[Event "casual correspondence game"] [Site "https://lichess.org/EFca1xZU"] [Date "2025.09.07"] [Round "-"] [White "NguyenThuan2902"] [Black "lichess AI level 5"] [Result "0-1"] [GameId "EFca1xZU"] [UTCDate "2025.09.07"] [UTCTime "01:08:26"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B40"] [Opening "Sicilian Defense: Pin Variation, Koch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.24] } 2. Nf3 { [%eval 0.2] } 2... e6 { [%eval 0.28] } 3. d4 { [%eval 0.4] } 3... cxd4 { [%eval 0.29] } 4. Nxd4 { [%eval 0.35] } 4... Nf6 { [%eval 0.29] } 5. Nc3 { [%eval 0.44] } 5... Bb4 { [%eval 0.64] } 6. e5 { [%eval 0.58] } { B40 Sicilian Defense: Pin Variation, Koch Variation } 6... Ne4? { (0.58 → 1.93) Mistake. Nd5 was best. } { [%eval 1.93] } (6... Nd5 7. Bd2 Nxc3 8. bxc3 Bf8 9. Bd3 Na6 10. Qg4 Nc5 11. O-O) 7. Bd2?? { (1.93 → 0.00) Blunder. Qg4 was best. } { [%eval 0.0] } (7. Qg4 Nxc3 8. Qxg7 Rf8 9. a3 Nb5+ 10. axb4 Nxd4 11. Bg5 Qb6) 7... Nxd2 { [%eval 0.0] } 8. Qxd2 { [%eval 0.08] } 8... d6?! { (0.08 → 0.82) Inaccuracy. Nc6 was best. } { [%eval 0.82] } (8... Nc6 9. a3) 9. exd6 { [%eval 0.38] } 9... Bd7? { (0.38 → 1.96) Mistake. Qxd6 was best. } { [%eval 1.96] } (9... Qxd6 10. O-O-O Bd7 11. Qe3 O-O 12. a3 Bxc3 13. Qxc3 Rc8 14. Qg3 Qc5 15. Bd3) 10. O-O-O { [%eval 1.84] } 10... O-O { [%eval 2.08] } 11. Qf4? { (2.08 → 0.80) Mistake. a3 was best. } { [%eval 0.8] } (11. a3) 11... Bxc3 { [%eval 0.75] } 12. bxc3 { [%eval 0.79] } 12... Qb6 { [%eval 1.03] } 13. h4 { [%eval 0.92] } 13... Qa5 { [%eval 1.06] } 14. Nb3 { [%eval 1.04] } 14... Qxc3? { (1.04 → 2.42) Mistake. Qa3+ was best. } { [%eval 2.42] } (14... Qa3+ 15. Kb1) 15. h5?! { (2.42 → 1.55) Inaccuracy. Rh3 was best. } { [%eval 1.55] } (15. Rh3 Qf6 16. Qxf6 gxf6 17. Rg3+ Kh8 18. Rc3 Bc6 19. Na5 Rd8 20. h5 h6) 15... Nc6 { [%eval 2.07] } 16. h6?! { (2.07 → 1.03) Inaccuracy. Rh3 was best. } { [%eval 1.03] } (16. Rh3 Qb4 17. Qxb4 Nxb4 18. Nc5 Bc6 19. Rb3 a5 20. a3 Nd5 21. Nxb7 Rfc8) 16... Nb4 { [%eval 1.17] } 17. hxg7?? { (1.17 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } { [%eval #-1] } (17. Rd2) 17... Qxc2# { Black wins by checkmate. } 0-1