Event: 15th Annual Calgary International
Site: The Calgary Chess Club, Canada
Date: 2024-12-27
White: Darvekar, Yash
WhiteElo: 1876
Black: Kostadinov, George
BlackElo: 2043
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 90 Minutes / 30 Second Increments

1. e4 { [%eval 0.18] [%clk 1:26:05] } 1... c5 { [%eval 0.25] [%clk 1:30:47] } 2. Nf3 { [%eval 0.2] [%clk 1:26:27] } 2... d6 { [%eval 0.22] [%clk 1:31:12] } 3. d4 { [%eval 0.22] [%clk 1:26:53] } 3... cxd4 { [%eval 0.19] [%clk 1:31:39] } 4. Nxd4 { [%eval 0.18] [%clk 1:27:17] } 4... Nf6 { [%eval 0.25] [%clk 1:31:59] } 5. Nc3 { [%eval 0.32] [%clk 1:27:41] } 5... a6 { [%eval 0.32] [%clk 1:32:25] } 6. f3 { [%eval 0.13] [%clk 1:28:02] } 6... e5 { [%eval 0.4] [%clk 1:30:40] } 7. Nb3 { [%eval 0.24] [%clk 1:28:25] } 7... Be7 { [%eval 0.19] [%clk 1:29:52] } 8. Be3 { [%eval 0.32] [%clk 1:28:43] } 8... Be6 { [%eval 0.38] [%clk 1:29:09] } 9. Qd2 { [%eval 0.36] [%clk 1:29:04] } 9... h5 { [%eval 0.35] [%clk 1:25:54] } 10. O-O-O { [%eval 0.32] [%clk 1:23:54] } 10... Nbd7 { [%eval 0.35] [%clk 1:25:53] } 11. Bd3 { [%eval -0.05] [%clk 1:23:33] } 11... Qc7 { [%eval 0.0] [%clk 1:25:08] } 12. Kb1 { [%eval 0.0] [%clk 1:20:02] } 12... O-O-O?! { [%eval 1.1] } { Inaccuracy. b5 was best. } { [%clk 1:23:49] } 13. h3 { [%eval 0.89] [%clk 1:09:58] } 13... d5 { [%eval 1.45] [%clk 1:09:26] } 14. exd5 { [%eval 1.41] [%clk 0:59:43] } 14... Nxd5 { [%eval 1.66] [%clk 1:09:45] } 15. Nxd5 { [%eval 1.68] [%clk 0:58:20] } 15... Bxd5 { [%eval 1.66] [%clk 1:10:10] } 16. Bxa6 { [%eval 1.58] [%clk 0:56:51] } 16... Nb6?? { [%eval 3.97] } { Blunder. Nc5 was best. } { [%clk 0:57:47] } 17. Qa5 { [%eval 4.03] [%clk 0:53:27] } 17... Nc4?! { [%eval 5.31] } { Inaccuracy. Rd6 was best. } { [%clk 0:55:16] } 18. Bxc4 { [%eval 5.32] [%clk 0:51:28] } 18... Qxc4 { [%eval 5.27] [%clk 0:54:47] } 19. Bb6 { [%eval 5.22] [%clk 0:44:23] } 19... Rd6 { [%eval 5.31] [%clk 0:53:55] } 20. Qa8+ { [%eval 5.24] [%clk 0:44:17] } 20... Kd7 { [%eval 5.26] [%clk 0:54:17] } 21. Qxh8 { [%eval 5.43] [%clk 0:44:41] } 21... Rxb6 { [%eval 5.16] [%clk 0:54:31] } 22. Qxh5 { [%eval 5.11] [%clk 0:44:34] } 22... Bd6 { [%eval 5.15] [%clk 0:51:45] } 23. Qg4+ { [%eval 4.69] [%clk 0:44:39] } 23... Qxg4 { [%eval 5.05] [%clk 0:51:41] } 24. hxg4 { [%eval 4.88] [%clk 0:45:02] } 24... Ke6 { [%eval 4.85] [%clk 0:48:52] } 25. Nd2 { [%eval 4.81] [%clk 0:40:46] } 25... Ra6 { [%eval 4.77] [%clk 0:45:33] } 26. c4 { [%eval 4.76] [%clk 0:36:34] } 26... Bc6 { [%eval 4.82] [%clk 0:45:48] } 27. Ne4 { [%eval 4.79] [%clk 0:36:53] } 27... Be7 { [%eval 4.84] [%clk 0:45:37] } 28. Nc3 { [%eval 4.81] [%clk 0:36:03] } 28... Ra5 { [%eval 5.03] [%clk 0:44:38] } 29. Nd5 { [%eval 4.95] [%clk 0:35:44] } 29... Bd6 { [%eval 4.99] [%clk 0:43:20] } 30. Rh7 { [%eval 4.51] [%clk 0:27:39] } 30... g6 { [%eval 4.97] [%clk 0:43:23] } 31. Nc3 { [%eval 4.63] [%clk 0:27:29] } 31... Be7 { [%eval 4.86] [%clk 0:42:48] } 32. Rhh1 { [%eval 4.92] [%clk 0:25:15] } 32... Rc5 { [%eval 5.0] [%clk 0:42:40] } 33. b3 { [%eval 4.97] [%clk 0:25:01] } 33... Ra5 { [%eval 4.94] [%clk 0:43:06] } 34. Rhe1 { [%eval 4.86] [%clk 0:24:10] } 34... Bb4 { [%eval 4.74] [%clk 0:43:09] } 35. Re3 { [%eval 4.73] [%clk 0:24:22] } 35... f5 { [%eval 4.87] [%clk 0:40:26] } 36. Nd5 { [%eval 4.84] [%clk 0:23:03] } 36... Bf8 { [%eval 4.87] [%clk 0:39:55] } 37. b4 { [%eval 4.91] [%clk 0:19:04] } 37... Ra4 { [%eval 5.38] [%clk 0:39:59] } 38. Nc7+ { [%eval 5.29] [%clk 0:18:59] } 38... Kf6 { [%eval 5.28] [%clk 0:39:47] } 39. b5 { [%eval 5.52] [%clk 0:19:04] } 1-0