Event: Round 4: Boyer, Mahel - Song, Edward
Site: https://lichess.org/broadcast/2025-us-masters/round-4/9eZDtH8q/m750nXA6
Date: 2025-11-28
White: Boyer, Mahel
WhiteTitle: GM
WhiteElo: 2523
Black: Song, Edward
BlackTitle: IM
BlackElo: 2391
Result: 1-0
ECO: C47
Opening: Four Knights Game
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:23:58] } 1... e5 { [%eval 0.22] [%clk 1:30:26] } 2. Nf3 { [%eval 0.13] [%clk 1:24:14] } 2... Nc6 { [%eval 0.21] [%clk 1:30:51] } 3. Nc3 { [%eval 0.06] [%clk 1:23:59] } 3... Nf6 { [%eval 0.07] [%clk 1:31:14] } 4. Nd5 { [%eval -0.12] [%clk 1:24:25] } 4... Bc5 { [%eval 0.0] [%clk 1:29:23] } 5. c3 { [%eval -0.29] [%clk 1:24:00] } 5... Nxe4 { [%eval -0.11] [%clk 1:28:31] } 6. d4 { [%eval -0.25] [%clk 1:20:49] } 6... exd4 { [%eval -0.13] [%clk 1:28:55] } 7. Bd3 { [%eval -0.23] [%clk 1:21:07] } 7... Nf6 { [%eval -0.16] [%clk 1:29:11] } 8. Qe2+ { [%eval -0.2] [%clk 1:16:17] } 8... Kf8 { [%eval -0.21] [%clk 1:29:33] } 9. Nxf6 { [%eval -0.19] [%clk 1:13:28] } 9... Qxf6 { [%eval -0.23] [%clk 1:29:29] } 10. O-O { [%eval -0.36] [%clk 1:11:16] } 10... dxc3 { [%eval -0.38] [%clk 1:27:31] } 11. bxc3?! { [%eval -1.14] } { Inaccuracy. Re1 was best. } { [%clk 1:01:18] } 11... d5 { [%eval -1.03] [%clk 1:23:16] } 12. Bg5 { [%eval -1.13] [%clk 0:57:30] } 12... Qd6 { [%eval -0.84] [%clk 1:21:29] } 13. Nd2?! { [%eval -1.71] } { Inaccuracy. Qd2 was best. } { [%clk 0:56:57] } 13... Qe6 { [%eval -1.35] [%clk 1:08:16] } 14. Qf3?! { [%eval -2.24] } { Inaccuracy. Qd1 was best. } { [%clk 0:51:12] } 14... Ne5 { [%eval -2.16] [%clk 1:07:34] } 15. Qg3 { [%eval -2.39] [%clk 0:51:37] } 15... Nxd3 { [%eval -1.87] [%clk 1:07:03] } 16. Qxd3 { [%eval -1.87] [%clk 0:51:59] } 16... Qf5 { [%eval -1.76] [%clk 1:05:25] } 17. Qb5 { [%eval -1.82] [%clk 0:52:09] } 17... Bd6 { [%eval -1.78] [%clk 0:59:42] } 18. Nf3 { [%eval -1.88] [%clk 0:51:31] } 18... Qd7 { [%eval -1.8] [%clk 0:37:59] } 19. Qb3 { [%eval -2.21] [%clk 0:48:01] } 19... h6 { [%eval -2.01] [%clk 0:27:43] } 20. Bh4 { [%eval -2.08] [%clk 0:48:02] } 20... Kg8?! { [%eval -1.37] } { Inaccuracy. f5 was best. } { [%clk 0:26:04] } 21. Rad1 { [%eval -1.39] [%clk 0:46:58] } 21... c6?! { [%eval -0.5] } { Inaccuracy. Kh7 was best. } { [%clk 0:16:03] } 22. Rfe1?! { [%eval -1.38] } { Inaccuracy. c4 was best. } { [%clk 0:40:28] } 22... Kh7?! { [%eval -0.73] } { Inaccuracy. Qc7 was best. } { [%clk 0:13:07] } 23. c4 { [%eval -0.53] [%clk 0:39:45] } 23... Qc7 { [%eval 0.0] [%clk 0:09:57] } 24. c5?! { [%eval -0.56] } { Inaccuracy. cxd5 was best. } { [%clk 0:33:18] } 24... Bxc5?? { [%eval 3.15] } { Blunder. Bf8 was best. } { [%clk 0:00:58] } 25. Qc2+ { [%eval 3.12] [%clk 0:33:43] } 25... Bf5 { [%eval 3.11] [%clk 0:01:14] } 26. Qxf5+ { [%eval 3.19] [%clk 0:25:31] } 26... g6 { [%eval 3.12] [%clk 0:01:44] } 27. Qf6 { [%eval 3.06] [%clk 0:25:45] } 27... Rhe8 { [%eval 3.44] [%clk 0:01:25] } 28. Bg3 { [%eval 2.9] [%clk 0:25:26] } 28... Qd7?! { [%eval 4.5] } { Inaccuracy. Rxe1+ was best. } { [%clk 0:01:42] } 29. Be5 { [%eval 4.49] [%clk 0:24:27] } 29... Rg8 { [%eval 4.38] [%clk 0:01:31] } 30. Rd3 { [%eval 4.17] [%clk 0:23:24] } 30... g5 { [%eval 4.1] [%clk 0:01:36] } 31. Bc3?! { [%eval 3.19] } { Inaccuracy. Nxg5+ was best. } { [%clk 0:21:33] } 31... Rae8? { [%eval 5.74] } { Mistake. Raf8 was best. } { [%clk 0:01:26] } 32. Rxe8 { [%eval 6.84] [%clk 0:19:38] } 32... Qxe8 { [%eval 6.51] [%clk 0:01:55] } 33. Nxg5+ { [%eval 6.28] [%clk 0:18:55] } 33... Rxg5 { [%eval 6.18] [%clk 0:02:15] } 34. Rh3 { [%eval 5.36] [%clk 0:19:24] } 1-0