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Efimov, Leonid vs Barnes, Oliver

2026.06.18 · game 1
White to move
PGN
[Event "Round 4: Efimov, Leonid - Barnes, Oliver"]
[Site "https://lichess.org/broadcast/fide-world-youth-chess-championships-2026-o18/round-4/4Al99S2B/Um0kSO5u"]
[Date "2026.06.18"]
[Round "4.39"]
[White "Efimov, Leonid"]
[Black "Barnes, Oliver"]
[Result "1-0"]
[WhiteElo "2331"]
[WhiteTitle "FM"]
[WhiteFideId "54165725"]
[BlackElo "2000"]
[BlackFideId "2517604"]
[TimeControl "90+30"]
[Variant "Standard"]
[ECO "E28"]
[Opening "Nimzo-Indian Defense: Sämisch Variation"]
[UTCDate "2026.06.18"]
[UTCTime "12:26:28"]
[BroadcastName "FIDE World Youth Chess Championships 2026 | O18"]
[BroadcastURL "https://lichess.org/broadcast/fide-world-youth-chess-championships-2026-o18/round-4/4Al99S2B"]
[GameURL "https://lichess.org/broadcast/fide-world-youth-chess-championships-2026-o18/round-4/4Al99S2B/Um0kSO5u"]

1. d4 { [%eval 0.15] [%clk 1:28:09] } 1... Nf6 { [%eval 0.15] [%clk 1:30:55] } 2. c4 { [%eval 0.16] [%clk 1:28:33] } 2... e6 { [%eval 0.14] [%clk 1:31:17] } 3. Nc3 { [%eval 0.09] [%clk 1:29:00] } 3... Bb4 { [%eval 0.15] [%clk 1:31:00] } 4. e3 { [%eval 0.06] [%clk 1:29:06] } 4... O-O { [%eval 0.09] [%clk 1:31:09] } 5. a3 { [%eval 0.0] [%clk 1:25:59] } 5... Bxc3+ { [%eval -0.16] [%clk 1:31:32] } 6. bxc3 { [%eval -0.05] [%clk 1:26:28] } 6... Nc6 { [%eval 0.22] [%clk 1:30:13] } 7. Ne2 { [%eval -0.23] [%clk 1:20:47] } 7... e5 { [%eval 0.03] [%clk 1:26:52] } 8. Ng3 { [%eval 0.26] [%clk 1:20:16] } 8... Re8 { [%eval 0.21] [%clk 1:24:25] } 9. Be2 { [%eval 0.13] [%clk 1:14:58] } 9... b6 { [%eval 0.18] [%clk 1:17:07] } 10. O-O { [%eval 0.19] [%clk 1:07:37] } 10... d6 { [%eval 0.64] [%clk 1:11:57] } 11. e4 { [%eval 0.6] [%clk 0:51:00] } 11... Ba6 { [%eval 0.64] [%clk 0:40:34] } 12. Bd3 { [%eval 0.17] [%clk 0:34:59] } 12... Na5?! { [%eval 0.79] } { Inaccuracy. exd4 was best. } { [%clk 0:33:44] } 13. f4 { [%eval 0.35] [%clk 0:29:23] } 13... exd4 { [%eval 0.38] [%clk 0:20:10] } 14. cxd4 { [%eval 0.46] [%clk 0:28:05] } 14... Bxc4 { [%eval 0.36] [%clk 0:19:37] } 15. f5?! { [%eval -0.66] } { Inaccuracy. Bb2 was best. } { [%clk 0:21:22] } 15... h6 { [%eval -0.67] [%clk 0:17:48] } 16. Bf4 { [%eval -0.62] [%clk 0:19:26] } 16... c5 { [%eval -0.18] [%clk 0:16:43] } 17. Bxc4 { [%eval -0.25] [%clk 0:14:30] } 17... Nxc4 { [%eval -0.24] [%clk 0:17:11] } 18. Qa4 { [%eval -0.2] [%clk 0:14:42] } 18... d5 { [%eval -0.29] [%clk 0:14:06] } 19. e5 { [%eval -0.37] [%clk 0:14:36] } 19... Nd7?! { [%eval 0.35] } { Inaccuracy. Ng4 was best. } { [%clk 0:11:39] } 20. f6 { [%eval 0.41] [%clk 0:13:47] } 20... cxd4 { [%eval 0.31] [%clk 0:11:05] } 21. fxg7 { [%eval 0.03] [%clk 0:12:31] } 21... Ndxe5 { [%eval 0.4] [%clk 0:10:15] } 22. Nf5 { [%eval 0.41] [%clk 0:11:33] } 22... Rc8? { [%eval 1.79] } { Mistake. b5 was best. } { [%clk 0:03:52] } 23. Qd1? { [%eval 0.33] } { Mistake. Rae1 was best. } { [%clk 0:09:19] } 23... Rc6?? { [%eval 3.07] } { Blunder. Qf6 was best. } { [%clk 0:02:52] } 24. Qh5 { [%eval 2.95] [%clk 0:08:45] } 24... Ree6 { [%eval 3.47] [%clk 0:02:16] } 25. Rae1 { [%eval 3.58] [%clk 0:07:26] } 25... Ne3?! { [%eval 4.88] } { Inaccuracy. Qf6 was best. } { [%clk 0:00:48] } 26. Bxe5 { [%eval 4.78] [%clk 0:06:49] } 26... Nxf1 { [%eval 4.66] [%clk 0:00:42] } 27. Rxf1 { [%eval 4.49] [%clk 0:06:43] } 27... Qg5?? { [%eval #4] } { Checkmate is now unavoidable. Qe8 was best. } { [%clk 0:00:38] } 28. Nxh6+ { [%eval #3] [%clk 0:06:49] } 28... Qxh6 { [%eval #2] [%clk 0:00:42] } 29. Qxf7+ { [%eval #1] [%clk 0:07:12] } 29... Kh7 { [%eval #1] [%clk 0:01:06] } 30. g8=B# { [%clk 0:07:36] } 1-0
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