[Event "Koltanowski Memorial op"] [Site "San Francisco"] [Date "2000.12.15"] [Round "2"] [White "Ivanov, Igor V"] [Black "Mezentsev, Vladimir"] [Result "0-1"] [GameId "DZ94ckgz"] [WhiteElo "2472"] [BlackElo "2376"] [Variant "Standard"] [TimeControl "-"] [ECO "D06"] [Opening "Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.27] } 1... d5 { [%eval 0.25] } 2. c4 { [%eval 0.22] } 2... Bf5?! { (0.22 → 0.81) Inaccuracy. e6 was best. } { [%eval 0.81] } (2... e6 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 exd5 9. Bd3) 3. Nc3 { [%eval 0.28] } 3... e6 { [%eval 0.16] } 4. Qb3 { [%eval 0.14] } { D06 Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred } 4... Nc6 { [%eval 0.14] } 5. Nf3?! { (0.14 → -0.45) Inaccuracy. cxd5 was best. } { [%eval -0.45] } (5. cxd5 exd5 6. Nf3 Bb4 7. Bd2 Nf6 8. a3 Bxc3 9. Bxc3 Rb8 10. e3 O-O 11. Bb5 Ne4) 5... Nb4 { [%eval -0.79] } 6. e4 { [%eval -0.79] } 6... dxe4 { [%eval -0.82] } 7. c5 { [%eval -0.81] } 7... a5 { [%eval -0.74] } 8. a3 { [%eval -0.74] } 8... exf3 { [%eval -0.8] } 9. axb4 { [%eval -0.94] } 9... Qxd4?! { (-0.94 → 0.00) Inaccuracy. axb4 was best. } { [%eval 0.0] } (9... axb4 10. Rxa8 Qxa8 11. Qxb4 Nf6 12. gxf3 Be7 13. Be2 O-O 14. Bf4 c6 15. O-O b5 16. Re1) 10. Be3 { [%eval 0.0] } 10... Qd7 { [%eval 0.01] } 11. bxa5 { [%eval -0.04] } 11... c6 { [%eval -0.29] } 12. Na4?! { (-0.29 → -1.17) Inaccuracy. gxf3 was best. } { [%eval -1.17] } (12. gxf3 Be7) 12... Rxa5 { [%eval -1.11] } 13. Rd1?! { (-1.11 → -1.95) Inaccuracy. gxf3 was best. } { [%eval -1.95] } (13. gxf3 Be7) 13... Qc7 { [%eval -1.87] } 14. g4?! { (-1.87 → -2.78) Inaccuracy. gxf3 was best. } { [%eval -2.78] } (14. gxf3 Nf6) 14... Bg6 { [%eval -2.52] } 15. Qb4 { [%eval -3.05] } 15... b5?! { (-3.05 → -1.88) Inaccuracy. Nf6 was best. } { [%eval -1.88] } (15... Nf6 16. Nb6 Rxc5 17. Qa3 Qb8 18. Bxc5 Qe5+ 19. Qe3 Qxc5 20. Qxc5 Bxc5 21. Na4 Bb4+ 22. Nc3) 16. Nc3 { [%eval -1.87] } 16... Be7?! { (-1.87 → -0.99) Inaccuracy. Ne7 was best. } { [%eval -0.99] } (16... Ne7) 17. Nxb5? { (-0.99 → -2.43) Mistake. Bxb5 was best. } { [%eval -2.43] } (17. Bxb5 Ra8 18. Qf4 Qc8 19. Bc4 Nf6 20. Qxf3 h5 21. h3 Nd7 22. Qg2 Nxc5 23. f4 Rb8) 17... cxb5 { [%eval -2.18] } 18. Bxb5+ { [%eval -2.7] } 18... Kf8 { [%eval -2.7] } 19. Rd7 { [%eval -2.67] } 19... Ra1+?! { (-2.67 → -1.52) Inaccuracy. Qb6 was best. } { [%eval -1.52] } (19... Qb6 20. Rxe7 Qxb5 21. Qxb5 Rxb5 22. Ra7 Be4 23. O-O Ne7 24. Rfa1 Nc6 25. Rc7 Rb8 26. Bf4) 20. Kd2 { [%eval -1.23] } 20... Qa5 { [%eval -1.16] } 21. Qxa5 { [%eval -1.55] } 21... Rxa5 { [%eval -1.81] } 22. Rb7 { [%eval -2.06] } 22... Ra8?! { (-2.06 → -1.40) Inaccuracy. f5 was best. } { [%eval -1.4] } (22... f5) 23. Ra1 { [%eval -1.19] } 23... Rd8+ { [%eval -1.01] } 24. Rd7 { [%eval -1.21] } 24... Rxd7+? { (-1.21 → 0.08) Mistake. Rc8 was best. } { [%eval 0.08] } (24... Rc8 25. Raa7 h6 26. Rac7 Re8 27. Rxe7 Nxe7 28. Bxe8 Kxe8 29. b4 h5 30. Rb7 Rh7 31. Rb8+) 25. Bxd7 { [%eval 0.0] } 25... Be4 { [%eval 0.0] } 26. Ra4 { [%eval 0.0] } 26... Bd5 { [%eval 0.0] } 27. c6 { [%eval 0.0] } 27... Bd6 { [%eval 0.0] } 28. Kc3? { (0.00 → -1.65) Mistake. Ra8+ was best. } { [%eval -1.65] } (28. Ra8+ Ke7 29. Kc3 Kf6 30. b4 h5 31. gxh5 Rxh5 32. Rxg8 Rh4 33. b5 Be5+ 34. Kd2 Ra4) 28... Ke7? { (-1.65 → 0.00) Mistake. g6 was best. } { [%eval 0.0] } (28... g6) 29. Ra8 { [%eval -0.16] } 29... Bxh2 { [%eval 0.08] } 30. Bc5+ { [%eval 0.08] } 30... Kf6 { [%eval 0.18] } 31. b4 { [%eval -0.16] } 31... Kg5? { (-0.16 → 1.12) Mistake. h5 was best. } { [%eval 1.12] } (31... h5 32. Bd4+ e5 33. Bb6 Bxc6 34. Bxc6 hxg4 35. b5 Bg1 36. Ra1 Bxf2 37. Bxf2 Ne7 38. Be4) 32. Bd4 { [%eval 0.94] } 32... f6? { (0.94 → 2.14) Mistake. h5 was best. } { [%eval 2.14] } (32... h5 33. gxh5 Bf4 34. Bxg7 Rxh5 35. Rxg8 Kf5 36. Rf8 Bd6 37. b5 Bxf8 38. Bxf8 Rh1 39. Bd6) 33. b5 { [%eval 1.87] } 33... Kxg4 { [%eval 2.21] } 34. b6 { [%eval 2.24] } 34... h5?? { (2.24 → 5.56) Blunder. Bxc6 was best. } { [%eval 5.56] } (34... Bxc6 35. Bxc6) 35. b7?? { (5.56 → 0.00) Blunder. c7 was best. } { [%eval 0.0] } (35. c7 Bb7 36. Bxe6+ Kg5 37. c8=Q Bxc8 38. Rxc8 h4 39. Bxg8 h3 40. Be3+ Kh4 41. b7 Be5+) 35... h4 { [%eval 0.0] } 36. b8=Q { [%eval 0.0] } 36... Bxb8 { [%eval 0.0] } 37. Rxb8 { [%eval -0.08] } 37... h3?? { (-0.08 → 1.80) Blunder. Bxc6 was best. } { [%eval 1.8] } (37... Bxc6 38. Bxe6+ Kf4 39. Bb6 Ke5 40. Rxg8 Rxg8 41. Bxg8 g5 42. Bc7+ Ke4 43. Bb3 Kf5 44. Kd2) 38. c7 { [%eval 1.8] } 38... h2 { [%eval 1.8] } 39. c8=Q { [%eval 1.8] } 39... h1=Q { [%eval 1.8] } 40. Bxe6+ { [%eval 1.79] } 40... Bxe6 { [%eval 2.03] } 41. Qxe6+ { [%eval 1.88] } 41... Kh5 { [%eval 1.7] } 42. Qf5+ { [%eval 1.62] } 42... g5 { [%eval 1.7] } 43. Rb1 { [%eval 1.86] } 43... Qg2? { (1.86 → 3.60) Mistake. Qh2 was best. } { [%eval 3.6] } (43... Qh2) 44. Re1?! { (3.60 → 2.29) Inaccuracy. Qc8 was best. } { [%eval 2.29] } (44. Qc8) 44... Nh6 { [%eval 2.41] } 45. Qxf6 { [%eval 2.74] } 45... Rc8+ { [%eval 2.59] } 46. Kd2 { [%eval 2.39] } 46... Qh3 { [%eval 2.49] } 47. Re6 { [%eval 2.64] } 47... Qf5 { [%eval 2.5] } 48. Qxh6+ { [%eval 2.23] } 48... Kg4 { [%eval 2.13] } 49. Qg6?? { (2.13 → 0.00) Blunder. Ke3 was best. } { [%eval 0.0] } (49. Ke3 Qf4+ 50. Kd3 Rc1 51. Qf6 Rd1+ 52. Kc4 Qc7+ 53. Rc6 Rc1+ 54. Bc3 Qf4+ 55. Qxf4+ gxf4) 49... Qa5+ { [%eval 0.0] } 50. Kd3 { [%eval 0.0] } 50... Qb5+ { [%eval 0.0] } 51. Ke4 { [%eval 0.0] } 51... Rd8 { [%eval 0.0] } 52. Rd6 { [%eval 0.0] } 52... Re8+ { [%eval 0.0] } 53. Re6 { [%eval 0.0] } 53... Rf8 { [%eval 0.0] } 54. Be3 { [%eval 0.0] } 54... Rf5 { [%eval 0.0] } 55. Bxg5?? { (0.00 → -10.37) Blunder. Rd6 was best. } { [%eval -10.37] } (55. Rd6 Qb7+ 56. Kd3 Qb3+ 57. Kd2 Qb2+ 58. Kd3 Qb3+) 55... Rxg5 { [%eval -5.65] } 56. Qe8?? { (-5.65 → Mate in 9) Checkmate is now unavoidable. Qf6 was best. } { [%eval #-9] } (56. Qf6 Qe2+) 56... Qe2+ { [%eval #-16] } 57. Kd4 { [%eval #-16] } 57... Qxf2+ { [%eval #-15] } 58. Re3 { [%eval #-15] } 58... Qd2+ { [%eval #-14] } 59. Kc4 { [%eval #-14] } 59... Qd5+ { [%eval #-14] } 60. Kc3 { [%eval #-14] } 60... Qa5+ { [%eval #-13] } 61. Kd4 { [%eval #-3] } 61... Qc5+ { [%eval #-2] } { White resigns. } 0-1