[Event "rated rapid game"] [Site "https://lichess.org/6WRTBien"] [Date "2026.06.09"] [Round "-"] [White "IIA71"] [Black "ChillinInClass"] [Result "1-0"] [GameId "6WRTBien"] [UTCDate "2026.06.09"] [UTCTime "16:57:38"] [WhiteElo "1663"] [BlackElo "1673"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C40"] [Opening "Latvian Gambit: Mason Countergambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... f5? { (0.18 → 1.39) Mistake. Nc6 was best. } { [%eval 1.39] } (2... Nc6 3. Bc4 Nf6 4. d3 a6 5. c3 Bc5 6. O-O d6 7. Re1) 3. d4?! { (1.39 → 0.39) Inaccuracy. Nxe5 was best. } { [%eval 0.39] } { C40 Latvian Gambit: Mason Countergambit } (3. Nxe5 Nf6 4. Bc4 Qe7 5. d4 Nc6 6. O-O fxe4 7. Bf4 d5) 3... exd4?! { (0.39 → 1.25) Inaccuracy. fxe4 was best. } { [%eval 1.25] } (3... fxe4 4. Nfd2 Qh4 5. g3 Qe7 6. d5 e3 7. fxe3 d6 8. Ne4) 4. Nxd4 { [%eval 1.21] } 4... Qf6?! { (1.21 → 2.00) Inaccuracy. Nf6 was best. } { [%eval 2.0] } (4... Nf6 5. Nxf5 d5 6. Nc3 Bxf5 7. exf5 Nc6 8. Qe2+ Qe7 9. Bg5) 5. Nxf5 { [%eval 2.14] } 5... g6 { [%eval 2.66] } 6. Ng3?! { (2.66 → 1.71) Inaccuracy. Ne3 was best. } { [%eval 1.71] } (6. Ne3 c6 7. Nc3 Nh6 8. Bc4 d6 9. O-O Nd7 10. a4 Bg7 11. Ra3 Nf7) 6... Bc5 { [%eval 2.04] } 7. Qd2 { [%eval 1.82] } 7... Nc6 { [%eval 1.9] } 8. Bd3 { [%eval 1.83] } 8... d6 { [%eval 1.87] } 9. O-O { [%eval 1.86] } 9... Bd7 { [%eval 2.45] } 10. Nc3 { [%eval 2.33] } 10... O-O-O { [%eval 2.33] } 11. Nd5 { [%eval 2.35] } 11... Qh4 { [%eval 2.17] } 12. a4 { [%eval 1.57] } 12... Ne5? { (1.57 → 2.99) Mistake. a5 was best. } { [%eval 2.99] } (12... a5 13. Bb5 Nb4 14. Bxd7+ Kxd7 15. Nxb4 axb4 16. c3 bxc3 17. Qxc3 Nf6 18. b4) 13. b4 { [%eval 3.24] } 13... Bd4 { [%eval 3.0] } 14. Rb1?? { (3.00 → 0.04) Blunder. c3 was best. } { [%eval 0.04] } (14. c3 Nxd3 15. cxd4 Nxc1 16. Rfxc1 Kb8 17. Nxc7 Rc8 18. Nb5 Rxc1+ 19. Rxc1 Bxb5) 14... c6?? { (0.04 → 3.30) Blunder. Ng4 was best. } { [%eval 3.3] } (14... Ng4 15. h3 Nxf2 16. Rxf2 Qxg3 17. Bb2 Qxf2+ 18. Qxf2 Bxf2+ 19. Kxf2 Nh6 20. Bxh8) 15. c3? { (3.30 → 1.43) Mistake. Be2 was best. } { [%eval 1.43] } (15. Be2 Bxf2+ 16. Rxf2 cxd5 17. Rf4 Qh6 18. exd5 Kb8 19. a5 Ne7 20. Qd4 g5) 15... cxd5?! { (1.43 → 2.68) Inaccuracy. Bxf2+ was best. } { [%eval 2.68] } (15... Bxf2+ 16. Rxf2 cxd5 17. Be2 Nf6 18. Qg5 Qxg5 19. Bxg5 Nxe4 20. Nxe4 dxe4 21. Bxd8) 16. cxd4 { [%eval 2.45] } 16... Ng4? { (2.45 → 4.42) Mistake. Nxd3 was best. } { [%eval 4.42] } (16... Nxd3 17. Qxd3 Kb8 18. f3 Nf6 19. b5 Nh5 20. Ba3 Be6 21. b6 a6 22. Nxh5) 17. h3 { [%eval 4.46] } 17... N8f6 { [%eval 4.91] } 18. b5?! { (4.91 → 3.71) Inaccuracy. Qg5 was best. } { [%eval 3.71] } (18. Qg5 Qxg5 19. Bxg5 h6 20. Rbc1+ Kb8 21. Bf4 dxe4 22. Bxe4 Bxa4 23. hxg4 g5) 18... Kb8 { [%eval 4.43] } 19. Ba3 { [%eval 3.97] } 19... Bc8 { [%eval 4.17] } 20. Qf4?! { (4.17 → 3.22) Inaccuracy. e5 was best. } { [%eval 3.22] } (20. e5 dxe5 21. b6 axb6 22. a5 Rhf8 23. axb6 Nxf2 24. Rxf2 Bxh3 25. Qa5) 20... g5 { [%eval 3.25] } 21. Qc1?! { (3.25 → 2.14) Inaccuracy. Qf3 was best. } { [%eval 2.14] } (21. Qf3 Rhf8 22. Nf5 Bxf5 23. exf5 Nh6 24. b6 a6 25. Qg3 Ne4 26. Qxh4 gxh4) 21... Rhg8? { (2.14 → 3.93) Mistake. dxe4 was best. } { [%eval 3.93] } (21... dxe4 22. b6 axb6 23. a5 b5 24. Bxb5 e3 25. Nh1 Nd5 26. Ba6 Nf4 27. Qc6) 22. b6 { [%eval 4.19] } 22... Nh6?? { (4.19 → Mate in 5) Checkmate is now unavoidable. Nxf2 was best. } { [%eval #5] } (22... Nxf2 23. Rxf2 axb6 24. Rxf6 Qxg3 25. Rf3 Qh4 26. Qe1 Qh6 27. Rg3 Qh4 28. e5) 23. Qc7+ { [%eval #4] } 23... Ka8 { [%eval #4] } 24. Bxd6?? { (Mate in 4 → 5.97) Lost forced checkmate sequence. bxa7 was best. } { [%eval 5.97] } (24. bxa7 Nd7 25. Bxd6 dxe4 26. Qb8+ Nxb8 27. axb8=Q#) 24... Bxh3?? { (5.97 → Mate in 4) Checkmate is now unavoidable. Rxd6 was best. } { [%eval #4] } (24... Rxd6 25. bxa7 Nd7 26. Qxd6 Rg6 27. Qxd5 Nb6 28. Rxb6 Rxb6 29. a5 Rb2 30. Qd6) 25. bxa7 { [%eval #3] } 25... Nhg4 { [%eval #1] } 26. Qxb7# { White wins by checkmate. } 1-0