Event: Round 3: Mafra, Kaiser Luiz - Krivenko, Sergei
Site: https://lichess.org/broadcast/fide-world-amateur-chess-championships-2025/round-3/03tbGjk7/2QjxifhJ
Date: 2025-11-07
White: Mafra, Kaiser Luiz
WhiteTitle: CM
WhiteElo: 2042
Black: Krivenko, Sergei
BlackTitle: FM
BlackElo: 2262
Result: 0-1
ECO: A16
Opening: English Opening: Anglo-Indian Defense, Queen's Knight Variation
Variant: Standard
TimeControl: 90+30

1. c4 { [%eval 0.12] [%clk 1:26:22] } 1... Nf6 { [%eval 0.14] [%clk 1:30:49] } 2. Nc3 { [%eval 0.12] [%clk 1:26:20] } 2... d6 { [%eval 0.49] [%clk 1:28:59] } 3. Rb1 { [%eval 0.15] [%clk 1:24:08] } 3... g6 { [%eval 0.26] [%clk 1:24:08] } 4. b4 { [%eval -0.22] [%clk 1:22:03] } 4... Bg7 { [%eval -0.16] [%clk 1:24:24] } 5. g3 { [%eval -0.45] [%clk 1:22:05] } 5... d5 { [%eval -0.53] [%clk 1:22:16] } 6. Nf3 { [%eval -0.9] [%clk 1:09:38] } 6... Bf5 { [%eval -0.72] [%clk 1:17:39] } 7. Rb3? { [%eval -2.34] } { Mistake. d3 was best. } { [%clk 0:59:35] } 7... dxc4 { [%eval -2.29] [%clk 1:13:23] } 8. Ra3 { [%eval -2.19] [%clk 0:59:23] } 8... Nc6 { [%eval -1.94] [%clk 1:10:00] } 9. Bg2 { [%eval -1.98] [%clk 0:50:43] } 9... Nd5?! { [%eval -1.08] } { Inaccuracy. a6 was best. } { [%clk 0:54:28] } 10. Nxd5? { [%eval -2.33] } { Mistake. b5 was best. } { [%clk 0:49:15] } 10... Qxd5 { [%eval -2.37] [%clk 0:54:55] } 11. O-O { [%eval -2.48] [%clk 0:49:28] } 11... Qb5 { [%eval -2.38] [%clk 0:52:39] } 12. Nh4 { [%eval -2.34] [%clk 0:35:33] } 12... Bd7 { [%eval -2.37] [%clk 0:46:26] } 13. Re3 { [%eval -2.64] [%clk 0:34:49] } 13... O-O { [%eval -2.28] [%clk 0:44:27] } 14. a3 { [%eval -2.7] [%clk 0:33:11] } 14... Rfe8 { [%eval -2.4] [%clk 0:40:53] } 15. Nf3 { [%eval -2.45] [%clk 0:29:05] } 15... a5 { [%eval -2.15] [%clk 0:37:08] } 16. a4 { [%eval -2.22] [%clk 0:26:58] } 16... Qxb4 { [%eval -2.11] [%clk 0:36:31] } 17. Ba3 { [%eval -2.2] [%clk 0:27:19] } 17... Qb6 { [%eval -2.22] [%clk 0:36:55] } 18. Qc2 { [%eval -2.46] [%clk 0:26:44] } 18... Nb4 { [%eval -1.9] [%clk 0:28:02] } 19. Qxc4 { [%eval -1.92] [%clk 0:26:38] } 19... Qc6 { [%eval -1.81] [%clk 0:23:43] } 20. Qh4?! { [%eval -2.55] } { Inaccuracy. Qf4 was best. } { [%clk 0:25:59] } 20... Qf6 { [%eval -2.17] [%clk 0:23:35] } 21. Qc4 { [%eval -1.92] [%clk 0:21:36] } 21... Qc6 { [%eval -1.59] [%clk 0:19:10] } 22. Qh4?! { [%eval -2.73] } { Inaccuracy. Qf4 was best. } { [%clk 0:21:58] } 22... Qxa4 { [%eval -2.61] [%clk 0:18:58] } 23. Ng5 { [%eval -2.62] [%clk 0:09:45] } 23... h6 { [%eval -2.77] [%clk 0:18:37] } 24. Ne4?! { [%eval -4.25] } { Inaccuracy. Nxf7 was best. } { [%clk 0:08:37] } 24... Nc2 { [%eval -4.32] [%clk 0:10:58] } 25. Bxe7 { [%eval -4.24] [%clk 0:03:33] } 25... Nxe3 { [%eval -4.13] [%clk 0:06:52] } 26. fxe3 { [%eval -3.7] [%clk 0:01:00] } 26... f5 { [%eval -3.59] [%clk 0:05:44] } 27. Nf6+ { [%eval -3.42] [%clk 0:01:02] } 27... Kh8 { [%eval -3.47] [%clk 0:06:00] } 28. Nxd7 { [%eval -4.02] [%clk 0:01:07] } 28... Qxd7 { [%eval -4.18] [%clk 0:05:26] } 29. Bg5 { [%eval -4.29] [%clk 0:01:09] } 29... Kh7 { [%eval -4.08] [%clk 0:04:43] } 30. g4 { [%eval -4.79] [%clk 0:01:12] } 30... fxg4 { [%eval -4.67] [%clk 0:03:45] } 31. Bxb7 { [%eval -5.0] [%clk 0:01:08] } 31... Rab8 { [%eval -4.87] [%clk 0:03:33] } 32. Bc6 { [%eval -6.0] [%clk 0:01:07] } 32... Qxc6 { [%eval -6.13] [%clk 0:02:09] } 33. Rf7 { [%eval -6.37] [%clk 0:01:25] } 33... Kg8 { [%eval -6.66] [%clk 0:01:50] } 34. Rxg7+ { [%eval -6.53] [%clk 0:00:46] } 34... Kxg7 { [%eval -6.27] [%clk 0:02:15] } 35. Qxh6+ { [%eval -7.14] [%clk 0:01:04] } 35... Kg8 { [%eval -6.42] [%clk 0:02:31] } 0-1