Event: Round 3: Roberto Messa - Nathan Birnboim
Date: 2023-09-21
White: Roberto Messa
WhiteTitle: IM
WhiteElo: 2289
Black: Nathan Birnboim
BlackTitle: IM
BlackElo: 2346
Result: 0-1
ECO: A42
Opening: Modern Defense: Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:55] } 1... g6?! { [%eval 0.68] } { Inaccuracy. Nf6 was best. } { [%clk 1:30:02] } 2. c4 { [%eval 0.25] [%clk 1:31:19] } 2... Bg7 { [%eval 0.65] [%clk 1:30:08] } 3. Nc3 { [%eval 0.5] [%clk 1:31:44] } 3... d6 { [%eval 0.72] [%clk 1:29:08] } 4. e4 { [%eval 0.43] [%clk 1:32:09] } 4... Nd7 { [%eval 0.9] [%clk 1:23:45] } 5. Be2 { [%eval 0.95] [%clk 1:25:01] } 5... e5 { [%eval 0.94] [%clk 1:20:03] } 6. d5 { [%eval 0.5] [%clk 1:25:06] } 6... Ne7 { [%eval 0.8] [%clk 1:18:38] } 7. h4 { [%eval 0.91] [%clk 1:25:23] } 7... h6 { [%eval 0.87] [%clk 1:14:19] } 8. h5 { [%eval 0.78] [%clk 1:15:48] } 8... Nf6?! { [%eval 1.38] } { Inaccuracy. f5 was best. } { [%clk 1:10:32] } 9. hxg6 { [%eval 1.55] [%clk 1:10:44] } 9... Nxg6 { [%eval 1.73] [%clk 1:09:25] } 10. Be3 { [%eval 1.23] [%clk 1:10:54] } 10... h5 { [%eval 1.27] [%clk 1:06:23] } 11. Qd2 { [%eval 1.01] [%clk 1:05:12] } 11... Ng4 { [%eval 1.47] [%clk 1:02:42] } 12. Bxg4 { [%eval 1.14] [%clk 1:05:30] } 12... hxg4 { [%eval 1.63] [%clk 1:02:57] } 13. Rxh8+ { [%eval 1.58] [%clk 1:05:53] } 13... Bxh8 { [%eval 1.68] [%clk 1:03:02] } 14. g3?! { [%eval 0.82] } { Inaccuracy. O-O-O was best. } { [%clk 1:03:04] } 14... Qe7 { [%eval 1.12] [%clk 0:46:43] } 15. Nge2 { [%eval 1.06] [%clk 1:03:20] } 15... f5 { [%eval 1.14] [%clk 0:44:34] } 16. O-O-O { [%eval 1.01] [%clk 1:03:17] } 16... Qh7 { [%eval 1.54] [%clk 0:38:03] } 17. c5 { [%eval 1.63] [%clk 1:02:49] } 17... Bd7 { [%eval 1.4] [%clk 0:28:05] } 18. Qc2 { [%eval 1.22] [%clk 0:52:17] } 18... b6? { [%eval 2.45] } { Mistake. dxc5 was best. } { [%clk 0:18:11] } 19. c6 { [%eval 2.3] [%clk 0:38:02] } 19... Bc8 { [%eval 2.43] [%clk 0:18:37] } 20. exf5 { [%eval 2.19] [%clk 0:38:13] } 20... Ne7 { [%eval 1.7] [%clk 0:17:49] } 21. Ne4? { [%eval 0.53] } { Mistake. Nb5 was best. } { [%clk 0:26:35] } 21... Bxf5 { [%eval 0.54] [%clk 0:17:02] } 22. N2c3 { [%eval 0.35] [%clk 0:26:58] } 22... b5 { [%eval 0.87] [%clk 0:12:52] } 23. Nxb5?! { [%eval 0.0] } { Inaccuracy. b4 was best. } { [%clk 0:17:05] } 23... Bxe4 { [%eval 0.0] [%clk 0:13:17] } 24. Nxc7+ { [%eval -0.15] [%clk 0:17:24] } 24... Kf7 { [%eval 0.0] [%clk 0:13:39] } 25. Qa4 { [%eval 0.0] [%clk 0:13:36] } 25... Rb8 { [%eval -0.15] [%clk 0:08:32] } 26. Ne6? { [%eval -1.49] } { Mistake. Bxa7 was best. } { [%clk 0:13:28] } 26... Bf6 { [%eval -1.27] [%clk 0:08:37] } 27. c7 { [%eval -1.62] [%clk 0:05:11] } 27... Rc8 { [%eval -1.23] [%clk 0:09:05] } 28. Qd7? { [%eval -2.76] } { Mistake. Nd8+ was best. } { [%clk 0:05:17] } 28... Qf5 { [%eval -2.29] [%clk 0:03:45] } 29. Nd8+ { [%eval -2.81] [%clk 0:03:42] } 29... Kg7?! { [%eval -1.91] } { Inaccuracy. Kg6 was best. } { [%clk 0:03:41] } 30. Qxd6 { [%eval -1.49] [%clk 0:03:58] } 30... Bf3 { [%eval -1.59] [%clk 0:02:28] } 31. Rd2 { [%eval -1.5] [%clk 0:02:10] } 31... Qe4?? { [%eval 1.62] } { Blunder. Bxd5 was best. } { [%clk 0:02:46] } 32. b3 { [%eval 1.35] [%clk 0:00:31] } 32... Nxd5?? { [%eval 5.62] } { Blunder. Qf5 was best. } { [%clk 0:02:50] } 33. Qd7+ { [%eval 5.5] [%clk 0:00:59] } 33... Ne7 { [%eval 5.56] [%clk 0:03:06] } 34. Bc5?? { [%eval 0.44] } { Blunder. Rd6 was best. } { [%clk 0:00:56] } 34... Qe1+ { [%eval 0.47] [%clk 0:02:04] } 35. Kb2 { [%eval 0.43] [%clk 0:01:24] } 35... e4+?? { [%eval 2.35] } { Blunder. Rxc7 was best. } { [%clk 0:01:54] } 36. Ka3 { [%eval 2.14] [%clk 0:01:49] } 36... Qc1+?? { [%eval 7.32] } { Blunder. e3 was best. } { [%clk 0:01:56] } 37. Ka4 { [%eval 6.29] [%clk 0:02:00] } 37... Rxc7 { [%eval 8.17] [%clk 0:00:52] } 38. Ne6+ { [%eval 8.16] [%clk 0:00:35] } 38... Kf7 { [%eval 11.37] [%clk 0:00:40] } 39. Nd8+?! { [%eval 6.6] } { Inaccuracy. Nxc7 was best. } { [%clk 0:00:59] } 39... Kf8?? { [%eval #6] } { Checkmate is now unavoidable. Kg7 was best. } { [%clk 0:00:40] } 40. Qxc7?? { [%eval -0.31] } { Lost forced checkmate sequence. Qe6 was best. } { [%clk 0:01:13] } 40... Qxd2 { [%eval -0.31] [%clk 0:01:07] } 41. Ne6+?? { [%eval -4.5] } { Blunder. Nc6 was best. } { [%clk 0:28:02] } 41... Kf7 { [%eval -4.54] [%clk 0:31:10] } 42. Nf4? { [%eval -9.75] } { Mistake. Nd4 was best. } { [%clk 0:24:11] } 42... Qxa2+ { [%eval -9.44] [%clk 0:28:10] } 43. Ba3 { [%eval -12.09] [%clk 0:24:34] } 43... e3 { [%eval -12.16] [%clk 0:26:57] } 44. Qc4+ { [%eval -13.25] [%clk 0:23:38] } 44... Ke8 { [%eval -15.12] [%clk 0:27:10] } 45. fxe3 { [%eval -19.07] [%clk 0:23:15] } 45... Bc6+ { [%eval -16.38] [%clk 0:26:37] } 46. Kb4?! { [%eval #-4] } { Checkmate is now unavoidable. Qxc6+ was best. } { [%clk 0:23:36] } 46... Qd2+ { [%eval #-3] [%clk 0:26:26] } 0-1