Sicilian DefenseB30

Visgandis B.
Holland B. (63)

LDCL 4
12.?


B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. c3 d5 5. exd5 exd5 6. Be2 Nf6 7. d4 last book move 7... c4 Black has a very active position 8. O-O Be7 White has a cramped position 8... Bd6 9. b3= 9. Re1 O-O Black castles and improves king safety 10. Qc2 Ne4 10... Re8 11. Be3= 11. Nbd2 White threatens to win material: Nd2xe4 11. Bxc4!? Nxf2 Demolishes the pawn shield 12. Qxf2 dxc4 13. Bf4 11... Bf5= 12. Qa4 a6 13. Nxe4 Bxe4 White has a cramped position 14. Ne5? 14. Qd1= 14... Qc8?? Black has let it slip away 14... Nxe5 15. dxe5 Bc5 15. f3 White threatens to win material: f3xe4 15... b5 Black threatens to win material: b5xa4 16. Qd1 Bf5 17. g4 17. Bxc4!? should be investigated more closely 17... dxc4 18. Nxc6 Qxc6 19. Rxe7 17... Be6 17... Nxe5 18. dxe5 Bg6 19. f4 18. Bf4 White has a cramped position 18. f4 Nxe5 19. dxe5 Bh4= 18... Bh4 Black threatens to win material: Bh4xe1 18... Nxe5 19. Bxe5 Qd7 19. Rf1? 19. Bg3 Bxg3 20. hxg3 Ne7 19... f6 19... Ne7!? 20. Be3 f6 20. Nxc6 Qxc6 21. Kh1 21. Bg3 Bxg3 22. hxg3 21... Qe8 21... Rae8 22. Bg3 Bxg3 23. hxg3 22. Rg1 22. Bd6!? deserves consideration 22... Rf7 23. f4= 22... Qe7 23. Qf1 Rae8 24. Rg2 24. Bd1 Bg5 25. Bc1 Bxc1 26. Rxc1 b4 24... Kh8 24... b4 25. Qc1 25. Rd1 g6 25... a5 26. Bd2 26. Bg3 g5 26... Bxg3 27. hxg3 f5 28. gxf5 Bxf5 29. Qg1 27. Rd2 27. Bxh4 gxh4 28. f4 b4= 27... Qg7 27... Bxg3 28. hxg3 f5 29. gxf5 Bxf5 30. Rf2 28. Bd1 28. Bxh4 gxh4 29. f4 Qh6 28... Bf7 28... Bxg3!? 29. hxg3 f5 29. Bxh4 gxh4 30. Qf2 White threatens to win material: Qf2xh4 30. f4!? should not be overlooked 30... Qh6= 31. h3 Bg6 32. f4 Be4 Black pins: Be4xg2 33. Bf3 Rf7 33... Qxf4 34. Bxe4 Rxe4 35. Qxh4 Qf1+ 36. Kh2 34. Bxe4 Rxe4 A beautiful square! Less advisable is 34... dxe4 35. Qe3 35. Re2 Rfe7 35... Rxe2 36. Qxe2 Qxf4= 36. Qf3?? forfeits the advantage 36. Rxe4!? is worthy of consideration 36... Rxe4 37. g5 fxg5 38. Rxg5 36... Qg6 36... Rxf4 37. Qxf4 Qxf4 38. Rxe7 b4 39. cxb4 Qxd4 37. Qf2?? 37. Rxe4 would hold out 37... Qxe4 38. Qxe4 Rxe4 39. Rf2= 37... Rxe2 38. Qf3 Qe4 38... Qb1+ 39. Kh2 Qxb2 40. a3 Rxg2+ 41. Qxg2 Re2 42. Qxe2 Qxe2+ 43. Kg1 Qe3+ 44. Kg2 Qg3+ 45. Kf1 Qxh3+ 46. Kf2 Qg3+ 47. Ke2 Qd3+ 48. Kf2 Qd2+ 49. Kf3 Qxc3+ 50. Ke2 Qd3+ 51. Kf2 Qc2+ 52. Ke3 Qe4+ 53. Kf2 Qxf4+ 54. Ke2 Qxg4+ 55. Kf2 Qg3+ 56. Kf1 Qf3+ 57. Ke1 c3 58. a4 c2 59. Kd2 Qd1+ 60. Ke3 c1=Q+ 61. Kf2 Qf1# 39. Qxe4 R7xe4 Weaker is 39... dxe4 40. Rxe2 h5 41. gxh5 39... R2xe4 is easily refuted 40. Rf2 40. f5 Rxg2 41. Kxg2 Re2+ 42. Kf3 Rxb2 43. g5 Kg7 44. Kg4 Rg2+ 44... b4 45. Kxh4 bxc3 46. gxf6+ Kxf6 47. a3 c2 48. Kh5 c1=Q 49. h4 Qd1+ 50. Kh6 Qg4 51. Kxh7 Qg7# 45. Kxh4 Rxg5 46. a4 46. a3 hardly improves anything 46... a5 47. a4 b4 48. cxb4 axb4 49. a5 b3 50. a6 b2 51. a7 b1=Q 52. a8=Q Qe1# 46... bxa4 1/2-1/2 [Fritz 9 (10s)]

Game(s) in PGN