Event: 51st Annual World Open
Date: 2023-07-02
White: Hans Niemann
WhiteTitle: GM
Black: Nico Chasin
BlackTitle: IM
Result: 1/2-1/2
ECO: E10
Opening: Indian Defense: Anti-Nimzo-Indian
Variant: Standard
TimeControl: 40/90,SD/30;d30

1. d4 { [%eval 0.0] [%clk 1:29:48] } 1... Nf6 { [%eval 0.28] [%clk 1:09:53] } 2. c4 { [%eval 0.16] [%clk 1:29:48] } 2... e6 { [%eval 0.23] [%clk 1:09:50] } 3. Nf3 { [%eval 0.0] [%clk 1:29:48] } 3... d5 { [%eval 0.17] [%clk 1:09:50] } 4. g3 { [%eval 0.2] [%clk 1:29:48] } 4... Bb4+ { [%eval 0.19] [%clk 1:09:50] } 5. Bd2 { [%eval 0.19] [%clk 1:29:48] } 5... Bd6 { [%eval 0.45] [%clk 1:09:50] } 6. Bg2 { [%eval 0.28] [%clk 1:29:32] } 6... c6 { [%eval 0.47] [%clk 1:09:50] } 7. Qc2 { [%eval 0.31] [%clk 1:28:19] } 7... Nbd7 { [%eval 0.38] [%clk 1:09:50] } 8. O-O { [%eval 0.34] [%clk 1:27:50] } 8... O-O { [%eval 0.24] [%clk 1:09:50] } 9. Rd1 { [%eval 0.3] [%clk 1:25:04] } 9... a5 { [%eval 0.44] [%clk 1:02:47] } 10. Nc3 { [%eval 0.38] [%clk 1:20:39] } 10... dxc4 { [%eval 0.42] [%clk 1:02:29] } 11. e4 { [%eval 0.44] [%clk 1:20:39] } 11... e5 { [%eval 0.36] [%clk 0:58:01] } 12. dxe5 { [%eval 0.44] [%clk 1:19:57] } 12... Bxe5 { [%eval 0.46] [%clk 0:55:32] } 13. Nxe5?! { [%eval -0.35] } { Inaccuracy. b3 was best. } { [%clk 1:19:02] } 13... Nxe5 { [%eval -0.18] [%clk 0:54:20] } 14. Be3 { [%eval -0.22] [%clk 1:16:32] } 14... Qe7 { [%eval -0.18] [%clk 0:51:31] } 15. h3 { [%eval -0.45] [%clk 1:16:32] } 15... Nd3 { [%eval 0.06] [%clk 0:49:33] } 16. b3 { [%eval 0.0] [%clk 1:09:59] } 16... Nb4 { [%eval 0.0] [%clk 0:48:25] } 17. Qe2 { [%eval -0.24] [%clk 1:02:31] } 17... cxb3 { [%eval -0.28] [%clk 0:48:25] } 18. Na4?! { [%eval -0.98] } { Inaccuracy. axb3 was best. } { [%clk 0:52:42] } 18... Nd7?! { [%eval -0.05] } { Inaccuracy. bxa2 was best. } { [%clk 0:36:29] } 19. Bf4? { [%eval -1.4] } { Mistake. axb3 was best. } { [%clk 0:52:42] } 19... Re8?! { [%eval -0.53] } { Inaccuracy. bxa2 was best. } { [%clk 0:35:04] } 20. axb3 { [%eval -0.61] [%clk 0:52:42] } 20... b5?! { [%eval 0.04] } { Inaccuracy. Nd5 was best. } { [%clk 0:31:32] } 21. Bd6 { [%eval 0.07] [%clk 0:46:19] } 21... Qf6 { [%eval 0.26] [%clk 0:30:04] } 22. Nb2 { [%eval 0.15] [%clk 0:43:29] } 22... Qc3 { [%eval 0.67] [%clk 0:29:07] } 23. Qd2 { [%eval 0.16] [%clk 0:39:26] } 23... Qxd2 { [%eval 0.21] [%clk 0:28:51] } 24. Rxd2 { [%eval 0.19] [%clk 0:39:26] } 24... c5 { [%eval 0.2] [%clk 0:28:51] } 25. e5 { [%eval 0.07] [%clk 0:39:12] } 25... Ra7 { [%eval 0.09] [%clk 0:24:48] } 26. Bf1 { [%eval -0.08] [%clk 0:33:36] } 26... Nc6 { [%eval -0.04] [%clk 0:24:37] } 27. Bxb5 { [%eval -0.02] [%clk 0:26:47] } 27... Nd4 { [%eval 0.0] [%clk 0:22:49] } 28. Rxd4 { [%eval 0.0] [%clk 0:24:56] } 28... cxd4 { [%eval 0.0] [%clk 0:22:49] } 29. f4?! { [%eval -0.75] } { Inaccuracy. b4 was best. } { [%clk 0:24:56] } 29... Ba6 { [%eval -0.98] [%clk 0:22:10] } 30. Rxa5 { [%eval -0.96] [%clk 0:24:24] } 30... Rea8 { [%eval -0.98] [%clk 0:22:10] } 31. Ba4 { [%eval -0.93] [%clk 0:19:40] } 31... Bb7 { [%eval -0.64] [%clk 0:17:04] } 32. Rxa7 { [%eval -0.73] [%clk 0:14:20] } 32... Rxa7 { [%eval -0.67] [%clk 0:17:04] } 33. Nd3?! { [%eval -1.24] } { Inaccuracy. Nc4 was best. } { [%clk 0:10:16] } 33... Be4?! { [%eval -0.45] } { Inaccuracy. Nb6 was best. } { [%clk 0:12:47] } 34. Nc5 { [%eval -0.48] [%clk 0:10:16] } 34... Nxc5 { [%eval -0.49] [%clk 0:12:08] } 35. Bxc5 { [%eval -0.43] [%clk 0:10:16] } 35... Ra5 { [%eval -0.49] [%clk 0:11:25] } 36. Bxd4 { [%eval -0.46] [%clk 0:09:38] } 36... Bc2 { [%eval -0.38] [%clk 0:11:25] } 37. Kf2 { [%eval -0.27] [%clk 0:08:35] } 37... Ra8 { [%eval -0.27] [%clk 0:11:25] } 38. g4 { [%eval -0.41] [%clk 0:07:50] } 38... g6 { [%eval -0.28] [%clk 0:11:24] } 39. Bc6 { [%eval -0.43] [%clk 0:06:57] } 1/2-1/2