Markovic-Sokolov, camp. de Yugoslavia 1998.}) 6. c3 Ngf6 7. Re1 Bg7 8. d4
O-O {Las blancas han ganado un tiempo.} 9. Bg5 h6 10. Bf4 (10. Bxf6 Nxf6 11. d5
$14) 10... d5 (10... cxd4 11. cxd4 Qb6 $11) 11. e5 Ne4 12. c4 e6 (12... Qb6)
13. cxd5 exd5 14. Nc3 Nxc3 15. bxc3 Re8 16. Qb3 cxd4 17. cxd4 Nb6 18. a4 Qd7
19. h4 Qg4 20. Bg3 Re7 21. Qb4 Bf8 22. Qb3 Rae8 23. Qd3 Bg7 24. Nd2 f6 25. a5
Nd7 26. f4 (26. Nf3) 26... g5 27. hxg5 hxg5 28. Rf1 gxf4 29. Rxf4 Qe6 30. Rh4 (
30. exf6 Nxf6 31. Re1 Qc6 32. Rxe7 Rxe7 33. Bh4 Re6 34. Bxf6 Rxf6 35. Rxf6 Bxf6
36. Nf3 $11) 30... fxe5 31. Qh7+ Kf8 32. Nf3 $2 (32. Rf1+ Rf7 33. Rxf7+ Qxf7
34. dxe5 Bxe5 35. Bxe5 Qxh7 36. Rxh7 Nxe5 37. Rxb7 Re7 38. a6 $11) 32... e4 $2
(32... Bf6 33. Qh6+ Kg8 $19) 33. Ne5 $2 (33. Rf4+ Bf6 34. Qh8+ Kf7 35. Qh7+ Kf8
$11) 33... Nxe5 34. dxe5 Rf7 35. Qh5 Bxe5 36. Bxe5 Qxe5 37. Qh6+ Ke7 38. Rc1
Rg8 39. Rh5 Qg3 40. Qd2 {#} 40... e3 $4 {Apremio de tiempo de las negras.} (
40... Rfg7 $19) 41. Qxd5 Rg6 (41... Qf2+ 42. Kh1 Qf4 43. Qxb7+ Kf8 44. Qb2 $18)
42. Qxb7+ Kf8 43. Qc8+ Kg7 44. Qh8# 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Sánchez, Christian"]
[Black "Salazar, Ezequiel"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "79"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante cerrada.
} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2
Bg7 5. f4 e6 6. d3 Nge7 7. Nf3 O-O 8. O-O Nd4 9. Be3 Nec6 10. Bf2 d6 {
"El hecho de que las negras tengan varias continuaciones razonables es una
prueba de que esta no es la variante critica de la siciliana cerrada." (King)}
11. Rb1 (11. Nxd4 Nxd4 12. Rb1 Bd7 13. Ne2 Qa5 14. c3 Nxe2+ 15. Qxe2 Qxa2 16.
e5 Qb3 17. exd6 Rfc8 18. f5 gxf5 19. g4 $44 {Spasski-Miles, Gjovik 1983.})
11... Qa5 12. Qd2 Rb8 13. Rfd1 b5 14. a3 Qc7 (14... Nxf3+ 15. Bxf3 Nd4 16. Bg2
Bd7 $11) 15. Ne2 Nxf3+ 16. Bxf3 b4 17. axb4 Nxb4 $2 (17... cxb4 $11) 18. c3 Nc6
19. d4 cxd4 20. Nxd4 Nxd4 21. Bxd4 Bxd4+ 22. Qxd4 Qb6 23. Kg2 Qxd4 24. Rxd4 Rb6
25. Ra4 a6 26. Be2 Bb7 27. Kf2 Rc8 28. Bd3 Rc5 29. Ke3 f5 30. exf5 gxf5 31. Rc4
Rxc4 32. Bxc4 Kf7 33. b4 Be4 34. Ra1 Rc6 $2 (34... Bb7 $14) 35. Kd4 Ke7 (35...
Kf6 36. Rxa6 e5+ 37. fxe5+ dxe5+ 38. Ke3 {
y el alfil no se puede tomar porque la torre esta clavada.}) 36. Bxa6 Kf6 37.
c4 e5+ 38. fxe5+ dxe5+ 39. Kc3 f4 $2 40. Bb7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "González, Víctor"]
[Black "Pérez Cascella, Julio"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "94"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Hromadka-->Defensa siciliana. Sistema Maroczy.
} 1. d4 Nf6 2. c4 c5
3. Nf3 g6 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 {"Se ha traspuesto al sistema Maroczy,
que en mi opinion coloca a las negras ante una tarea dificil de resolver."
(Botvinnik)} 6... O-O 7. Be3 Nc6 8. Qd2 $2 (8. Be2) 8... Nxd4 $2 (8... Ng4 $15)
9. Bxd4 d6 10. f3 Be6 11. Nd5 Nd7 12. Bxg7 Kxg7 13. Nf4 (13. Qd4+ Kg8 14. Be2
$14) 13... a5 (13... Qb6 $11) 14. h4 Qb6 15. h5 Qb4 16. hxg6 hxg6 17. O-O-O
Qxd2+ 18. Rxd2 (18. Kxd2 $14) 18... Ne5 19. Nxe6+ $2 fxe6 $15 20. Rc2 Nd7 21.
b3 e5 22. Kd2 Nc5 23. Ke3 Ne6 24. Be2 g5 25. Rc3 Rfc8 26. Rhc1 Rh8 27. Kf2 b6
28. a3 Kf6 29. Rb1 Nd4 30. Bf1 Rh1 31. b4 g4 32. fxg4 Kg5 33. Bd3 Rxb1 34. Bxb1
axb4 35. axb4 Ra1 36. Bd3 Ra2+ 37. Kg3 Rd2 38. Bf1 {
Apremio de tiempo de las blancas.} 38... Ne6 39. c5 $2 (39. Ra3 $15) 39... bxc5
40. b5 Nd4 41. Ra3 Rb2 42. Ra7 Rb3+ 43. Kf2 Nxb5 44. Rxe7 Nd4 45. Rg7+ Kf4 46.
Rg6 Rb2+ 47. Ke1 Ke3 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Mangiaterra, Ricardo"]
[Black "Ortigala, Gonzalo"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "59"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Caro-Kann. Variante del avance.
} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3
e6 5. g4 Bg6 6. Nge2 c5 {"La ruptura del centro enemigo es una reaccion tipica
a las operaciones de flanco del contrario." (Karpov)} 7. Be3 Nc6 8. h4 $6 {
Velickovic} 8... h5 (8... cxd4 9. Bxd4 h6 10. Qd2 Bb4 11. a3 Qa5 12. h5 Bh7 13.
Bg2 Nge7 14. Rc1 Bxc3 15. Qxc3 Rc8 16. Qxa5 Nxa5 17. b4 Nc4 $15 {
Lublinski-Sokolski, camp. de URSS 1949.}) 9. Nf4 Bh7 10. Nxh5 cxd4 11. Bxd4
Bxc2 12. Qxc2 Nxd4 13. Qa4+ Nc6 14. Bb5 Qc7 (14... Qb6 15. Nf4 O-O-O 16. Bxc6
bxc6 17. O-O-O Kb7 18. Qc2 Qb4 19. Nce2 Qc5 20. Nc3 Qc4 21. Qa4 Qxa4 22. Nxa4
c5 {1/2-1/2 Gritsch-Koczo, Budapest 2003 (66).}) 15. O-O-O O-O-O 16. Bxc6 bxc6
17. Rh3 g6 18. Nf4 Ne7 (18... Bg7 $14) 19. Nd3 Bg7 20. f4 Qb6 $2 (20... g5 $5)
21. Qa3 Rde8 22. Na4 Qb5 23. Ndc5 d4 24. Rb3 Qc4+ 25. Rc3 Qb5 26. Rb3 Qc4+ 27.
Kb1 Nd5 28. Nb6+ Nxb6 29. Rxb6 Bf8 30. Qxa7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Grande, Miguel"]
[Black "Quercia, Abel"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "86"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura de peon de dama. Variante Grau.
} 1. d4 d5 2. Nf3 Bf5 {"Esta defensa
, poco usual, ha sido objeto de un estudio particular del campeon argentino
Grau." (Alekhine)  "Debilita el flanco de dama, lo que puede aprovecharse con
c4 y Db3." (Tarrasch)} 3. Bf4 e6 4. e3 Nf6 5. c4 c6 6. Nc3 Nbd7 $6 7. h3 (7.
Qb3 $1 Qb6 8. c5 Qxb3 9. axb3 a6 10. b4 Rc8 11. h3 Be7 12. Nd2 $16 {
Kovacevic-Byrne, Wijk aan Zee 1980.}) 7... Be7 8. Nh4 Bg6 9. Nxg6 hxg6 10. Qb3
Qb6 11. c5 Qxb3 12. axb3 Nh7 $2 (12... e5 13. dxe5 Ng4 $1 14. b4 Ngxe5 $11) 13.
b4 f6 14. Bd3 Kf7 15. Kd2 (15. b5 $16) 15... e5 16. dxe5 fxe5 17. Bg3 a5 18.
Rxa5 Rxa5 19. bxa5 Bxc5 20. Na2 Ng5 (20... e4 $14) 21. b4 Bd6 22. Rb1 Ra8 23.
Nc3 Ne6 24. f3 b6 25. b5 c5 (25... bxa5 26. bxc6 Ndc5 $16) 26. Nxd5 Rxa5 27.
Bc4 Kf8 28. Nxb6 (28. Kc2 $18) 28... Nxb6 29. Bxe6 c4 30. Kc2 Ke7 31. Bg8 Ra8
32. Bh4+ Kf8 33. Be6 Re8 34. Bg4 Bc5 35. e4 Ra8 36. Be1 Bd4 37. Bc3 (37. Kd1
$16) 37... Ra2+ 38. Rb2 Ra1 39. Bb4+ Kf7 40. Rb1 $2 (40. Bd2 $11) 40... Ra2+
41. Kd1 Rxg2 42. Ba5 c3 43. Rc1 Na4 (43... Na4 44. Bc7 Nb2+ 45. Ke1 Nd3+ 46.
Kf1 Rg1+ 47. Ke2 Nxc1#) 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Rossi, Miguel"]
[Black "Rucci, Miguel"]
[Result "0-1"]
[ECO "A38"]
[PlyCount "52"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura inglesa. Variante simetrica.
} 1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. g3
Bg7 5. Bg2 O-O 6. O-O Nc6 7. a3 d5 {"La respuesta correcta." (Larsen)} 8. cxd5
Nxd5 9. Ne4 (9. Ng5 e6 10. Nge4 b6 11. d3 Bb7 12. Bg5 f6 13. Bd2 Kh8 14. Rb1
Nxc3 15. bxc3 Qe7 $11 {Shamkovich-Kroguius, camp. de URSS 1965.}) 9... Qb6 10.
d3 Bg4 11. Ned2 Rfd8 12. Nc4 Qc7 13. Rb1 Rac8 14. Ne3 (14. Bd2 $15) 14... Nxe3
15. Bxe3 c4 16. Ne1 Qd7 17. Qd2 cxd3 18. exd3 b6 19. f4 (19. b4 $16) 19... Nd4
20. b4 Rc3 21. Kh1 Rxa3 22. b5 Nxb5 23. Qb4 Ra5 24. Rc1 Nd4 25. Rf2 Be6 26. Nc2
Rc5 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.05"]
[Round "7"]
[White "Barrios, Sergio"]
[Black "Lujambio, Arturo"]
[Result "0-1"]
[PlyCount "0"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ausencia.}  0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.06"]
[Round "8"]
[White "Sanhueza, Cristián"]
[Black "Quattordio, Juan José"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "95"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 Nf6 3. Bd3 $5 Nc6 4. Nf3
d5 (4... d6 5. Bc2 Bg4 6. d3 g6 7. Nbd2 Bg7 8. h3 Bxf3 9. Nxf3 O-O 10. O-O b5
11. a3 a5 12. d4 cxd4 $11 {Benjamin-Gurevich, camp. de EUA 1998.}) 5. exd5 (5.
e5) 5... Qxd5 6. Qe2 Bg4 7. Bc4 Qd7 (7... Qf5 $17) 8. h3 (8. d3 $15) 8... Bxf3
9. Qxf3 Ne5 10. Qe2 Nxc4 11. Qxc4 Rc8 12. Na3 a6 13. Nc2 b5 14. Qe2 c4 15. b3
e6 16. Ba3 Bxa3 17. Nxa3 cxb3 (17... O-O 18. bxc4 Qd6 19. Nc2 bxc4 $17) 18.
axb3 Qd5 19. O-O O-O (19... Qxb3 20. Rfb1 Qd5 21. c4 $132) 20. c4 bxc4 21. bxc4
(21. Nxc4) 21... Qd4 22. d3 e5 (22... Rfd8) 23. Nc2 Qd6 24. Rfe1 Rfe8 25. Ra5
h6 26. Rea1 (26. Rxe5 Rxe5 27. Qxe5 Qxd3 28. Ne3 Re8) 26... Rcd8 (26... Rc6 $11
) 27. R1a3 (27. Rxa6 Qxd3 28. Qxd3 Rxd3) 27... Rb8 28. Ra1 (28. Rxa6 Rb1+ 29.
Kh2 $14) 28... Rbd8 29. R1a3 e4 (29... Ra8 $14) 30. d4 Rb8 31. Ra1 e3 $2 (31...
Rb2 $16) 32. fxe3 Rb2 33. Rxa6 $18 Qg3 34. R6a2 Reb8 35. Rxb2 Rxb2 36. Qd3 g6
37. Rf1 Kg7 38. d5 Qe5 39. Qd4 Qxd4 40. Nxd4 Rd2 {
Apremio de tiempo de las negras.} 41. Rb1 Rd3 42. Rb3 Rd1+ 43. Kh2 Rc1 44. Rb4
Rc3 45. d6 Rxe3 46. c5 Rc3 47. c6 Nd5 48. d7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Maidana, Cristián"]
[Black "Martínez Dorr, Fernando"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "63"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Reti.
} 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 c6 6. O-O a5
7. a3 axb4 8. axb4 Rxa1 9. Bxa1 Qb6 10. c3 d5 11. d3 c5 (11... Bg4 12. Nbd2
Nbd7 13. Qa4 e5 14. e4 $11 {Balashov-Jalifman, Lvov 1990.}) 12. bxc5 Qxc5 13.
Nbd2 Nc6 14. c4 dxc4 15. Nxc4 b5 16. Ncd2 Bd7 17. Qb1 Rb8 18. Rc1 Qb6 (18...
Qd6) 19. Nb3 Be8 (19... Rc8 $14) 20. Ne5 Na5 21. Bd4 Qd8 22. Nxa5 Qxa5 23. Qb2
b4 24. Ra1 Qb5 25. Nc4 Nh5 26. Ra5 Qd7 27. Ne5 (27. Be5 $16) 27... Qd6 28. Bd5
Nf6 29. Bc4 Ng4 $2 (29... e6 $14) 30. Rd5 Nxe5 31. Rxd6 Nxc4 $2 (31... exd6 $18
) 32. dxc4 (32. dxc4 exd6 33. Bxg7 $18) 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Di Benedetto, Guillermo"]
[Black "Sánchez, Christian"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "123"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito de dama. Variante Grau.
} 1. d4 d5 2. c4 Bf5 {"Esta salida del alfil
crea desde ya problemas  estrategicos y brinda a las negras interesantes
posibilidades." (Balogh)} 3. Nc3 e6 4. Nf3 Nc6 5. Bf4 Bd6 (5... Nf6 6. e3 Be7
7. cxd5 Nxd5 8. Bg3 O-O 9. Be2 Bb4 10. Qc1 $14 {Kramnik-Short, Horgen 1995.})
6. g3 $6 (6. Bxd6 Qxd6 7. c5 Qd7 8. e3 $14) 6... Nge7 (6... dxc4 $13) 7. Rc1
O-O 8. Bxd6 Qxd6 9. c5 Qd7 10. Bg2 f6 11. Nh4 Rad8 (11... Bg4 12. h3 Bh5) 12.
Nxf5 Nxf5 13. e3 Nfe7 (13... Nce7) 14. Bh3 Ng6 (14... f5) 15. O-O Nce7 16. b4 (
16. Qa4 $5) 16... c6 17. a4 a6 18. Qb3 f5 19. f4 h5 20. b5 axb5 21. axb5 Ra8
22. Ra1 Rfb8 23. Rfb1 Qe8 24. b6 Nh8 25. Qd1 g6 26. Rxa8 Rxa8 27. Ra1 Rxa1 28.
Qxa1 Nf7 29. Qa7 Qc8 30. Nb1 Nd8 31. Nd2 Kf8 32. Bf1 Ng8 33. Nb3 Nh6 34. h3
Nhf7 35. Be2 Ke8 36. Nc1 Kf8 37. Nd3 Ke8 38. Ne1 Kf8 39. Kf2 Kg7 40. Nf3 Kf6
41. Qa1 Kg7 42. Nd2 Nh6 43. Nb3 Kf8 44. Nc1 Kg7 45. Nd3 Ndf7 46. Qa7 Kf8 47.
Bd1 Kg7 48. Ke1 Kf8 49. Kd2 Kg7 50. Kc3 Kf8 51. Be2 Kg7 52. Ne5 Nxe5 $2 {#} (
52... Nd8 $16) 53. Ba6 $1 Nhf7 54. Bxb7 Qd8 {Apremio de tiempo de las negras.}
55. h4 (55. fxe5 Qg5 56. Kd3 Qxg3 57. Bxc6 Qxh3 58. b7 Qf1+ 59. Kd2 $8 Qf2+ 60.
Kc3 $8 Qe1+ 61. Kc2 Qe2+ 62. Kb1 $8 Qe1+ 63. Ka2 Qd2+ 64. Kb3 $8 Qxe3+ 65. Kb4
Qxd4+ 66. Ka5 Qa1+ 67. Kb6 Qxa7+ 68. Kxa7 Nd8 69. Bd7 $1 (69. b8=Q $4 Nxc6+ $19
) 69... Nxb7 70. Kxb7 $18) 55... Nd7 56. Bxc6 Nb8 57. Bb5 Kf6 58. Qc7 Qf8 59.
Kb3 Nd7 60. Qxd7 Qa8 61. Qa7 Qf8 62. b7 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Rucci, Miguel"]
[Black "Pérez Cascella, Julio"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "22"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa india de rey. Sistema clasico.
} 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4
Bg7 5. Be2 O-O 6. Nf3 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Rd7 10. Nxf6+ Bxf6
11. c5 c6 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Mangiaterra, Ricardo"]
[Black "Rodríguez, Laureano"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "80"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Najdorf/Opocensky.
} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 {"Mas posicional que Ag5. Las blancas no se
apuran y frenan el contrajuego negro en el flanco de dama." (Smyslov)} 6... e5
7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f4 Bb7 11. Bf3 (11. Bd3 Nbd7 12. a4 b5 $1
13. axb5 axb5 $11 {Shirov-Guelfand, Dos Hermanas 1997.}) 11... Nbd7 12. Re1 Re8
13. f5 b5 14. a3 Nb6 15. Na5 Qc7 16. Nxb7 Qxb7 17. Bg5 Rac8 (17... Ng4 $5) 18.
Re2 Rc4 19. Qe1 Rec8 20. Rd1 Nbd7 21. Qg3 a5 22. Bh6 Bf8 23. Rxd6 $2 (23. Bg5
$11) 23... Kh8 24. Rxf6 Nxf6 $19 25. Bg5 b4 (25... Bxa3 $1 26. bxa3 Rxc3) 26.
axb4 axb4 27. Nd1 Qa6 28. Ne3 Nxe4 29. Bxe4 Rxe4 30. Rd2 f6 31. Bh4 Rd4 32. Rf2
Rxc2 33. Rxc2 Rd1+ 34. Qe1 Rxe1+ 35. Bxe1 Qa1 36. Re2 b3 37. Kg1 Bb4 {
Apremio de tiempo de las blancas.} 38. Kf2 Bxe1+ 39. Rxe1 Qxb2+ 40. Re2 Qxe2+
0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Quercia, Abel"]
[Black "González, Víctor"]
[Result "1-0"]
[ECO "C60"]
[PlyCount "86"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura espanola.
} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nb4 $2 {
"Es incluso peor que mi defensa (...Ca5)." (Pollock)} 4. a3 c6 5. Be2 Qa5 6.
O-O Nf6 7. d4 Nxe4 8. Nxe5 (8. Nbd2 $18) 8... d5 9. Nd2 Na6 10. Nxe4 dxe4 11.
Bc4 Be6 12. Bxe6 fxe6 13. Bd2 (13. Qg4 $18) 13... Qd5 14. c4 Qxd4 15. Qh5+ g6
16. Nxg6 hxg6 17. Qxg6+ Kd7 18. Bc3 Bd6 $1 19. g3 (19. Bxd4 $2 Bxh2+ 20. Kh1
Be5+ 21. Kg1 Bh2+ 22. Kh1 $11) 19... Qc5 20. Bxh8 Re8 21. Rad1 Nc7 22. Qg7+ Kc8
23. Qd4 e3 24. fxe3 e5 25. Qxc5 Bxc5 26. Bg7 Bxe3+ 27. Kg2 Bd4 28. b4 Ne6 29.
Rf7 Ng5 30. Rf8 Kd7 31. Rxe8 Kxe8 32. h4 Ne6 33. Bh6 b5 34. cxb5 cxb5 35. Re1
Ke7 36. Be3 Kd6 37. h5 a6 38. h6 Nf8 39. Bxd4 exd4 40. Rf1 Nh7 41. Rf7 {
Apremio de tiempo de las negras.} 41... Ng5 42. Rg7 d3 43. Kf2 Ne4+ {
Apremio de tiempo de las blancas.} 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Ortigala, Gonzalo"]
[Black "Grande, Miguel"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "109"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Bird.
} 1. e3 d5 2. b3 Nf6 3. Bb2 e6 4. f4 g6 (4... c5 5. Nf3 Be7 6.
Bb5+ Bd7 7. a4 O-O 8. O-O Nc6 9. Qe2 a6 10. Bxc6 Bxc6 11. Ne5 Rc8 12. a5 Nd7
$11 {Larsen-Najdorf, olimp. de Lugano 1968.}) 5. Nf3 Bg7 6. Be2 c5 7. O-O O-O
8. Qe1 Nc6 9. d3 b6 10. Nbd2 Bb7 11. Ne5 Qc7 12. g4 Ne8 13. Qg3 Ne7 14. e4 (14.
Rae1 $11) 14... Nd6 15. exd5 Nxd5 16. Ne4 Nxe4 17. dxe4 Nf6 18. g5 Nxe4 19. Qh4
Nd6 20. Rad1 Nf5 21. Qf2 Rfd8 22. h4 Bf8 23. c4 Rxd1 24. Bxd1 Rd8 25. Ng4 Nd4
26. Nf6+ Kh8 27. h5 Bg7 28. Bxd4 Rxd4 29. hxg6 fxg6 30. Qe3 Bxf6 31. gxf6 Qf7
$2 (31... Qd8 $19) 32. Qe5 h6 33. Bg4 Re4 $2 {Apremio de tiempo de las negras.}
(33... Bc8 $11) 34. Qb8+ Kh7 35. Qxa7 (35. Rd1 Bc6 36. Rd8 Qxf6 37. Qc7+ Qg7
38. Qxc6 $18) 35... g5 36. Bf3 Kg6 (36... Rxf4 37. Qxb7 Qxb7 38. Bxb7 Rxf1+ 39.
Kxf1 Kg6 40. Bf3) 37. Bxe4+ Bxe4 38. Qxf7+ Kxf7 39. fxg5 hxg5 40. Rd1 Kxf6 41.
Rd6 Bb1 42. a3 Kf5 43. Rxb6 Ba2 44. Rb5 e5 45. a4 Kf4 46. a5 e4 47. a6 e3 48.
Kf1 Bb1 49. a7 Be4 50. Rxc5 g4 51. Rd5 g3 52. a8=Q g2+ 53. Kg1 Bxd5 54. Qxd5 e2
55. Qd2+ 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Salazar, Ezequiel"]
[Black "Lujambio, Arturo"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "68"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Najdorf/Opocensky.
} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 {"El planteamiento negro consiste
en que su control de importantes casillas centrales, sumado a las
posibilidades de expansion en el flanco de dama, deben compensar ampliamente
la debilidad de su peon dama retrasado." (Fischer)} 7... Be6 8. O-O Be7 9. Be3
b5 (9... O-O {es la linea principal.}) 10. a3 Nbd7 11. f4 exf4 12. Bxf4 Ne5 13.
Qd4 Qc7 14. Rad1 O-O 15. Qe3 Ng6 (15... Nc4 16. Bxc4 Bxc4 $11) 16. Nd4 (16. Bg3
$14) 16... Nxf4 17. Qxf4 Qc5 18. Kh1 Rac8 19. Bf3 Qe5 20. Qxe5 dxe5 21. Nf5 $2
(21. Nxe6 fxe6 22. Rd3 $15) 21... Bc5 (21... Bxf5 22. exf5 Bxa3 $19) 22. Rd2 (
22. Nd6 $17) 22... Rfd8 23. Rfd1 Rxd2 24. Rxd2 g6 25. Ng3 b4 26. Nd5 Bxd5 27.
exd5 bxa3 28. bxa3 Bxa3 29. Be2 a5 30. c4 Kf8 31. Nf1 Ne4 32. Ra2 Bb4 33. Ng3
Nc3 34. Rc2 Nxd5 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.07"]
[Round "8"]
[White "Rossi, Miguel"]
[Black "Barrios, Sergio"]
[Result "1-0"]
[PlyCount "0"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Ausencia.}  1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Maidana, Cristián"]
[Black "Sanhueza, Cristián"]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "122"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura Reti.
} 1. Nf3 Nf6 2. g3 g6 3. b4 {
Apertura favorita de Smyslov, con la cual obtuvo notables triunfos.} 3... Na6
$5 4. b5 Nc5 5. a4 Bg7 6. Bg2 O-O 7. O-O a6 8. Bb2 d5 9. d3 Nfd7 10. Bxg7 Kxg7
11. Nbd2 e5 12. Nxe5 Nxe5 13. d4 Ned7 14. dxc5 Nxc5 15. Nf3 Ne4 16. Qd4+ Qf6
17. Ne5 Re8 (17... axb5 18. axb5 Rxa1 19. Rxa1 Nxf2 20. Rf1 Re8 21. Rxf2 Qxe5
22. Qxd5 Qxd5 23. Bxd5 f6 $11) 18. f4 Qb6 19. Qxb6 cxb6 20. Bxe4 dxe4 21. Nc4
Bg4 22. Kf2 axb5 23. axb5 Rxa1 24. Rxa1 Rc8 25. Ne3 Bd7 26. c4 Be6 27. Ra7 Rc7
28. Ke1 Rd7 29. g4 Kf6 30. Ra8 Rc7 31. Ra4 Rd7 32. Kf1 Rc7 $4 {#} (32... Rd4
$14) 33. Kf2 $4 (33. f5 gxf5 34. gxf5 Bd7 35. Nd5+ $18) 33... Rd7 34. Ra8 Rc7
35. Rb8 Ke7 36. f5 gxf5 {Apremio de tiempo de las blancas.} 37. gxf5 Bxc4 38.
Nxc4 Rxc4 39. Rxb7+ Kf6 40. Rxb6+ Kxf5 41. Rh6 Rb4 42. Rxh7 (42. Ke3 $14) 42...
Kg6 43. Rh4 f5 44. Ke3 Rxb5 (44... Kg5 45. Rh8 f4+ 46. Kf2 Rxb5 $15) 45. Rh8
Rb3+ 46. Kf4 Rb2 47. Rg8+ Kf6 48. Rf8+ Kg6 49. Rxf5 Rxe2 50. Rg5+ Kf6 51. Rh5
Kg6 52. Rh3 Re1 53. Rg3+ Kf6 54. h4 e3 55. Kf3 e2 56. Rh3 Kg6 57. Kf2 Rf1+ 58.
Kxe2 Rf8 59. Ke3 Kh5 60. Rh1 Rg8 61. Ra1 $5 Rg4 $1 $11 (61... Kxh4 $4 62. Rh1+
Kg5 63. Rg1+ Kf6 64. Rxg8 $18) 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Quattordio, Juan José"]
[Black "Sánchez, Christian"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "70"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Gambito de flanco.
} 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4
5. a3 Nc6 6. d4 (6. axb4 Bxb4 7. c3 Be7 8. d4 f6 9. Bd3 fxe5 10. dxe5 Nh6 11.
Bxh6 gxh6 12. O-O O-O 13. Ra4 Rf7 $13 {Salmensuu - Crawley, Tanta 2000}) 6...
f6 7. Bd3 fxe5 8. dxe5 Be7 9. h4 (9. O-O $44) 9... Qc7 10. O-O Nh6 11. Bxh6
gxh6 12. axb4 O-O 13. Qe2 Nxb4 14. Nbd2 Nxd3 15. Qxd3 (15. cxd3 $5) 15... Bd7
16. Qe3 Kg7 (16... a5 $1 17. Qxh6 Qxc2 $17) 17. Nh2 Bxh4 18. Ndf3 Qc4 (18...
Be7 19. Ng4 Qxc2 20. Qxh6+ Kh8 21. Rfc1 Qf5 22. Rc7 Qxg4 23. Rxd7 Rf7 $19) 19.
Rfd1 (19. Rxa7) 19... Bg5 (19... Be7) 20. Nxg5 hxg5 21. Qxg5+ Kh8 22. Qe7 Qe2
23. f3 Qe3+ (23... Rg8 24. Ng4 Rg7 $17) 24. Kh1 Bc6 25. Ng4 Qf4 26. Qxe6 Rae8
27. Qd6 Rf5 28. Ra3 Rg8 $5 {!Celada!} 29. Nf6 $4 {#} (29. Rad3) 29... Rxe5 30.
Ne4 (30. Nxg8 Rh5+ 31. Kg1 Qxd6 $19) 30... dxe4 31. Qd4 Qh6+ 32. Kg1 Qg7 33.
Rd2 exf3 34. Ra1 fxg2 35. c3 Rh5 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Ortigala, Gonzalo"]
[Black "Di Benedetto, Guillermo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "142"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Alapin.
} 1. e4 c5 2. c3 d5 {"Esta jugada parece
la mas logica para aprovechar la pausa causada por la segunda movida blanca:
libera el centro, sin eliminar, sin embargo, la tension en esa zona."
(Tartakower)} 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3
Qa5 9. Be3 Nf6 10. O-O Bb4 11. Qb3 O-O 12. h3 Bh5 13. a3 Bxc3 14. bxc3 Qc7 (
14... Nd5 15. Rac1 Qc7 16. c4 Nxe3 17. Qxe3 Rfd8 18. Rfd1 Ne7 19. g4 Bg6 20.
Ne5 $13 {Kramnik-Kasparov, Paris 1994.}) 15. Rfe1 Na5 16. Qb2 (16. Qb5 $11)
16... Nd5 17. Bd2 Bxf3 18. Bxf3 Nc4 19. Qa2 Rac8 20. Rac1 Qa5 21. Re2 Rfd8 22.
Be1 Qxa3 23. Qb1 Qe7 24. Qb5 (24. Be4 $17) 24... a6 25. Qb3 Nf4 26. Rec2 Rc7
27. Kh2 e5 28. g3 e4 29. Bh1 Nd3 30. Rd1 b5 (30... f5 $18) 31. Re2 Nxe1 32.
Rxe4 Qf6 33. f4 Nd6 34. Rexe1 Rdc8 (34... h5 $17) 35. Rd3 a5 36. Rde3 h6 37.
Bf3 g6 38. Bg4 Rb8 39. Qd5 Rd8 40. Qe5 Kg7 41. Kg2 a4 42. Be2 Rb8 43. Rb1 a3
44. Ra1 b4 (44... Ra8 $15) 45. Qxf6+ Kxf6 46. cxb4 Nf5 47. Rexa3 Nxd4 48. Ra6+
Kg7 49. R1a2 Rxb4 $11 50. Kf2 Re7 51. R6a3 Nf5 52. Bg4 Nd6 53. Bf3 h5 54. Re3
Rc7 55. Ree2 $2 (55. h4 $11) 55... h4 56. Rec2 hxg3+ 57. Kxg3 Nf5+ 58. Kf2 $2 (
58. Kh2 Rxc2+ 59. Rxc2 Rxf4 60. Bg4 $17) 58... Rxc2+ 59. Rxc2 Rxf4 {
Apremio de tiempo de las blancas.} 60. Rc3 Nh4 61. Kg3 Rxf3+ 62. Rxf3 Nxf3 63.
Kxf3 {Mate en 21.} 63... Kh6 64. Kg4 f6 65. Kh4 g5+ 66. Kg4 Kg6 67. Kf3 Kh5 68.
Kg3 f5 69. Kf3 Kh4 70. Kg2 f4 71. Kh2 f3 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Rodríguez, Laureano"]
[Black "Martínez Dorr, Fernando"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "96"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa francesa. Variante del avance.
} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6
5. Nf3 Bd7 {"Uno de los mayores problemas en la defensa francesa es el
desarrollo del alfil dama. Esta es una tentativa de cambiarlo al principio de
la partida." (Sokolski)} 6. Be2 Bb5 7. dxc5 Bxc5 8. O-O Bxe2 9. Qxe2 Qa6 10.
Qc2 (10. Qxa6 Nxa6 11. Nbd2 Ne7 12. Nb3 Bb6 13. Re1 O-O $11 {
Ivanovic-Beliavski, camp. de Yugoslavia 1994.}) (10. Qd1 $5) 10... Ne7 11. b4
Bb6 12. a4 Qc4 13. Nbd2 Qg4 14. a5 Bc7 15. Qa4+ Nd7 16. Re1 Rd8 17. h3 Qf5 18.
Nf1 O-O 19. Ng3 Qg6 20. Nh4 Qd3 21. Bg5 Rfe8 22. Rad1 Qc4 23. Nf3 h6 24. Rd4
Qa6 (24... Qc6 $11) 25. Bxe7 Rxe7 26. Qd1 Qc6 27. Qd2 Rf8 (27... f6 $14) 28.
Rg4 (28. Nh5 $40 f6 29. exf6 Nxf6 30. Nxf6+ Rxf6 31. Rxd5 $16) 28... f5 29. Rg6
Kh7 $2 (29... Rff7 $14) 30. Nd4 Kxg6 (30... Qa6 31. Ngxf5 Kxg6 32. Nxe7+ Kf7
33. Nxd5 $18) 31. Nxc6 bxc6 32. f4 Rb8 33. Ne2 c5 34. Rc1 Kh7 35. Kh2 Bd8 36.
c4 dxc4 37. bxc5 Nxc5 38. Qd6 Rc7 39. Rxc4 Rbc8 40. Rc1 Rc6 41. Qd1 (41. Qd2)
41... Bxa5 42. Nd4 Ra6 43. Qe2 Rb6 44. Qa2 Ra6 45. Nxe6 Bc3 46. Qe2 Rxe6 47.
Rxc3 Rec6 {Apremio de tiempo de las negras.} 48. Qc2 g6 {
Apremio de tiempo de las blancas.} (48... g6 49. e6 $18) 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Pérez Cascella, Julio"]
[Black "Quercia, Abel"]
[Result "1/2-1/2"]
[ECO "D04"]
[PlyCount "68"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura de peon de dama.
} 1. Nf3 Nf6 2. b3 d5 3. Bb2 {"La estructura
blanca esta animada por un fuerte pensamiento posicional: pasajera retencion
de los peones centrales, dominio y ocupacion del escaque e5 con el caballo y
eventual avance f4, con la consiguiente apertura del centro o ataque al rey
con f5." (Schmidt)} 3... Bf5 4. e3 e6 5. d4 h6 (5... Nbd7 6. Be2 Bb4+ 7. c3 Bd6
8. Nh4 Bxb1 9. Rxb1 Ne4 10. Nf3 f5 11. O-O c6 12. c4 Qf6 $11 {
Gulko-Zaitsev, camp. de URSS 1968.}) 6. Be2 Be7 7. O-O O-O 8. c4 c6 9. Ne5 Nbd7
10. f4 Ne4 11. Qc1 Rc8 12. Nd2 Nxd2 13. Qxd2 Nf6 14. Rac1 Ne4 15. Qe1 a6 16. c5
a5 17. Bc3 Ra8 18. a3 f6 19. Nd3 b6 20. b4 b5 21. Bb2 a4 $11 22. Kh1 g5 23. g4
Bg6 24. Rd1 Kg7 25. Bf3 Qd7 26. Qe2 Bd8 27. Qg2 Bc7 28. h3 Rae8 29. Qh2 Qc8 30.
Kg1 Qb8 31. Be2 Re7 32. Qg2 Ree8 33. Rf3 Qc8 34. Qh2 Qb8 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Rucci, Miguel"]
[Black "Mangiaterra, Ricardo"]
[Result "1/2-1/2"]
[ECO "A57"]
[PlyCount "25"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Gambito Benkoe.
} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Qc2 {"Las blancas
intentan ocupar el centro con e4 sin perder el derecho a enrocar." (McDonald)}
5... d6 6. e4 g6 7. Nf3 Bg7 8. bxa6 (8. Nc3 O-O 9. a4 axb5 10. Bxb5 Na6 11. h3
Ne8 12. O-O Nec7 13. Bc4 Nb4 14. Qe2 Ba6 15. Bxa6 Rxa6 16. Rd1 Re8 17. Be3 Qa8
18. Rd2 Ra5 $5 19. Rc1 Qa6 20. Qd1 Qb7 21. h4 $1 Nba6 22. h5 Qb4 23. hxg6 fxg6
24. Ng5 c4 25. Qf3 $1 $16 {Schmidt-Bellon, olimp. de Lucerna 1982.}) 8... O-O
9. h3 Nxa6 10. Nc3 e6 11. dxe6 Bxe6 12. Bxa6 Rxa6 13. O-O 1/2-1/2

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Lujambio, Arturo"]
[Black "González, Víctor"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "62"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa Chigorin.
} 1. d4 d5 2. Nf3 Nc6 3. Bf4 {
"Una jugada demasiado prudente." (Palau)} 3... Bf5 4. e3 e6 5. Bd3 (5. Be2 Bd6
6. c3 Nge7 7. Qb3 O-O 8. Bg3 a6 9. Nbd2 Na5 10. Qd1 b5 11. Nh4 Nc4 12. Nxc4
bxc4 13. b3 cxb3 14. axb3 a5 $11 {Hort-Cuartas, Biel 1981.}) 5... Nge7 6. O-O
f6 $5 7. Re1 (7. c4 $14) 7... g5 8. Bg3 Bxd3 9. Qxd3 Qd7 10. a3 O-O-O 11. c4
Nf5 (11... h5 $15) 12. cxd5 exd5 13. Nc3 a6 14. b4 b5 15. Rec1 h5 {#} 16. h3 $2
(16. Nxb5 $1 axb5 17. Qxb5 Nxg3 18. Rxc6 Ne4 19. Rac1 $18) 16... Nxg3 17. fxg3
g4 18. Nh4 gxh3 19. Nxb5 $2 (19. Ng6 Rg8 20. Nf4 $11) 19... axb5 20. Qxb5 Nb8
21. Qa5 $2 (21. Qxd7+ Nxd7 22. gxh3 $17) 21... Rg8 22. Nf5 Rg5 23. g4 Rxg4 24.
Rc3 Rxg2+ 25. Kh1 c6 26. Rac1 Qc7 27. Rxc6 Nxc6 28. Qa6+ Kd7 29. Ng3 Qxg3 30.
Qxc6+ Ke7 31. Qc5+ Kf7 0-1

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Salazar, Ezequiel"]
[Black "Rossi, Miguel"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "45"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Defensa siciliana. Variante Scheveningen.
} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.
Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 {"Para prevenir la expansion negra en el
flanco de dama, pero tiene el inconveniente de que cede la casilla b4."
(Bolbochan)} 7... Be7 8. O-O Nc6 9. Kh1 Bd7 10. f4 Nxd4 11. Qxd4 Bc6 12. Bf3
O-O 13. Be3 Re8 (13... Nd7 14. Rad1 Qc7 15. Nd5 exd5 16. exd5 Bxa4 17. Qxa4 Bf6
18. c3 b5 19. Qc2 Rfe8 20. Bf2 Qc4 $1 $11 {Vogt-Grigorian, Baku 1980.}) 14.
Rad1 Rc8 15. g4 b5 16. g5 Nd7 17. h4 $6 (17. axb5 axb5 18. Ra1 $11) 17... bxa4
18. f5 exf5 19. exf5 Bxf3+ 20. Rxf3 Ne5 21. Rf4 Rc4 $2 (21... a3 22. bxa3 Bf8
$15) 22. Qxe5 Qa8+ $2 (22... Bxg5 23. Rxc4 Rxe5 24. Bxg5 Qb8 $16) 23. Qd5 1-0

[Event "Mayor"]
[Site "Rosario"]
[Date "2006.12.09"]
[Round "9"]
[White "Grande, Miguel"]
[Black "Barrios, Sergio"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "53"]
[EventDate "2006.11.18"]
[SourceDate "2006.11.18"]

{Apertura de peon de dama.
} 1. d4 d5 2. Nf3 Bg4 {"Esto lo jugaba Chigorin
con mas o menos exito; el movimiento tiene solamente la ventaja de que
sorprende al rival." (Gelenczei)} 3. Bf4 Nf6 4. h3 Bh5 5. e3 e6 6. c4 c6 (6...
Bb4+ 7. Nc3 c5 8. a3 Bxc3+ 9. bxc3 Qa5 10. Rc1 Nbd7 $13 {
Kovacevic-Lobron, Zagreb 1985.}) 7. Nc3 Bb4 8. Qb3 Qa5 9. Rc1 O-O 10. g4 Bg6
11. Nh4 Nbd7 12. Nxg6 fxg6 13. Bd3 Ne4 $2 (13... g5 $1 $11 14. Bxg5 $2 dxc4 15.
Bxc4 Bxc3+ 16. bxc3 Qxg5 17. Bxe6+ Kh8 18. Qxb7 Ne4 $15) 14. cxd5 cxd5 15. Bxe4
dxe4 16. Qxe6+ Rf7 17. O-O Nf6 18. a3 $2 (18. Nxe4 Nxe4 19. Qxe4 $18) 18...
Bxc3 19. Rxc3 Re8 $2 (19... Qd5 $14) 20. Rc8 Qb5 $2 (20... Rxc8 21. Qxc8+ Rf8
22. Qxb7 $18) 21. Rfc1 Qd7 22. Rxe8+ Nxe8 23. Qxe4 Qd8 24. Qe6 Kf8 25. Rc8 Re7
26. Bd6 Qc7 27. Rxc7 1-0