Event: 2025 Chicago Summer Open
Site: https://www.kingregistration.com/event/chisummeropen25
Date: 2025-06-21
White: Ochirbat, Lkhagvajamts
WhiteTitle: FM
WhiteElo: 2292
Black: Mallela, Abhishek
BlackElo: 1948
Result: 1-0
ECO: E12
Opening: Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] } 1... Nf6 { [%eval 0.19] } 2. c4 { [%eval 0.18] } 2... b6 { [%eval 0.44] } 3. Nf3 { [%eval 0.22] } 3... Bb7 { [%eval 0.19] } 4. Nc3 { [%eval 0.13] } 4... e6 { [%eval 0.21] } 5. a3 { [%eval 0.14] } 5... d5 { [%eval 0.16] } 6. Bg5 { [%eval 0.12] } 6... Be7 { [%eval 0.03] } 7. e3 { [%eval 0.08] } 7... h6 { [%eval 0.33] } 8. Bf4 { [%eval 0.12] } 8... Nh5?! { [%eval 0.76] } { Inaccuracy. O-O was best. } 9. Be5 { [%eval 0.7] } 9... Nd7 { [%eval 0.95] } 10. cxd5 { [%eval 0.97] } 10... exd5 { [%eval 0.96] } 11. Qa4 { [%eval 0.62] } 11... O-O { [%eval 0.59] } 12. Bb5 { [%eval 0.49] } 12... Nb8? { [%eval 1.73] } { Mistake. Nxe5 was best. } 13. Be2? { [%eval 0.48] } { Mistake. g4 was best. } 13... a6? { [%eval 2.08] } { Mistake. Nd7 was best. } 14. g4 { [%eval 1.96] [%clk 1:35:26] } 14... Nf6 { [%eval 1.86] [%clk 1:35:19] } 15. g5 { [%eval 1.84] [%clk 1:35:26] } 15... hxg5 { [%eval 1.71] [%clk 1:35:19] } 16. Nxg5 { [%eval 2.05] [%clk 1:35:26] } 16... Ne4?! { [%eval 3.13] } { Inaccuracy. Nfd7 was best. } 17. Ngxe4 { [%eval 2.89] } 17... dxe4 { [%eval 3.08] } 18. Rg1 { [%eval 2.95] } 18... Bf6 { [%eval 2.85] } 19. Bxf6?! { [%eval 2.16] } { Inaccuracy. O-O-O was best. } 19... Qxf6 { [%eval 2.06] } 20. d5 { [%eval 1.87] } 20... c6?! { [%eval 2.7] } { Inaccuracy. b5 was best. } 21. Qxe4? { [%eval 1.15] } { Mistake. Nxe4 was best. } 21... cxd5 { [%eval 1.11] } 22. Qf3 { [%eval 0.58] } 22... Nd7 { [%eval 0.48] } 23. O-O-O { [%eval 0.56] } 23... Rac8 { [%eval 0.61] } 24. Rd4 { [%eval 0.37] } 24... Qxf3 { [%eval 0.31] [%clk 1:17:46] } 25. Bxf3 { [%eval 0.44] [%clk 1:17:53] } 25... Nc5?! { [%eval 1.37] } { Inaccuracy. Nf6 was best. } { [%clk 1:17:52] } 26. Kb1 { [%eval 1.43] [%clk 1:17:22] } 26... Nb3 { [%eval 1.49] [%clk 0:55:21] } 27. Rdd1 { [%eval 1.39] [%clk 1:16:55] } 27... Rfd8?! { [%eval 2.01] } { Inaccuracy. Rfe8 was best. } { [%clk 0:54:18] } 28. Ka2 { [%eval 1.44] [%clk 1:14:45] } 28... Nc5 { [%eval 1.47] [%clk 0:50:46] } 29. Bxd5 { [%eval 1.37] [%clk 1:14:57] } 29... Kf8 { [%eval 1.17] [%clk 0:50:34] } 30. f3 { [%eval 0.84] [%clk 1:08:45] } 30... b5 { [%eval 0.91] [%clk 0:49:22] } 31. e4 { [%eval 0.7] [%clk 1:07:49] } 31... g6 { [%eval 0.87] [%clk 0:46:22] } 32. Rg2 { [%eval 0.73] [%clk 1:06:21] } 32... Rd6 { [%eval 1.04] [%clk 0:43:18] } 33. Bxb7 { [%eval 1.08] [%clk 1:05:03] } 33... Nxb7 { [%eval 1.24] [%clk 0:43:41] } 34. Rgd2?! { [%eval 0.45] } { Inaccuracy. Rh1 was best. } { [%clk 1:04:21] } 34... Rf6 { [%eval 0.82] [%clk 0:43:39] } 35. Rd3 { [%eval 0.74] [%clk 1:03:41] } 35... Nc5 { [%eval 0.62] [%clk 0:43:54] } 36. Re3 { [%eval 0.67] [%clk 1:03:49] } 36... Kg7?? { [%eval 4.21] } { Blunder. Rfc6 was best. } { [%clk 0:44:23] } 37. Nd5 { [%eval 4.24] [%clk 1:04:14] } 37... Rd6 { [%eval 4.65] [%clk 0:43:55] } 38. Rc1 { [%eval 4.74] [%clk 1:04:37] } 38... f5 { [%eval 5.15] [%clk 0:41:30] } 39. b4 { [%eval 5.0] [%clk 1:03:53] } 39... fxe4 { [%eval 5.53] [%clk 0:40:44] } 40. fxe4 { [%eval 5.36] [%clk 1:03:59] } 40... Rh8 { [%eval 6.08] [%clk 0:40:59] } 41. bxc5 { [%eval 5.89] [%clk 1:04:21] } 41... Rxh2+ { [%eval 6.02] [%clk 0:41:18] } 42. Kb3 { [%eval 5.82] [%clk 1:04:51] } 1-0