Event: Round 10: Gunawan, Ronny - Birnboim, Nathan
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-65/round-10/4vaskEOE/NyvLvpcj
Date: 2025-10-31
White: Gunawan, Ronny
WhiteTitle: IM
WhiteElo: 2187
Black: Birnboim, Nathan
BlackTitle: IM
BlackElo: 2308
Result: 0-1
ECO: A00
Opening: Polish Opening: German Defense
Variant: Standard

1. b4 { [%eval -0.07] [%clk 1:30:50] } 1... d5 { [%eval -0.08] [%clk 1:30:41] } 2. Bb2 { [%eval -0.11] [%clk 1:30:48] } 2... Qd6 { [%eval 0.0] [%clk 1:30:44] } 3. a3 { [%eval 0.02] [%clk 1:30:44] } 3... a5 { [%eval 0.0] [%clk 1:30:07] } 4. b5 { [%eval 0.0] [%clk 1:30:06] } 4... e5 { [%eval 0.0] [%clk 1:30:20] } 5. e3 { [%eval 0.0] [%clk 1:30:05] } 5... Nf6 { [%eval 0.0] [%clk 1:24:11] } 6. d4 { [%eval 0.06] [%clk 1:27:48] } 6... exd4 { [%eval -0.07] [%clk 1:17:18] } 7. Bxd4 { [%eval 0.0] [%clk 1:26:44] } 7... Be7 { [%eval 0.0] [%clk 1:17:15] } 8. Nf3 { [%eval -0.04] [%clk 1:26:19] } 8... O-O { [%eval 0.11] [%clk 1:15:27] } 9. c4 { [%eval 0.06] [%clk 1:24:44] } 9... dxc4 { [%eval 0.26] [%clk 0:58:47] } 10. Nbd2 { [%eval 0.24] [%clk 1:23:47] } 10... c3 { [%eval 0.25] [%clk 0:53:00] } 11. Bxc3 { [%eval 0.26] [%clk 1:18:52] } 11... Nd5 { [%eval 0.24] [%clk 0:48:53] } 12. Be5 { [%eval 0.1] [%clk 1:15:00] } 12... Qg6 { [%eval 0.15] [%clk 0:48:44] } 13. Bc4 { [%eval 0.19] [%clk 1:11:18] } 13... Nb6 { [%eval 0.64] [%clk 0:43:45] } 14. Be2 { [%eval 0.1] [%clk 1:08:53] } 14... N8d7 { [%eval 0.19] [%clk 0:42:04] } 15. Bd4 { [%eval 0.12] [%clk 1:05:02] } 15... Nc5 { [%eval 0.55] [%clk 0:39:45] } 16. O-O?! { [%eval -0.09] } { Inaccuracy. h4 was best. } { [%clk 0:53:10] } 16... Bh3 { [%eval -0.07] [%clk 0:38:38] } 17. Ne1 { [%eval -0.09] [%clk 0:53:29] } 17... Be6?! { [%eval 0.52] } { Inaccuracy. Bf5 was best. } { [%clk 0:34:50] } 18. f4 { [%eval 0.21] [%clk 0:47:27] } 18... Rfd8 { [%eval 0.26] [%clk 0:34:17] } 19. Rf3 { [%eval 0.0] [%clk 0:46:09] } 19... Bf6 { [%eval -0.13] [%clk 0:27:42] } 20. Rc1 { [%eval -0.67] [%clk 0:37:58] } 20... Bxd4 { [%eval -0.7] [%clk 0:24:40] } 21. exd4 { [%eval -0.64] [%clk 0:38:22] } 21... Nca4 { [%eval -0.67] [%clk 0:24:53] } 22. Nd3?! { [%eval -1.31] } { Inaccuracy. Nc2 was best. } { [%clk 0:30:43] } 22... Rxd4 { [%eval -1.22] [%clk 0:24:16] } 23. Rxc7?! { [%eval -2.37] } { Inaccuracy. Qe1 was best. } { [%clk 0:27:27] } 23... Nd5?! { [%eval -1.54] } { Inaccuracy. Bg4 was best. } { [%clk 0:19:29] } 24. Qa1 { [%eval -1.53] [%clk 0:19:15] } 24... Qf6 { [%eval -1.4] [%clk 0:16:29] } 25. Nb3?? { [%eval -4.65] } { Blunder. Rc2 was best. } { [%clk 0:15:57] } 25... Rxd3 { [%eval -4.49] [%clk 0:15:56] } 26. Qxf6 { [%eval -4.41] [%clk 0:15:45] } 26... gxf6 { [%eval -4.29] [%clk 0:16:18] } 27. Bxd3 { [%eval -4.63] [%clk 0:15:28] } 27... Nxc7 { [%eval -4.64] [%clk 0:16:37] } 28. Nd4 { [%eval -5.0] [%clk 0:15:50] } 28... Rd8 { [%eval -4.97] [%clk 0:16:34] } 29. Rg3+ { [%eval -5.06] [%clk 0:16:12] } 29... Kh8 { [%eval -5.14] [%clk 0:15:11] } 0-1