Event: Round 2: Okamura, Milton Kasuo - Welling, Gerard
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-65/round-2/UgHEVnU3/Z6Spk6tR
Date: 2025-10-22
White: Okamura, Milton Kasuo
WhiteElo: 2009
Black: Welling, Gerard
BlackTitle: IM
BlackElo: 2206
Result: 0-1
ECO: E94
Opening: King's Indian Defense: Orthodox Variation, Positional Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:56] } 1... d6 { [%eval 0.48] [%clk 1:30:23] } 2. Nf3 { [%eval 0.48] [%clk 1:31:03] } 2... Nf6 { [%eval 0.43] [%clk 1:29:45] } 3. c4 { [%eval 0.5] [%clk 1:31:03] } 3... g6 { [%eval 0.4] [%clk 1:28:52] } 4. Nc3 { [%eval 0.44] [%clk 1:31:14] } 4... Bg7 { [%eval 0.5] [%clk 1:28:57] } 5. e4 { [%eval 0.36] [%clk 1:30:03] } 5... O-O { [%eval 0.44] [%clk 1:29:08] } 6. Be2 { [%eval 0.45] [%clk 1:30:06] } 6... e5 { [%eval 0.51] [%clk 1:29:17] } 7. O-O { [%eval 0.4] [%clk 1:30:18] } 7... Nbd7 { [%eval 0.68] [%clk 1:28:51] } 8. Be3 { [%eval 0.76] [%clk 1:28:58] } 8... Re8 { [%eval 0.67] [%clk 1:27:31] } 9. d5 { [%eval 0.58] [%clk 1:28:58] } 9... Nh5 { [%eval 1.08] [%clk 1:25:35] } 10. Re1 { [%eval 1.04] [%clk 1:16:29] } 10... Nf4 { [%eval 1.12] [%clk 1:24:39] } 11. Bf1 { [%eval 1.11] [%clk 1:16:49] } 11... Nf6 { [%eval 1.59] [%clk 1:17:56] } 12. h3 { [%eval 1.19] [%clk 1:12:17] } 12... h6 { [%eval 1.19] [%clk 1:13:48] } 13. Kh2 { [%eval 1.04] [%clk 1:10:04] } 13... g5 { [%eval 0.9] [%clk 1:13:56] } 14. g3 { [%eval 0.96] [%clk 1:10:21] } 14... Ng6 { [%eval 0.97] [%clk 1:08:13] } 15. Nd2 { [%eval 0.99] [%clk 1:10:24] } 15... g4 { [%eval 1.15] [%clk 1:07:28] } 16. h4 { [%eval 1.07] [%clk 1:09:49] } 16... Bd7 { [%eval 1.35] [%clk 0:44:12] } 17. b4 { [%eval 1.15] [%clk 1:06:16] } 17... a5 { [%eval 1.1] [%clk 0:43:03] } 18. a3 { [%eval 0.58] [%clk 1:06:06] } 18... Nh5 { [%eval 0.92] [%clk 0:34:52] } 19. Rc1?! { [%eval 0.11] } { Inaccuracy. b5 was best. } { [%clk 0:46:45] } 19... axb4 { [%eval 0.13] [%clk 0:34:26] } 20. axb4 { [%eval 0.18] [%clk 0:47:07] } 20... Kh7?! { [%eval 0.9] } { Inaccuracy. Nxh4 was best. } { [%clk 0:24:20] } 21. c5 { [%eval 0.99] [%clk 0:45:12] } 21... Nxh4 { [%eval 1.21] [%clk 0:21:53] } 22. gxh4? { [%eval 0.0] } { Mistake. c6 was best. } { [%clk 0:36:31] } 22... Qxh4+ { [%eval 0.0] [%clk 0:22:20] } 23. Kg1 { [%eval -0.19] [%clk 0:36:50] } 23... Bf6 { [%eval 0.0] [%clk 0:20:18] } 24. Bg2 { [%eval 0.0] [%clk 0:36:02] } 24... Rg8 { [%eval 0.17] [%clk 0:12:28] } 25. c6?? { [%eval -3.38] } { Blunder. Nf1 was best. } { [%clk 0:22:46] } 25... bxc6?? { [%eval -0.48] } { Blunder. g3 was best. } { [%clk 0:11:10] } 26. dxc6?? { [%eval -3.21] } { Blunder. Nf1 was best. } { [%clk 0:23:10] } 26... Bxc6?? { [%eval 0.89] } { Blunder. g3 was best. } { [%clk 0:11:26] } 27. b5? { [%eval -0.66] } { Mistake. Nf1 was best. } { [%clk 0:22:22] } 27... Bd7? { [%eval 0.8] } { Mistake. Nf4 was best. } { [%clk 0:05:57] } 28. Nd5?? { [%eval -1.92] } { Blunder. Nf1 was best. } { [%clk 0:22:41] } 28... g3 { [%eval -2.32] [%clk 0:04:28] } 29. Nxf6+?! { [%eval -3.39] } { Inaccuracy. f4 was best. } { [%clk 0:20:36] } 29... Nxf6 { [%eval -3.75] [%clk 0:04:51] } 30. f3 { [%eval -3.71] [%clk 0:20:51] } 30... Bxb5?? { [%eval -0.73] } { Blunder. Qh2+ was best. } { [%clk 0:04:49] } 31. Rxc7?? { [%eval #-1] } { Checkmate is now unavoidable. Nf1 was best. } { [%clk 0:20:55] } 31... Qh2# { [%clk 0:05:11] } 0-1