Event: Round 4: David Saioc - Alexandru Costin
Date: 2023-12-01
White: David Saioc
Black: Alexandru Costin
Result: 0-1
ECO: A07
Opening: King's Indian Attack
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 0:03:01] } 1... d5 { [%eval 0.34] [%clk 0:03:03] } 2. g3 { [%eval 0.12] [%clk 0:03:01] } 2... c6 { [%eval 0.33] [%clk 0:03:03] } 3. Bg2 { [%eval 0.2] [%clk 0:03:02] } 3... Bg4 { [%eval 0.26] [%clk 0:03:04] } 4. d3 { [%eval 0.08] [%clk 0:03:02] } 4... Nd7 { [%eval 0.25] [%clk 0:03:04] } 5. O-O { [%eval 0.16] [%clk 0:03:01] } 5... Ngf6 { [%eval 0.19] [%clk 0:03:05] } 6. Nfd2 { [%eval -0.33] [%clk 0:02:59] } 6... e6 { [%eval 0.14] [%clk 0:03:02] } 7. Qe1 { [%eval 0.12] [%clk 0:03:00] } 7... Bc5 { [%eval 0.09] [%clk 0:02:50] } 8. e4 { [%eval 0.21] [%clk 0:02:59] } 8... dxe4 { [%eval 0.11] [%clk 0:02:44] } 9. dxe4 { [%eval 0.01] [%clk 0:03:00] } 9... O-O { [%eval 0.35] [%clk 0:02:38] } 10. Nc3 { [%eval 0.12] [%clk 0:03:00] } 10... e5 { [%eval 0.16] [%clk 0:02:32] } 11. h3 { [%eval -0.14] [%clk 0:02:59] } 11... Be6 { [%eval -0.32] [%clk 0:02:33] } 12. Kh1 { [%eval -0.27] [%clk 0:02:54] } 12... Ne8 { [%eval -0.17] [%clk 0:02:23] } 13. f4 { [%eval -0.25] [%clk 0:02:53] } 13... f6 { [%eval -0.25] [%clk 0:02:19] } 14. f5 { [%eval -0.32] } 14... Bf7 { [%eval -0.31] } 15. Rf3 { [%eval -0.54] [%clk 0:02:16] } 15... Bb4 { [%eval 0.0] [%clk 0:01:40] } 16. Bf1 { [%eval -0.34] [%clk 0:01:53] } 16... Nd6 { [%eval -0.33] [%clk 0:01:35] } 17. a3 { [%eval -0.46] [%clk 0:01:53] } 17... Bc5 { [%eval -0.39] [%clk 0:01:31] } 18. Na4 { [%eval -0.89] [%clk 0:01:45] } 18... Qa5?? { [%eval 0.97] } { Blunder. Bd4 was best. } { [%clk 0:01:16] } 19. Nxc5 { [%eval 1.0] [%clk 0:01:44] } 19... Qxc5 { [%eval 0.95] [%clk 0:01:17] } 20. Rc3 { [%eval 0.45] [%clk 0:01:33] } 20... Qb6 { [%eval 0.52] [%clk 0:01:16] } 21. Nc4?! { [%eval -0.16] } { Inaccuracy. a4 was best. } { [%clk 0:01:29] } 21... Nxc4 { [%eval -0.17] [%clk 0:01:10] } 22. Bxc4 { [%eval -0.13] [%clk 0:01:30] } 22... Bxc4 { [%eval -0.23] [%clk 0:00:58] } 23. Rxc4 { [%eval -0.22] [%clk 0:01:31] } 23... Rad8 { [%eval 0.22] [%clk 0:00:50] } 24. b3 { [%eval 0.0] [%clk 0:01:32] } 24... Qc7 { [%eval 0.15] [%clk 0:00:40] } 25. Be3 { [%eval -0.07] [%clk 0:01:29] } 25... Nb8?! { [%eval 0.6] } { Inaccuracy. Nb6 was best. } { [%clk 0:00:16] } 26. Rc3 { [%eval 0.17] [%clk 0:01:26] } 26... a6?! { [%eval 1.21] } { Inaccuracy. b6 was best. } { [%clk 0:00:11] } 27. Qe2 { [%eval 0.76] [%clk 0:01:26] } 27... Rf7 { [%eval 1.09] [%clk 0:00:07] } 28. Rd1 { [%eval 0.82] [%clk 0:01:25] } 28... Rxd1+ { [%eval 0.78] [%clk 0:00:07] } 29. Qxd1 { [%eval 0.59] [%clk 0:01:26] } 29... Rd7 { [%eval 0.76] [%clk 0:00:09] } 30. Rd3 { [%eval 0.31] [%clk 0:01:10] } 30... c5 { [%eval 0.57] [%clk 0:00:06] } 31. Rd5 { [%eval 0.6] [%clk 0:00:26] } 31... b6 { [%eval 0.5] [%clk 0:00:06] } 32. Qd3 { [%eval 0.47] [%clk 0:00:25] } 32... Rxd5 { [%eval 0.37] } 33. Qxd5+ { [%eval 0.46] [%clk 0:00:26] } 33... Kf8 { [%eval 0.35] [%clk 0:00:05] } 34. c4 { [%eval -0.02] [%clk 0:00:24] } 34... Nc6 { [%eval 0.0] [%clk 0:00:04] } 35. Kg2 { [%eval -0.06] [%clk 0:00:16] } 35... Ne7 { [%eval -0.03] [%clk 0:00:05] } 36. Qa8+ { [%eval 0.0] [%clk 0:00:15] } 36... Qc8 { [%eval 0.0] [%clk 0:00:06] } 37. Qxc8+ { [%eval -0.19] [%clk 0:00:12] } 37... Nxc8 { [%eval -0.02] [%clk 0:00:08] } 38. b4 { [%eval 0.0] [%clk 0:00:12] } 38... cxb4 { [%eval 0.0] } 39. axb4 { [%eval -0.03] [%clk 0:00:13] } 39... Ke7 { [%eval 0.0] [%clk 0:00:06] } 40. Kf2 { [%eval 0.0] [%clk 0:00:13] } 40... Nd6 { [%eval 0.0] [%clk 0:00:06] } 41. c5 { [%eval 0.0] [%clk 0:00:05] } 41... bxc5 { [%eval 0.0] [%clk 0:00:08] } 42. Bxc5 { [%eval 0.0] [%clk 0:00:06] } 42... Kd7 { [%eval 0.0] [%clk 0:00:09] } 43. Ke3 { [%eval 0.0] [%clk 0:00:07] } 43... Nb5 { [%eval 0.0] [%clk 0:00:05] } 44. Bf8 { [%eval 0.0] [%clk 0:00:08] } 44... g6 { [%eval 0.0] [%clk 0:00:07] } 45. fxg6 { [%eval 0.04] } 45... hxg6 { [%eval 0.0] } 46. h4 { [%eval 0.0] [%clk 0:00:07] } 46... Ke6 { [%eval 0.01] [%clk 0:00:08] } 47. g4 { [%eval 0.03] [%clk 0:00:07] } 47... Nd4 { [%eval 0.12] [%clk 0:00:06] } 48. h5 { [%eval 0.0] [%clk 0:00:08] } 48... gxh5 { [%eval 0.0] [%clk 0:00:07] } 49. gxh5 { [%eval 0.0] [%clk 0:00:10] } 49... Kf7 { [%eval 0.0] [%clk 0:00:08] } 50. Bc5 { [%eval 0.0] [%clk 0:00:10] } 50... Ne6 { [%eval 0.0] [%clk 0:00:10] } 51. Bd6 { [%eval 0.0] [%clk 0:00:08] } 51... Nf4 { [%eval 0.0] [%clk 0:00:11] } 52. h6 { [%eval 0.0] [%clk 0:00:08] } 52... Kg6 { [%eval 0.0] [%clk 0:00:10] } 53. Be7 { [%eval 0.0] [%clk 0:00:09] } 53... Nh5 { [%eval 0.0] [%clk 0:00:12] } 54. Kf3 { [%eval -0.34] [%clk 0:00:07] } 54... Kxh6 { [%eval -0.32] [%clk 0:00:12] } 55. Kg4 { [%eval -0.43] [%clk 0:00:09] } 55... Kg6 { [%eval -0.41] [%clk 0:00:13] } 56. Bd8 { [%eval -0.37] [%clk 0:00:09] } 56... Ng7 { [%eval -0.35] [%clk 0:00:14] } 57. Bb6 { [%eval -0.37] [%clk 0:00:09] } 57... Ne6 { [%eval -0.34] [%clk 0:00:15] } 58. Be3?? { [%eval -5.58] } { Blunder. Kf3 was best. } { [%clk 0:00:09] } 58... Nd8?? { [%eval -0.43] } { Blunder. Ng5 was best. } { [%clk 0:00:15] } 59. Bc5?? { [%eval -5.65] } { Blunder. Kf3 was best. } { [%clk 0:00:10] } 59... Nc6?? { [%eval -0.39] } { Blunder. Ne6 was best. } { [%clk 0:00:17] } 60. Kf3 { [%eval -0.37] [%clk 0:00:12] } 60... f5 { [%eval -0.31] [%clk 0:00:16] } 61. exf5+ { [%eval -0.32] } 61... Kxf5 { [%eval -0.38] [%clk 0:00:17] } 62. Ke3 { [%eval -0.32] [%clk 0:00:13] } 62... e4 { [%eval -0.35] [%clk 0:00:15] } 63. Bb6 { [%eval -0.44] [%clk 0:00:14] } 63... Ke5 { [%eval -0.37] [%clk 0:00:17] } 64. Bc7+ { [%eval -0.42] [%clk 0:00:15] } 64... Kd5 { [%eval -3.33] [%clk 0:00:18] } 65. Bb6?! { [%eval -4.55] } { Inaccuracy. Ba5 was best. } { [%clk 0:00:14] } 65... Nxb4 { [%eval -4.92] [%clk 0:00:19] } 66. Ba5 { [%eval -5.53] [%clk 0:00:14] } 66... Nc6 { [%eval -5.55] [%clk 0:00:20] } 67. Bc3 { [%eval -5.3] [%clk 0:00:15] } 67... a5 { [%eval -6.56] [%clk 0:00:21] } 68. Ba1 { [%eval -5.39] [%clk 0:00:15] } 68... a4 { [%eval -6.68] [%clk 0:00:21] } 69. Bg7 { [%eval -7.2] [%clk 0:00:16] } 69... a3 { [%eval -35.66] [%clk 0:00:20] } 70. Ba1 { [%eval -37.37] [%clk 0:00:17] } 70... Nb4 { [%eval -8.78] [%clk 0:00:14] } 71. Bc3 { [%eval -35.82] [%clk 0:00:17] } 71... Nc6 { [%eval -35.69] [%clk 0:00:14] } 72. Ba1 { [%eval -38.09] [%clk 0:00:17] } 72... a2 { [%eval -37.95] [%clk 0:00:14] } 73. Bc3 { [%eval -38.18] [%clk 0:00:17] } 73... Nb4 { [%eval -9.28] [%clk 0:00:14] } 74. Kd2 { [%eval -34.53] [%clk 0:00:17] } 74... Kc4 { [%eval -34.76] [%clk 0:00:10] } 75. Bf6 { [%eval -32.39] [%clk 0:00:14] } 75... Kb3 { [%eval -26.37] [%clk 0:00:08] } 76. Kc1 { [%eval -35.04] [%clk 0:00:13] } 76... Nc2 { [%eval -8.04] [%clk 0:00:05] } 77. Kd2 { [%eval -7.64] [%clk 0:00:14] } 77... Nb4 { [%eval -34.48] [%clk 0:00:05] } 78. Ke3?! { [%eval #-11] } { Checkmate is now unavoidable. Bh8 was best. } { [%clk 0:00:12] } 78... Nd5+ { [%eval #-9] [%clk 0:00:06] } 79. Kxe4 { [%eval #-9] [%clk 0:00:11] } 79... Nxf6+ { [%eval #-8] } 80. Kd4 { [%eval #-7] } 0-1