[Event "City Championship"] [Site "Memphis"] [Date "2003.02.28"] [Round "?"] [White "Sims, Carlos"] [Black "Sathyan"] [Result "0-1"] [ECO "B32"] [Annotator "Fritz 9 (30s)"] [PlyCount "96"] [EventDate "2003.??.??"] {B32: Sicilian: Löwenthal and Kalashnikov Variations} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Be3 Nf6 {last book move} 9. f3 Be7 (9... d5 10. exd5 Bxa3 11. bxa3 (11. dxe6 {is tempting but does not stand up to the reality of the position} Bxb2 12. exf7+ Kf8) 11... Nxd5 12. Nxd5 Bxd5 13. Qd2) 10. Bc4 (10. Nc4 b5 11. Nb6 Rb8) 10... b5 11. Bd5 {White threatens to win material: Bd5xc6} Qc7 12. Ne2 (12. Nab1 b4 (12... Nxd5 {fails because of} 13. exd5 (13. Nxd5 Bxd5 14. Qxd5 O-O) 13... O-O 14. dxe6 (14. dxc6 Qxc6 15. Ne2 Rac8) 14... fxe6 15. O-O) 13. Ne2 Bxd5 (13... Nxd5 14. exd5 Bf5 15. dxc6) 14. exd5 Nd4 15. Bxd4 exd4 16. Qxd4 Qxc2) 12... Rc8 (12... O-O 13. c3) 13. Qd2 (13. c4 Qa5+ (13... Nxd5 {would be great except for} 14. cxd5 Qa5+ 15. Qd2) 14. Kf2 O-O (14... Nxd5 {is a blank shot} 15. cxd5 O-O 16. Rc1 (16. dxc6 Rxc6 17. Qd2 Qxd2 18. Bxd2 d5))) 13... O-O {Black castles and improves king safety} ({Less advisable is} 13... Nxd5 14. exd5 Bh4+ 15. g3) 14. O-O (14. c3 $5 {should be investigated more closely}) 14... Bxd5 15. exd5 Na5 ( 15... b4 16. dxc6 bxa3) 16. b3 {Covers c4} (16. c3 {is the best option White has}) 16... b4 {decapitation} 17. Rac1 (17. Qxb4 { Deflection from d5} Nxd5 {A double attack}) 17... bxa3 18. c4 Rb8 19. Qd3 (19. Ng3 Nb7) 19... Nd7 20. Qc3 Nb7 21. b4 a5 22. b5 Nbc5 23. Qxa3 Bd8 24. Kh1 Ra8 25. f4 Be7 (25... e4 {keeps an even firmer grip} 26. Nd4) 26. Ng3 (26. fxe5 Nxe5 27. Nd4) 26... Nb6 {gives the opponent new chances} ( 26... e4 {a shame that Black overlooked this excellent chance}) 27. fxe5 dxe5 {White has a new protected passed pawn: d5. Black has a new passed pawn: e5} 28. Nf5 Rfc8 29. Bg1 (29. Bh6 {is worthy of consideration} g6 30. Qf3) 29... Bf8 30. Qg3 g6 (30... f6) 31. d6 {White threatens to win material: d6xc7} Qd8 (31... Qb7 32. Qxe5 Nbd7 33. Ne7+ Bxe7 34. Qxe7 Rf8) 32. Rfd1 {letting the wind out of his own sails} (32. Bxc5 Rxc5 33. Qf2 gxf5 34. Qxc5 Bxd6) 32... Ncd7 { ruins a very nice position} (32... Nbd7 {Black missed this excellent chance}) 33. c5 Qf6 34. Nh4 (34. Ne7+ Bxe7 35. dxe7) 34... Nxc5 $11 {Sacrifices material.} 35. Bxc5 {White has an active position} Nd7 { Black threatens to win material: Nd7xc5. The knight blocks d6} 36. Ba3 Rxc1 { Black has a mate threat} 37. Rxc1 (37. Bxc1 {must definitely be considered} Qe6 38. Nf3) 37... Bxd6 (37... Rc8 38. Rd1 Rc2 39. Nf3 Rxa2 40. Bc1) 38. Bb2 (38. Bxd6 Qxd6 39. Qg4) 38... Nc5 39. Nf3 { White has lost his nerve... understandable when you consider his position} (39. Qf3 Qxf3 40. Nxf3) 39... Nd3 40. Rb1 (40. Rc2 {is no salvation} Nxb2 41. Qe1 Na4) 40... Nxb2 41. Rxb2 (41. Nd2 {is not the saving move} Bb4 42. Ne4 Qf5) 41... e4 42. Qf2 exf3 43. gxf3 (43. Rb1 {is still a small chance} fxg2+ 44. Qxg2) 43... Rc8 44. Rb1 Qf5 45. Rb2 Rc1+ 46. Kg2 Qg5+ 47. Kh3 ( 47. Qg3 {cannot undo what has already been done} Bxg3 48. hxg3 Qh6 49. g4 Rh1 50. Kg3 Rh3+ 51. Kg2 Rh2+ 52. Kg3 Rxb2 53. f4 Qh2+ 54. Kf3 Re2 55. g5 Qg2#) 47... Rg1 (47... Qh5+ 48. Qh4 Qxf3+ 49. Qg3 Qf5+ 50. Qg4 Rc3+ 51. Kg2 Qxg4+ 52. Kf2 Qf3+ 53. Ke1 Rc1+ 54. Kd2 Bf4#) 48. Qh4 (48. Qxg1 {doesn't get the cat off the tree} Qxg1 49. Rg2 Qf1 50. f4 Qxf4 51. Rxg6+ fxg6 52. Kg2 Qe4+ 53. Kf2 Bc5+ 54. Kg3 Qe3+ 55. Kg2 Qf2+ 56. Kh3 Qf3+ 57. Kh4 Be7#) 48... Qf5+ (48... Qf5+ 49. Qg4 Rxg4 50. fxg4 Qf3+ 51. Kh4 h6 52. Re2 g5+ 53. Kh5 Qh3#) 0-1