[Event "Round 4: Chinguun, Sumiya - Boldoo, Erdenepurev"]
[Site "https://lichess.org/broadcast/mongolian-national-chess-championship-2026-open/round-4/Dkr3XElJ/6vedMbiX"]
[Date "2026.10.25"]
[Round "4.6"]
[White "Chinguun, Sumiya"]
[Black "Boldoo, Erdenepurev"]
[Result "1-0"]
[WhiteElo "2406"]
[WhiteTitle "IM"]
[WhiteFideId "4902572"]
[BlackElo "2353"]
[BlackTitle "FM"]
[BlackFideId "4901037"]
[Variant "Standard"]
[ECO "B45"]
[Opening "Sicilian Defense: Four Knights Variation, Exchange Variation"]
[UTCDate "2026.10.25"]
[UTCTime "06:16:07"]
[BroadcastName "Mongolian National Chess Championship 2026 | Open"]
[BroadcastURL "https://lichess.org/broadcast/mongolian-national-chess-championship-2026-open/round-4/Dkr3XElJ"]
[GameURL "https://lichess.org/broadcast/mongolian-national-chess-championship-2026-open/round-4/Dkr3XElJ/6vedMbiX"]

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... c5 { [%eval 0.32] [%clk 1:30:42] } 2. Nf3 { [%eval 0.2] [%clk 1:31:21] } 2... e6 { [%eval 0.28] [%clk 1:30:59] } 3. d4 { [%eval 0.4] [%clk 1:31:46] } 3... cxd4 { [%eval 0.29] [%clk 1:31:23] } 4. Nxd4 { [%eval 0.4] [%clk 1:32:12] } 4... Nf6 { [%eval 0.29] [%clk 1:31:36] } 5. Nc3 { [%eval 0.24] [%clk 1:32:33] } 5... Nc6 { [%eval 0.35] [%clk 1:31:40] } 6. Nxc6 { [%eval 0.31] [%clk 1:32:51] } 6... bxc6 { [%eval 0.28] [%clk 1:32:04] } 7. e5 { [%eval 0.31] [%clk 1:33:17] } 7... Nd5 { [%eval 0.36] [%clk 1:32:21] } 8. Ne4 { [%eval 0.41] [%clk 1:33:41] } 8... Bb7 { [%eval 0.43] [%clk 1:32:28] } 9. c4 { [%eval 0.16] [%clk 1:31:01] } 9... Nb4 { [%eval 0.16] [%clk 1:31:41] } 10. Bg5 { [%eval 0.25] [%clk 1:31:05] } 10... Qb8?! { [%eval 1.3] } { Inaccuracy. Qc7 was best. } { [%clk 1:23:34] } 11. Nd6+ { [%eval 1.28] [%clk 1:26:57] } 11... Bxd6 { [%eval 1.19] [%clk 1:23:58] } 12. exd6 { [%eval 1.15] [%clk 1:27:21] } 12... c5 { [%eval 1.3] [%clk 1:16:13] } 13. a3 { [%eval 1.24] [%clk 1:26:47] } 13... Na6? { [%eval 2.89] } { Mistake. Nc6 was best. } { [%clk 1:08:37] } 14. Be7?! { [%eval 1.92] } { Inaccuracy. f3 was best. } { [%clk 1:14:59] } 14... Be4 { [%eval 1.85] [%clk 1:06:54] } 15. b4? { [%eval 0.16] } { Mistake. Bd3 was best. } { [%clk 1:09:27] } 15... cxb4 { [%eval 0.17] [%clk 1:02:02] } 16. Bd3 { [%eval -0.09] [%clk 0:53:14] } 16... Qb7?! { [%eval 0.71] } { Inaccuracy. Bxd3 was best. } { [%clk 0:27:30] } 17. O-O { [%eval 0.64] [%clk 0:53:26] } 17... Bxd3 { [%eval 0.72] [%clk 0:27:53] } 18. Qxd3 { [%eval 0.97] [%clk 0:53:50] } 18... b3 { [%eval 0.99] [%clk 0:28:09] } 19. Rab1 { [%eval 0.94] [%clk 0:28:32] } 19... Rb8 { [%eval 0.96] [%clk 0:28:26] } 20. Qg3 { [%eval 0.59] [%clk 0:25:05] } 20... Rg8 { [%eval 0.64] [%clk 0:28:51] } 21. Rfe1 { [%eval 0.44] [%clk 0:24:06] } 21... Nc5 { [%eval 0.44] [%clk 0:24:34] } 22. Qh4 { [%eval 0.61] [%clk 0:23:22] } 22... h6 { [%eval 1.03] [%clk 0:22:05] } 23. Bf8?! { [%eval 0.0] } { Inaccuracy. Re3 was best. } { [%clk 0:21:48] } 23... f6?? { [%eval 3.2] } { Blunder. g5 was best. } { [%clk 0:21:51] } 24. Be7 { [%eval 3.04] [%clk 0:22:14] } 24... Kf7? { [%eval 5.83] } { Mistake. f5 was best. } { [%clk 0:20:05] } 25. Qh5+ { [%eval 6.17] [%clk 0:22:34] } 25... g6 { [%eval 6.2] [%clk 0:20:34] } 26. Qxc5 { [%eval 6.12] [%clk 0:22:59] } 26... Qb6 { [%eval 6.03] [%clk 0:21:01] } 27. Qe3 { [%eval 5.98] [%clk 0:21:47] } 1-0