Con ECO = B56

Amador - Cruz Lima

Campeonato de Cuba XXXV Las Tunas 1996

Siciliana B56

[Event "CUB-ch Las Tunas"]
[Site "Las Tunas"]
[Date "1996.??.??"]
[Round "10"]
[White "Rodriguez, Amador"]
[Black "Cruz Lima, Jose M"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2485"]
[BlackElo "2260"]
[Annotator "Rodriguez,Am"]
[PlyCount "71"]
[EventDate "1996.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[EventCategory "8"]
[SourceTitle "CBM 53"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e5 {This move cannot be found at the Chess Informant Encyclopedia. Under section B54 only 4...e6; 4...c6 and of course 4...f6 are considered. After 4...f6 5.c3 e5 is a well known variation, however I could find nearly 30 games with 4...e5 directly in my database.} 5. Bb5+ {Instead all  moves except 5.f5 have been played without success. The bishop check is typical and best, intending to take immediate control of the white squares.} Nd7 (5... Bd7 {looks passive but has been played by both Chiburdanidze and Alexandria.}) 6. Nf5 a6 7. Ba4 $5 {A modern treatment} (7. Bxd7+ Qxd7 8. Nc3 Nf6 {transposes to a well known variation where many games are available, in particular after} 9. Bg5 Nxe4 10. Nxg7+ Bxg7 11. Nxe4 O-O $1 {where Black has resources based on his strong bishops.}) 7... b5 8. Bb3 Nb6 (8... Nc5 $5 9. Bd5 Bxf5 10. exf5 Rc8 11. g4 $6 e4 12. b4 Qf6 13. bxc5 Qxa1 14. Be3 dxc5 15. Bb7 Rc7 16. Bxa6 Bd6 17. Qxd6 Qxb1+ 18. Kd2 Qb4+ 19. Ke2 Rd7 20. Qb8+ Ke7 21. Qe5+ Kd8 22. Qb8+ Ke7 23. Qe5+ Kd8 24. Qb8+ {½-½ De Firmian-Bator/Stockholm 1996}) (8... Ndf6 9. O-O Bxf5 10. exf5 Ne7 11. f4 Nc6 12. Be3 Be7 13. Nc3 O-O 14. Nd5 Rc8 15. c3 Nxd5 16. Qxd5 Qc7 17. a4 Rb8 18. fxe5 dxe5 19. axb5 axb5 20. f6 Bxf6 21. Rxf6 gxf6 22. Qf3 $40 {Stefansson-Johnsen/Gausdal 1990 1-0 (37)}) (8... Ngf6 $2 9. Nxd6+ (9. Nc3 {transposes again to the order 4...f6 5.c3 e5. Here apart from 9...b6 Black has 9...c5 inmediately, a critical line since the square d5 is covered and so 10.d5 is not adviced}) 9... Bxd6 10. Qxd6 $18) 9. Nc3 Nf6 (9... Be6 $5 10. O-O g6 11. Ng3 Bg7 12. f4 exf4 13. Bxf4 Nc4 14. Nd5 Nxb2 15. Qf3 Nc4 16. Bxc4 Bxa1 17. Rxa1 bxc4 18. Rd1 Bxd5 19. Rxd5 Ne7 20. Rxd6 Qa5 21. h3 O-O 22. Rf6 Qxa2 23. Be5 Rac8 24. Qe3 Nc6 25. Bc3 Qxc2 26. Nf5 Rfd8 27. Qh6 {1-0 Hernandez,Gilb-Diaz,JC/Mexico City open (07) 1991}) 10. Bg5 Bxf5 11. exf5 Be7 {Here I thought for some twenty minutes, 12.xf6 had been played successfully in a game I had seen. I decided to play another move order which in fact seems more convenient.} 12. O-O $1 (12. Bxf6 Bxf6 13. a4 O-O 14. O-O e4 (14... bxa4 $5 15. Nxa4 e4 $1 16. Re1 Nxa4 17. Rxa4 Bxb2 18. Bd5 Ra7 {White is better but Black is solid, over the board I was not sure I could manage to launch a decisive attack on the king side.}) 15. axb5 Bxc3 16. bxc3 axb5 17. Rxa8 Nxa8 18. Qd5 Qc7 19. Qxe4 Qxc3 20. Bxf7+ $3 Rxf7 21. Qxa8+ $16 {Riemersma-Hoeksema/Dieren open (03) 1989 1-0 (33)}) 12... O-O (12... Qc7 $6 13. a4 b4 14. Bxf6 Bxf6 15. Ne4 Rd8 16. a5 Nc8 17. Qg4 Kf8 18. Nxf6 gxf6 19. Qxb4 $18 {Hunt-Strutinskaya/Moscow (ol)1994 1-0 (33)}) (12... b4 $5 13. Bxf6 bxc3 14. Bxe7 Qxe7 15. bxc3 O-O {intending to build up a fortress with d7-c5 but there is no doubt that White is better anyway.}) 13. a4 $1 (13. Bxf6 Bxf6 14. a4 {could still transpose to the Riemersma game where} bxa4 $5 15. Nxa4 e4 $1 $14 {is probably the best try to hold the game within a tolerable inferiority.}) 13... b4 $6 (13... Qd7 $142 14. Bxf6 Bxf6 15. axb5 axb5 16. Qf3 $14) (13... bxa4 14. Nxa4 Nfd7 15. Nxb6 (15. Be3 $5) 15... Nxb6 16. Be3 $16) 14. Bxf6 gxf6 $4 {Hard to understand, a serious positional concession, tactically weak too since White may grab a pawn at once if he wishes with g4+} (14... bxc3 $142 15. Bxe7 Qxe7 16. bxc3 $16) (14... Bxf6 15. Ne4 d5 (15... Be7 16. a5 d5 17. axb6 dxe4 18. b7 $16) 16. Nxf6+ Qxf6 (16... gxf6 17. a5 Nc4 18. Bxc4 dxc4 19. Qg4+ Kh8 20. Qxc4 $16) 17. a5 Nc4 18. Qxd5 $16) 15. Nd5 $5 {Deciding to play for the attack not allowing the push d5-d4 that would occur should White accept the pawn.} (15. Qg4+ Kh8 16. Qxb4 d5 17. Qh4 d4 18. Ne4 $16 {was of course playable and strong.}) 15... Nxd5 16. Bxd5 Rb8 17. Re1 $1 Kh8 {The only move, otherwise Black would get mated soon.} 18. Re4 $40 Rg8 $8 {again forced} 19. Bxf7 $16 Rg5 20. Qd3 a5 (20... Rxf5 $2 21. Rh4 $18) 21. Rh4 (21. Be6 $1 { ae1, c4, ee4 +-}) 21... Rg7 22. Bd5 (22. Be6) 22... Rc8 23. Re1 Rc5 24. Ree4 {Here I thought the game would end up quickly} Bf8 $1 $8 (24... Qc8 25. Reg4 Rxc2 (25... Bf8 26. Rxh7+) 26. Rxh7+ $1 Rxh7 27. Qxc2 $1 $18) 25. Rc4 $1 Rxc4 (25... Rgc7 26. Rcg4 Bg7 (26... Rg7 27. Rxh7+) 27. Qh3 h6 28. Rxh6+ Bxh6 29. Qxh6+ Rh7 30. Qxf6+ $1 Qxf6 31. Rg8#) 26. Rxc4 Rc7 27. Rxc7 (27. Be6 $5) 27... Qxc7 28. Kf1 (28. Bc4) 28... Qc5 29. Bb3 Qc6 (29... Bh6 30. Qb5) 30. Qb5 $1 $18 Qxb5+ 31. axb5 d5 32. b6 $1 Bd6 33. Ke2 Kg7 34. Kd3 Kf8 (34... d4 35. Ke4 (35. Kc4) 35... Kf8 36. Kd5 Ke7 37. f3 Bb8 38. Kc6 Kd8 39. Kb7 Bd6 40. Ka8) 35. Bxd5 a4 36. Kc4 (36. Kc4 a3 37. bxa3 bxa3 38. Kb5 Ke7 39. Bb3 { c4}) 1-0