Event: Round 7: Korneev, Oleg - Kalavannan, Koby
Date: 2024-08-25
White: Korneev, Oleg
WhiteTitle: GM
WhiteElo: 2469
Black: Kalavannan, Koby
BlackTitle: FM
BlackElo: 2248
Result: 1-0
ECO: B38
Opening: Sicilian Defense: Accelerated Dragon, Maróczy Bind
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:59] } 1... c5 { [%eval 0.25] [%clk 1:27:15] } 2. Nf3 { [%eval 0.22] [%clk 1:27:04] } 2... Nc6 { [%eval 0.31] [%clk 1:27:31] } 3. d4 { [%eval 0.39] [%clk 1:26:57] } 3... cxd4 { [%eval 0.34] [%clk 1:27:50] } 4. Nxd4 { [%eval 0.33] [%clk 1:27:23] } 4... g6 { [%eval 0.39] [%clk 1:28:03] } 5. c4 { [%eval 0.39] [%clk 1:27:45] } 5... Bg7 { [%eval 0.39] [%clk 1:28:15] } 6. Be3 { [%eval 0.47] [%clk 1:28:12] } 6... Qb6 { [%eval 0.49] [%clk 1:28:28] } 7. Nb3 { [%eval 0.36] [%clk 1:26:40] } 7... Qd8 { [%eval 0.5] [%clk 1:28:32] } 8. Nc3 { [%eval 0.4] [%clk 1:26:22] } 8... Bxc3+ { [%eval 0.38] [%clk 1:26:59] } 9. bxc3 { [%eval 0.34] [%clk 1:26:35] } 9... Nf6 { [%eval 0.48] [%clk 1:27:12] } 10. f3 { [%eval 0.31] [%clk 1:22:13] } 10... d6 { [%eval 0.35] [%clk 1:26:26] } 11. Be2 { [%eval 0.17] [%clk 1:22:35] } 11... O-O { [%eval 0.27] [%clk 1:24:13] } 12. O-O { [%eval 0.27] [%clk 1:22:28] } 12... b6 { [%eval 0.28] [%clk 1:23:19] } 13. a4 { [%eval -0.19] [%clk 1:15:44] } 13... Ba6 { [%eval -0.17] [%clk 1:20:41] } 14. Nd4 { [%eval -0.14] [%clk 1:14:29] } 14... Na5 { [%eval -0.17] [%clk 1:11:11] } 15. Nb5 { [%eval -0.17] [%clk 1:14:55] } 15... Qc8 { [%eval -0.18] [%clk 1:11:12] } 16. Qd3 { [%eval -0.37] [%clk 0:54:38] } 16... Qc6 { [%eval -0.14] [%clk 1:08:47] } 17. Rad1 { [%eval -0.36] [%clk 0:54:20] } 17... Rfc8 { [%eval -0.32] [%clk 1:07:52] } 18. c5 { [%eval -0.42] [%clk 0:54:46] } 18... dxc5 { [%eval -0.26] [%clk 0:57:45] } 19. c4 { [%eval -0.4] [%clk 0:52:53] } 19... Qe6 { [%eval -0.41] [%clk 0:53:22] } 20. g4 { [%eval -0.5] [%clk 0:42:41] } 20... Nc6 { [%eval -0.44] [%clk 0:44:17] } 21. g5?! { [%eval -1.01] } { Inaccuracy. Qc3 was best. } { [%clk 0:42:56] } 21... Rd8 { [%eval -0.76] [%clk 0:44:26] } 22. Qc3 { [%eval -0.84] [%clk 0:41:45] } 22... Ne8 { [%eval -0.72] [%clk 0:43:32] } 23. Rd5 { [%eval -0.69] [%clk 0:41:05] } 23... Bb7 { [%eval -0.68] [%clk 0:42:39] } 24. Qd2 { [%eval -1.09] [%clk 0:30:59] } 24... Rdc8 { [%eval -0.82] [%clk 0:31:42] } 25. Rd7?! { [%eval -1.81] } { Inaccuracy. Nc3 was best. } { [%clk 0:16:27] } 25... Na5 { [%eval -1.41] [%clk 0:29:40] } 26. Rd1 { [%eval -1.88] [%clk 0:15:31] } 26... a6 { [%eval -1.86] [%clk 0:29:05] } 27. Nc3 { [%eval -1.83] [%clk 0:15:28] } 27... Nd6?? { [%eval 0.0] } { Blunder. Bc6 was best. } { [%clk 0:26:48] } 28. Rxb7? { [%eval -1.18] } { Mistake. Rxe7 was best. } { [%clk 0:13:11] } 28... Ndxb7 { [%eval -1.12] [%clk 0:23:55] } 29. Nd5 { [%eval -1.08] [%clk 0:12:33] } 29... Nb3 { [%eval -1.04] [%clk 0:23:21] } 30. Qb2 { [%eval -1.03] [%clk 0:08:16] } 30... N7a5 { [%eval -1.12] [%clk 0:23:33] } 31. Bf1 { [%eval -1.55] [%clk 0:07:24] } 31... Rab8?? { [%eval 1.32] } { Blunder. Nd4 was best. } { [%clk 0:21:32] } 32. Bh3 { [%eval 1.12] [%clk 0:07:45] } 32... Nxc4?! { [%eval 2.08] } { Inaccuracy. Qxh3 was best. } { [%clk 0:10:09] } 33. Qxb3 { [%eval 2.16] [%clk 0:08:10] } 33... Qxh3 { [%eval 2.08] [%clk 0:10:31] } 34. Nxe7+ { [%eval 2.17] [%clk 0:03:47] } 34... Kf8 { [%eval 2.21] [%clk 0:11:00] } 35. Nxc8 { [%eval 2.17] [%clk 0:04:12] } 35... Rxc8 { [%eval 2.2] [%clk 0:09:31] } 36. Qxc4 { [%eval 2.02] [%clk 0:04:38] } 36... Qxf3 { [%eval 1.98] [%clk 0:09:56] } 37. Qd3 { [%eval 1.5] [%clk 0:01:13] } 37... Qg4+ { [%eval 1.74] [%clk 0:09:43] } 38. Kh1 { [%eval 1.47] [%clk 0:00:46] } 38... Re8 { [%eval 1.76] [%clk 0:09:54] } 39. Bf2?! { [%eval 1.11] } { Inaccuracy. a5 was best. } { [%clk 0:00:49] } 39... c4?! { [%eval 2.01] } { Inaccuracy. Qxg5 was best. } { [%clk 0:08:45] } 40. Qd4 { [%eval 1.92] [%clk 0:00:49] } 40... Kg8 { [%eval 1.78] [%clk 0:09:01] } 41. Re1 { [%eval 1.82] [%clk 0:00:49] } 41... Qxg5 { [%eval 1.99] [%clk 0:05:31] } 42. Qxc4 { [%eval 1.81] [%clk 0:01:01] } 42... b5 { [%eval 1.97] [%clk 0:05:27] } 43. axb5 { [%eval 1.79] [%clk 0:00:36] } 43... axb5 { [%eval 1.89] [%clk 0:05:56] } 44. Qd4 { [%eval 1.61] [%clk 0:00:54] } 44... Rd8 { [%eval 1.64] [%clk 0:05:25] } 45. Qe3 { [%eval 1.68] [%clk 0:01:00] } 45... Qg4 { [%eval 1.57] [%clk 0:05:28] } 46. Qe2 { [%eval 1.61] [%clk 0:00:53] } 46... Qg5 { [%eval 1.76] [%clk 0:05:44] } 47. e5 { [%eval 1.91] [%clk 0:00:58] } 47... Qf5 { [%eval 1.85] [%clk 0:04:59] } 48. e6 { [%eval 1.75] [%clk 0:00:48] } 48... fxe6 { [%eval 1.75] [%clk 0:03:21] } 49. Qxe6+ { [%eval 1.84] [%clk 0:01:16] } 49... Qxe6 { [%eval 1.66] [%clk 0:03:49] } 50. Rxe6 { [%eval 1.58] [%clk 0:01:43] } 50... Rd2 { [%eval 2.12] [%clk 0:02:50] } 51. Kg2 { [%eval 1.91] [%clk 0:01:23] } 51... Kg7?! { [%eval 3.01] } { Inaccuracy. Kf7 was best. } { [%clk 0:02:29] } 52. Rb6? { [%eval 1.69] } { Mistake. Re7+ was best. } { [%clk 0:01:23] } 52... Rd5? { [%eval 3.22] } { Mistake. Rb2 was best. } { [%clk 0:02:55] } 53. Rb7+ { [%eval 3.2] [%clk 0:01:45] } 53... Kg8 { [%eval 3.0] [%clk 0:02:56] } 54. Be3 { [%eval 3.19] [%clk 0:01:45] } 54... Rh5 { [%eval 3.27] [%clk 0:03:20] } 55. Kg3 { [%eval 3.19] [%clk 0:01:31] } 55... Kf8 { [%eval 3.44] [%clk 0:03:45] } 56. h4 { [%eval 3.4] [%clk 0:00:58] } 56... Ke8 { [%eval 3.64] [%clk 0:04:07] } 57. Kg4 { [%eval 3.33] [%clk 0:00:59] } 57... Kd8? { [%eval 6.33] } { Mistake. Re5 was best. } { [%clk 0:04:19] } 58. Bg5+ { [%eval 6.24] [%clk 0:01:12] } 58... Kc8 { [%eval 6.13] [%clk 0:04:47] } 59. Rxb5 { [%eval 5.48] [%clk 0:01:25] } 59... h6 { [%eval 5.37] [%clk 0:05:16] } 60. Rb6 { [%eval 5.24] [%clk 0:01:28] } 60... hxg5 { [%eval 5.13] [%clk 0:05:28] } 61. hxg5 { [%eval 5.14] [%clk 0:01:55] } 61... Rh1 { [%eval 5.62] [%clk 0:05:16] } 62. Rxg6 { [%eval 5.62] [%clk 0:02:17] } 62... Kd7 { [%eval 5.37] [%clk 0:04:26] } 63. Rf6 { [%eval 5.1] [%clk 0:02:35] } 63... Ke7 { [%eval 5.1] [%clk 0:04:35] } 64. Kf5 { [%eval 5.68] [%clk 0:01:00] } 64... Ra1 { [%eval 5.55] [%clk 0:03:35] } 65. Kg6 { [%eval 5.42] [%clk 0:01:28] } 65... Ra5 { [%eval 5.18] [%clk 0:03:56] } 66. Rf4 { [%eval 4.92] [%clk 0:01:36] } 66... Ra1 { [%eval 6.05] [%clk 0:02:16] } 67. Kg7 { [%eval 5.93] [%clk 0:02:00] } 67... Ke6 { [%eval 5.72] [%clk 0:02:29] } 68. g6 { [%eval 5.33] [%clk 0:02:24] } 68... Ke5 { [%eval 5.04] [%clk 0:02:44] } 69. Rf2 { [%eval 6.43] [%clk 0:02:18] } 69... Ke6 { [%eval 7.34] [%clk 0:02:47] } 70. Kh7 { [%eval 6.92] [%clk 0:02:30] } 70... Rh1+ { [%eval 6.15] [%clk 0:02:55] } 71. Kg8 { [%eval 5.7] [%clk 0:02:57] } 71... Rg1? { [%eval 62.42] } { Mistake. Ke7 was best. } { [%clk 0:01:29] } 72. g7 { [%eval 44.76] [%clk 0:03:24] } 72... Ke7 { [%eval 31.61] [%clk 0:01:53] } 73. Rh2 { [%eval 52.25] [%clk 0:02:57] } 73... Ke8?! { [%eval #28] } { Checkmate is now unavoidable. Rb1 was best. } { [%clk 0:01:31] } 74. Kh7? { [%eval 7.25] } { Lost forced checkmate sequence. Kh8 was best. } { [%clk 0:02:36] } 74... Kf7?? { [%eval #29] } { Checkmate is now unavoidable. Ke7 was best. } { [%clk 0:01:56] } 75. g8=Q+ { [%eval 72.74] [%clk 0:02:36] } 75... Rxg8 { [%eval 81.88] [%clk 0:02:17] } 76. Rf2+ { [%eval 81.88] [%clk 0:03:04] } 1-0