[Event "North American Open"] [Site "Memphis, TN"] [Date "2005.12.28"] [Round "4"] [White "Chouchanik, Airapetian"] [Black "Mitchell, R O."] [Result "0-1"] [ECO "B36"] [WhiteElo "2162"] [BlackElo "2192"] [Annotator "Fritz 9 (30s)"] [PlyCount "120"] [EventDate "2005.??.??"] {B36: Sicilian: Maroczy Bind: Gurgenidze System} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. Bg5 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. O-O Rfc8 {last book move} 13. Nd5 Qxd2 14. Bxd2 Bxd5 15. exd5 { White has the pair of bishops} Ne4 {Black threatens to win material: Ne4xd2} 16. Be3 Bxb2 17. Rb1 {White threatens to win material: Rb1xb2} Bf6 18. Rxb7 Nc3 19. Bd3 Nxa2 20. Bxa7 Nb4 {Black threatens to win material: Nb4xd3} 21. Be2 Na6 22. Be3 Kg7 {Black king safety dropped} 23. Rc1 Nc5 24. Rb5 Ra2 {Black threatens to win material: Ra2xe2} 25. Kf1 Bb2 $4 (25... Ne4 26. Rb6 $11) 26. Rb1 {White threatens to win material: Rb1xb2} (26. Rxb2 $142 {and White has triumphed} Rxb2 27. Bd4+ Kf8 28. Bxb2 $18) 26... Bf6 27. Rc1 {Twofold repetition} Ne4 28. Bd3 Nc5 {Black threatens to win material: Nc5xd3} 29. Be2 { Draw by threefold repetition} Rca8 30. Bxc5 dxc5 31. Rxc5 {Opposite coloured bishops appeared} Rd2 32. Rd1 {White threatens to win material: Rd1xd2} Rc2 33. Bd3 Rxf2+ {Demolishes the pawn shield} 34. Kxf2 {White wins a rook. Decoy theme: f2} Bd4+ {Black forks: f2+c5. A double attack} 35. Kf3 Bxc5 {A valuable piece} 36. Rb1 Ra3 {Black pins: Ra3xd3} 37. Ke2 Ra2+ 38. Kd1 (38. Kf3 $5 $11) 38... Rxg2 $17 {Black has a new passed pawn: f7} 39. Rb5 {White can be proud of that piece} Be3 40. Bf1 (40. Ke1 $5 $17) 40... Rxh2 $19 41. Ke1 Rc2 42. Bd3 Rc3 43. Ke2 Bd4 44. Kd2 h5 45. d6 $2 (45. Rb7 $142 Kf6 46. Rd7 $19) 45... exd6 46. Rb7 Ra3 47. Rd7 Bc5 48. Rc7 (48. Be4 $19 {otherwise it's curtains at once}) 48... Ra2+ 49. Ke1 h4 50. Be4 h3 51. Bd5 Ra7 52. Rxa7 Bxa7 53. Ke2 f5 54. Kf3 ( 54. Be6 Kf6 55. Bd5 g5 $19) 54... g5 55. Bc6 (55. Ke2 g4 $19) 55... Kf6 (55... g4+ 56. Kg3 Bg1 $19) 56. Bd7 (56. Ba8 $19 {what else?}) 56... Bd4 (56... g4+ $142 {and Black can already relax} 57. Kg3 Bg1 $19) 57. Bc8 g4+ 58. Kg3 (58. Ke2 {does not save the day} g3 59. Kd3 g2 60. Ke2 g1=Q 61. c5 Qe3+ 62. Kd1 Qd3+ 63. Kc1 Bxc5 64. Kb2 Ba3+ 65. Ka2 Qc3 66. Bxf5 Qb2#) 58... Kg5 59. Be6 (59. Kh2 {is not much help} f4 60. Bd7 f3 61. Bc6 Kh4 62. Kh1 f2 63. Bg2 hxg2+ 64. Kxg2 g3 65. c5 dxc5 66. Kf1 Kh3 67. Ke2 g2 68. Kd3 f1=Q+ 69. Ke4 g1=Q 70. Kd5 Qf3+ 71. Kd6 Qb7 72. Ke6 Qg6#) 59... f4+ 60. Kh2 Kh4 (60... Kh4 61. Kh1 f3 62. Bd5 f2 63. Bg2 hxg2+ 64. Kxg2 g3 65. Kf3 f1=Q+ 66. Ke4 Qxc4 67. Kf3 Qd3+ 68. Kg2 Qe2+ 69. Kh1 Qf1#) 0-1