[Event "Giải đấu tập 10.5 Arena"] [Site "https://lichess.org/aUTeng4b"] [Date "2026.05.10"] [Round "-"] [White "nsdtt"] [Black "minhanh2907"] [Result "1-0"] [GameId "aUTeng4b"] [UTCDate "2026.05.10"] [UTCTime "13:51:50"] [WhiteElo "1314"] [BlackElo "1046"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-15"] [Variant "Standard"] [TimeControl "600+2"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nf6 { [%eval 0.34] } { C42 Petrov's Defense } 3. Ng5?! { (0.34 → -0.62) Inaccuracy. Nxe5 was best. } { [%eval -0.62] } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O) 3... h6 { [%eval -0.64] } 4. Nf3 { [%eval -0.59] } 4... Nc6 { [%eval -0.46] } 5. Nc3 { [%eval -0.41] } 5... a5 { [%eval -0.22] } 6. Bd3 { [%eval -0.55] } 6... Bc5 { [%eval -0.58] } 7. Na4 { [%eval -1.07] } 7... Rb8?? { (-1.07 → 2.88) Blunder. Ba7 was best. } { [%eval 2.88] } (7... Ba7 8. O-O O-O 9. c4 d6 10. Nc3 Nh5 11. Nd5 Nb4 12. Be2 f5 13. d3) 8. Nxc5 { [%eval 2.82] } 8... Qe7 { [%eval 3.18] } 9. Nb3?? { (3.18 → 1.18) Blunder. Na4 was best. } { [%eval 1.18] } (9. Na4 d5 10. exd5 Nxd5 11. O-O Nf4 12. Be4 Nxg2 13. Kxg2 Bg4 14. Kh1 O-O) 9... d6?? { (1.18 → 3.53) Blunder. a4 was best. } { [%eval 3.53] } (9... a4 10. O-O O-O 11. Re1 axb3 12. axb3 Qc5 13. c3 d5 14. b4 Qd6 15. b5) 10. Bc4?? { (3.53 → 0.97) Blunder. Bb5 was best. } { [%eval 0.97] } (10. Bb5 a4 11. Na5 Bd7 12. Bxc6 bxc6 13. d3 d5 14. a3 dxe4 15. dxe4 Nxe4) 10... Rf8?? { (0.97 → 4.15) Blunder. a4 was best. } { [%eval 4.15] } (10... a4 11. d3 axb3 12. Bxb3 Na5 13. h3 O-O 14. O-O Ne8 15. d4 Nxb3 16. axb3) 11. d4 { [%eval 4.23] } 11... Nxe4 { [%eval 4.02] } 12. dxe5 { [%eval 3.84] } 12... Qxe5? { (3.84 → 7.53) Mistake. dxe5 was best. } { [%eval 7.53] } (12... dxe5 13. Bd5 f5 14. O-O Rf6 15. Qe2 Kf8 16. Bxc6 bxc6 17. Nbd2 Nxd2 18. Nxd2) 13. Nxe5 { [%eval 7.45] } 13... dxe5 { [%eval 7.44] } 14. g4 { [%eval 6.17] } 14... Ng5 { [%eval 7.17] } 15. h4 { [%eval 6.51] } 15... Ne6 { [%eval 6.92] } 16. g5 { [%eval 6.05] } 16... h5 { [%eval 7.02] } 17. Qxh5 { [%eval 6.05] } 17... Ke7 { [%eval 6.9] } 18. g6 { [%eval 6.98] } 18... fxg6 { [%eval 7.91] } 19. Qxg6 { [%eval 7.51] } 19... Nb4 { [%eval 9.09] } 20. Bg5+ { [%eval 8.95] } 20... Kd6? { (8.95 → Mate in 8) Checkmate is now unavoidable. Rf6 was best. } { [%eval #8] } (20... Rf6 21. Bxf6+ gxf6 22. Qh7+ Kd6 23. c3 Kc6 24. Rg1 Nf4 25. cxb4 Kb6 26. b5) 21. Rc1? { (Mate in 8 → 7.92) Lost forced checkmate sequence. O-O-O+ was best. } { [%eval 7.92] } (21. O-O-O+ Nd5 22. Bxd5 c5 23. Bxe6+ Kc7 24. Bxc8 Rf6 25. Bxf6 gxf6 26. Qxf6 Ra8) 21... Nxa2? { (7.92 → Mate in 3) Checkmate is now unavoidable. c6 was best. } { [%eval #3] } (21... c6 22. Nd2 Kc7 23. Bxe6 Bxe6 24. Qxe6 Rbd8 25. Rh2 Rfe8 26. Qf7+ Kb8) 22. Ra1? { (Mate in 3 → 9.82) Lost forced checkmate sequence. Rd1+ was best. } { [%eval 9.82] } (22. Rd1+ Kc6 23. Be3 Nb4 24. Nxa5#) 22... Nc3 { [%eval 11.03] } 23. Qd3+ { [%eval 10.63] } 23... Kc6 { [%eval 10.45] } 24. Qxc3 { [%eval 9.98] } 24... Rf5? { (9.98 → Mate in 3) Checkmate is now unavoidable. Kd7 was best. } { [%eval #3] } (24... Kd7 25. Qh3 Ke8 26. Bxe6 Rf4 27. Nd2 Ra8 28. Bxc8 a4 29. Rg1 Rd4 30. Be3) 25. Nxa5+ { [%eval #15] } 25... Kc5 { [%eval #3] } 26. Qe3+ { [%eval #4] } 26... Kb4 { [%eval #1] } 27. Be7+ { [%eval #1] } 27... Nc5 { [%eval #1] } 28. Bxc5# { White wins by checkmate. } 1-0