Event: Las Vegas National Open 2023
Date: 2023-06-15
White: Mark Heimann
WhiteTitle: IM
Black: Henry Deng
Result: 1-0
ECO: B40
Opening: Sicilian Defense: Four Knights Variation, Exchange Variation
Variant: Standard
TimeControl: G/90 +30 sec inc

1. e4 { [%eval 0.36] [%clk 1:30:55] } 1... c5 { [%eval 0.32] [%clk 1:30:51] } 2. Nf3 { [%eval 0.0] [%clk 1:31:17] } 2... e6 { [%eval 0.34] [%clk 1:31:08] } 3. d4 { [%eval 0.42] [%clk 1:31:44] } 3... cxd4 { [%eval 0.37] [%clk 1:31:34] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:11] } 4... Nf6 { [%eval 0.4] [%clk 1:31:53] } 5. Nc3 { [%eval 0.45] [%clk 1:32:35] } 5... Nc6 { [%eval 0.43] [%clk 1:32:17] } 6. Nxc6 { [%eval 0.42] [%clk 1:32:57] } 6... bxc6 { [%eval 0.29] [%clk 1:32:42] } 7. e5 { [%eval 0.32] [%clk 1:33:22] } 7... Nd5 { [%eval 0.48] [%clk 1:33:09] } 8. Ne4 { [%eval 0.41] [%clk 1:33:43] } 8... Bb7 { [%eval 0.45] [%clk 1:33:31] } 9. c4 { [%eval 0.38] [%clk 1:33:30] } 9... Nb4 { [%eval 0.4] [%clk 1:33:40] } 10. Bd2 { [%eval -0.03] [%clk 1:28:13] } 10... c5 { [%eval -0.01] [%clk 1:22:15] } 11. Bxb4 { [%eval 0.0] [%clk 1:27:20] } 11... Bxe4 { [%eval 0.42] [%clk 1:22:02] } 12. Bc3 { [%eval 0.37] [%clk 1:27:45] } 12... Bc6 { [%eval 0.32] [%clk 1:19:13] } 13. h4 { [%eval 0.28] [%clk 1:16:00] } 13... Be7 { [%eval 0.41] [%clk 1:17:03] } 14. Qg4 { [%eval 0.28] [%clk 1:09:15] } 14... O-O { [%eval 0.36] [%clk 1:15:07] } 15. O-O-O { [%eval 0.37] [%clk 1:08:03] } 15... f5 { [%eval 0.57] [%clk 1:11:00] } 16. Qh3 { [%eval 0.22] [%clk 1:01:31] } 16... Qc7 { [%eval 0.68] [%clk 1:06:43] } 17. Bd3 { [%eval 0.59] [%clk 0:56:27] } 17... Rae8 { [%eval 0.75] [%clk 0:58:27] } 18. Rhe1 { [%eval 0.71] [%clk 0:54:21] } 18... d5 { [%eval 1.08] [%clk 0:54:00] } 19. exd6 { [%eval 1.13] [%clk 0:53:14] } 19... Bxd6 { [%eval 1.22] [%clk 0:54:23] } 20. g3 { [%eval 0.74] [%clk 0:51:03] } 20... Bd7 { [%eval 1.11] [%clk 0:48:43] } 21. g4 { [%eval 1.42] [%clk 0:48:46] } 21... Bf4+ { [%eval 1.41] [%clk 0:40:08] } 22. Kb1 { [%eval 1.25] [%clk 0:48:52] } 22... Ba4 { [%eval 1.45] [%clk 0:34:44] } 23. b3 { [%eval 1.42] [%clk 0:46:10] } 23... Qb7 { [%eval 1.42] [%clk 0:31:55] } 24. Bc2 { [%eval 1.59] [%clk 0:40:32] } 24... Bc6 { [%eval 1.72] [%clk 0:29:17] } 25. gxf5 { [%eval 1.62] [%clk 0:33:49] } 25... e5 { [%eval 1.57] [%clk 0:26:55] } 26. Rd6 { [%eval 1.18] [%clk 0:32:26] } 26... Bg2 { [%eval 1.33] [%clk 0:22:48] } 27. Qg4 { [%eval 1.22] [%clk 0:26:33] } 27... Bf3 { [%eval 1.48] [%clk 0:21:37] } 28. Qg1 { [%eval 1.16] [%clk 0:25:05] } 28... Qc7 { [%eval 1.17] [%clk 0:17:02] } 29. Rd3 { [%eval 1.35] [%clk 0:23:16] } 29... Qc6?! { [%eval 2.15] } { Inaccuracy. e4 was best. } { [%clk 0:13:01] } 30. Kb2? { [%eval 0.93] } { Mistake. Rde3 was best. } { [%clk 0:17:39] } 30... Re7 { [%eval 1.36] [%clk 0:10:03] } 31. Bd2?! { [%eval 0.34] } { Inaccuracy. h5 was best. } { [%clk 0:16:19] } 31... Bxd2 { [%eval 0.35] [%clk 0:08:07] } 32. Rxd2 { [%eval 0.24] [%clk 0:16:48] } 32... e4 { [%eval 0.24] [%clk 0:07:44] } 33. Qg5 { [%eval 0.27] [%clk 0:15:20] } 33... Re5 { [%eval 0.46] [%clk 0:06:33] } 34. Rd8 { [%eval 0.28] [%clk 0:15:08] } 34... Rxd8 { [%eval 0.39] [%clk 0:04:25] } 35. Qxd8+ { [%eval 0.34] [%clk 0:15:34] } 35... Kf7 { [%eval 0.29] [%clk 0:04:36] } 36. Qa5 { [%eval 0.0] [%clk 0:11:50] } 36... a6?! { [%eval 0.86] } { Inaccuracy. Qf6 was best. } { [%clk 0:04:47] } 37. b4 { [%eval 0.67] [%clk 0:10:37] } 37... Qf6 { [%eval 0.51] [%clk 0:03:31] } 38. Kb1 { [%eval 0.0] [%clk 0:05:43] } 38... cxb4 { [%eval 0.54] [%clk 0:03:50] } 39. Qxb4 { [%eval 0.28] [%clk 0:06:08] } 39... Qxf5 { [%eval 0.24] [%clk 0:03:34] } 40. Qb7+ { [%eval 0.19] [%clk 0:06:14] } 40... Re7 { [%eval 0.19] [%clk 0:03:58] } 41. Qxa6 { [%eval 0.26] [%clk 0:06:32] } 41... Qc5 { [%eval 0.71] [%clk 0:03:50] } 42. Re3 { [%eval 0.74] [%clk 0:06:40] } 42... Qb4+ { [%eval 1.21] [%clk 0:03:36] } 43. Kc1?! { [%eval 0.31] } { Inaccuracy. Bb3 was best. } { [%clk 0:06:43] } 43... Rd7? { [%eval 1.52] } { Mistake. Rc7 was best. } { [%clk 0:03:31] } 44. Qb5 { [%eval 1.15] [%clk 0:06:40] } 44... Qd2+ { [%eval 1.49] [%clk 0:03:36] } 45. Kb1 { [%eval 1.21] [%clk 0:06:47] } 45... g6 { [%eval 1.55] [%clk 0:01:53] } 46. c5 { [%eval 1.52] [%clk 0:05:22] } 46... Rd4?? { [%eval 4.63] } { Blunder. Qd4 was best. } { [%clk 0:02:03] } 47. Qb3+?? { [%eval 1.92] } { Blunder. Bb3+ was best. } { [%clk 0:05:36] } 47... Kf6 { [%eval 2.01] [%clk 0:01:56] } 48. Qc3?! { [%eval 0.89] } { Inaccuracy. Qb6+ was best. } { [%clk 0:05:45] } 48... Ke5?! { [%eval 1.48] } { Inaccuracy. Qxc3 was best. } { [%clk 0:01:50] } 49. c6 { [%eval 1.13] [%clk 0:05:04] } 49... Qxc3 { [%eval 1.31] [%clk 0:01:03] } 50. Rxc3 { [%eval 1.13] [%clk 0:05:31] } 50... Bg4 { [%eval 1.12] [%clk 0:01:30] } 51. a4?! { [%eval 0.53] } { Inaccuracy. c7 was best. } { [%clk 0:04:38] } 51... Rd2 { [%eval 1.03] [%clk 0:01:34] } 52. Rc4 { [%eval 0.77] [%clk 0:04:38] } 52... Rxf2?? { [%eval 4.66] } { Blunder. Kd6 was best. } { [%clk 0:01:32] } 53. Rxe4+ { [%eval 4.66] [%clk 0:05:04] } 53... Kd6 { [%eval 4.69] [%clk 0:01:53] } 54. Rxg4 { [%eval 4.68] [%clk 0:05:30] } 54... Kxc6 { [%eval 4.61] [%clk 0:02:14] } 55. Rb4 { [%eval 4.13] [%clk 0:05:37] } 55... Kc5 { [%eval 4.35] [%clk 0:02:42] } 56. Rb7 { [%eval 4.13] [%clk 0:05:59] } 56... Rh2?! { [%eval 5.8] } { Inaccuracy. Rd2 was best. } { [%clk 0:02:42] } 57. Rxh7 { [%eval 5.05] [%clk 0:06:19] } 57... g5?! { [%eval 8.76] } { Inaccuracy. Kb4 was best. } { [%clk 0:03:11] } 58. hxg5 { [%eval 7.79] [%clk 0:06:43] } 1-0