Event: Round 1: Mendez Machado, Andre - Alzate Arango, John Ubaldo
Date: 2024-05-29
White: Mendez Machado, Andre
WhiteTitle: FM
WhiteElo: 2070
Black: Alzate Arango, John Ubaldo
BlackElo: 1723
Result: 1-0
ECO: B12
Opening: Caro-Kann Defense: Maróczy Variation
Variant: Standard

1. e4 { [%eval 0.15] [%clk 0:04:01] } 1... c6 { [%eval 0.35] [%clk 0:04:01] } 2. d4 { [%eval 0.25] [%clk 0:04:02] } 2... d5 { [%eval 0.32] [%clk 0:04:03] } 3. f3 { [%eval 0.25] [%clk 0:04:03] } 3... e6 { [%eval 0.25] [%clk 0:03:51] } 4. Nc3 { [%eval 0.22] [%clk 0:04:04] } 4... Nd7 { [%eval 0.24] [%clk 0:03:47] } 5. a3 { [%eval 0.17] [%clk 0:04:06] } 5... h6 { [%eval 0.5] [%clk 0:03:45] } 6. h4?! { [%eval -0.19] } { Inaccuracy. Be3 was best. } { [%clk 0:04:07] } 6... b6?! { [%eval 0.74] } { Inaccuracy. Be7 was best. } { [%clk 0:03:42] } 7. Be3 { [%eval 0.4] [%clk 0:04:00] } 7... Bb7 { [%eval 0.6] [%clk 0:03:43] } 8. Qd2 { [%eval 0.68] [%clk 0:04:01] } 8... Rc8 { [%eval 0.99] [%clk 0:03:38] } 9. e5 { [%eval 0.79] [%clk 0:03:50] } 9... c5 { [%eval 0.67] [%clk 0:03:37] } 10. f4 { [%eval 0.74] [%clk 0:03:51] } 10... cxd4 { [%eval 0.91] [%clk 0:03:33] } 11. Bxd4 { [%eval 0.8] [%clk 0:03:53] } 11... Bc5?! { [%eval 1.61] } { Inaccuracy. Ne7 was best. } { [%clk 0:03:34] } 12. Nf3 { [%eval 1.27] [%clk 0:03:53] } 12... Ne7 { [%eval 1.42] [%clk 0:03:24] } 13. Bd3 { [%eval 1.11] [%clk 0:03:53] } 13... Nc6 { [%eval 1.14] [%clk 0:03:10] } 14. Nb5?! { [%eval 0.44] } { Inaccuracy. Ne2 was best. } { [%clk 0:03:52] } 14... Be7 { [%eval 0.69] [%clk 0:02:49] } 15. O-O-O { [%eval 0.64] [%clk 0:03:33] } 15... a6 { [%eval 0.45] [%clk 0:02:30] } 16. Nd6+ { [%eval 0.07] [%clk 0:03:16] } 16... Bxd6 { [%eval 0.06] [%clk 0:02:26] } 17. exd6 { [%eval 0.0] [%clk 0:03:16] } 17... Nxd4 { [%eval 0.0] [%clk 0:02:17] } 18. Nxd4 { [%eval 0.15] [%clk 0:03:17] } 18... Nc5 { [%eval 0.06] [%clk 0:02:18] } 19. Rhe1 { [%eval 0.07] [%clk 0:02:39] } 19... Nxd3+?! { [%eval 0.76] } { Inaccuracy. Qxd6 was best. } { [%clk 0:02:15] } 20. Qxd3 { [%eval 0.84] [%clk 0:02:39] } 20... Qxd6 { [%eval 0.74] [%clk 0:02:15] } 21. f5 { [%eval 0.75] [%clk 0:01:42] } 21... e5 { [%eval 0.84] [%clk 0:01:27] } 22. Qg3 { [%eval 0.74] [%clk 0:01:36] } 22... O-O { [%eval 0.78] [%clk 0:01:00] } 23. Qxe5 { [%eval 0.77] [%clk 0:00:47] } 23... Qxe5 { [%eval 0.73] [%clk 0:01:01] } 24. Rxe5 { [%eval 0.75] [%clk 0:00:47] } 24... Rfe8 { [%eval 0.86] [%clk 0:00:58] } 25. Rde1 { [%eval 0.8] [%clk 0:00:48] } 25... Rxe5 { [%eval 0.97] [%clk 0:00:37] } 26. Rxe5 { [%eval 0.88] [%clk 0:00:49] } 26... Rc7?? { [%eval 2.72] } { Blunder. Kf8 was best. } { [%clk 0:00:29] } 27. Re8+ { [%eval 2.63] [%clk 0:00:31] } 27... Kh7 { [%eval 2.53] [%clk 0:00:27] } 28. Kd2 { [%eval 2.54] [%clk 0:00:27] } 28... g6?! { [%eval 3.48] } { Inaccuracy. g5 was best. } { [%clk 0:00:20] } 29. f6 { [%eval 3.11] [%clk 0:00:28] } 29... a5? { [%eval 5.43] } { Mistake. Bc8 was best. } { [%clk 0:00:11] } 30. Re7 { [%eval 5.28] [%clk 0:00:26] } 30... Rc8?? { [%eval #19] } { Checkmate is now unavoidable. Rc4 was best. } { [%clk 0:00:08] } 31. Rxb7?? { [%eval 5.83] } { Lost forced checkmate sequence. Rxf7+ was best. } { [%clk 0:00:26] } 31... Re8 { [%eval 7.64] [%clk 0:00:10] } 32. Rxf7+ { [%eval 7.44] [%clk 0:00:27] } 32... Kg8 { [%eval 7.19] [%clk 0:00:11] } 33. Re7 { [%eval 7.65] [%clk 0:00:26] } 33... Rxe7 { [%eval 8.62] [%clk 0:00:12] } 34. fxe7 { [%eval 8.53] [%clk 0:00:27] } 34... Kf7 { [%eval 8.42] [%clk 0:00:14] } 35. Nc6 { [%eval 8.35] [%clk 0:00:28] } 35... Ke8 { [%eval 8.98] [%clk 0:00:14] } 36. Kd3 { [%eval 8.38] [%clk 0:00:26] } 36... g5? { [%eval #12] } { Checkmate is now unavoidable. d4 was best. } { [%clk 0:00:14] } 37. hxg5 { [%eval #11] [%clk 0:00:26] } 37... hxg5 { [%eval #11] [%clk 0:00:15] } 38. Kd4 { [%eval #10] [%clk 0:00:27] } 38... b5?? { [%eval #10] } { Checkmate is now unavoidable. Kd7 was best. } { [%clk 0:00:16] } 39. Kxd5 { [%eval #9] } 39... b4 { [%eval #4] } 40. Ke6 { [%eval #3] [%clk 0:00:25] } 40... bxa3 { [%eval #3] } 41. bxa3 { [%eval #3] [%clk 0:00:26] } 41... a4 { [%eval #3] [%clk 0:00:18] } 42. Nd4 { [%eval #2] [%clk 0:00:23] } 42... g4 { [%eval #2] [%clk 0:00:19] } 43. Nf5 { [%clk 0:00:19] } 43... g3 { [%clk 0:00:20] } 44. Nd6# { [%clk 0:00:20] } 1-0