[Event "?"] [Site "?"] [Date "2026.05.24"] [Round "?"] [White "?"] [Black "?"] [Result "*"] [GameId "xZcdcbmn"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense: Classical Attack, Mason Variation"] [Termination "Unterminated"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... e5 { [%eval 0.22] } 2. Nf3 { [%eval 0.18] } 2... Nf6 { [%eval 0.34] } 3. Nxe5 { [%eval 0.29] } 3... d6 { [%eval 0.3] } 4. Nf3 { [%eval 0.31] } 4... Nxe4 { [%eval 0.27] } 5. d4 { [%eval 0.25] } 5... d5 { [%eval 0.2] } 6. Bd3 { [%eval 0.26] } 6... Be7 { [%eval 0.28] } 7. O-O { [%eval 0.23] } 7... O-O { [%eval 0.25] } { C42 Petrov's Defense: Classical Attack, Mason Variation } 8. Re1 { [%eval 0.48] } 8... Nf6 { [%eval 0.52] } 9. h3 { [%eval 0.54] } 9... Nc6 { [%eval 0.68] } 10. c3 { [%eval 0.45] } 10... Re8 { [%eval 0.44] } 11. Bf4 { [%eval 0.41] } 11... Be6 { [%eval 0.95] } 12. Ng5 { [%eval 0.54] } 12... Bd6 { [%eval 0.59] } 13. Nxe6 { [%eval 0.58] } 13... Rxe6 { [%eval 0.46] } 14. Rxe6 { [%eval 0.51] } 14... fxe6 { [%eval 0.53] } 15. Bg5 { [%eval 0.45] } 15... Qe7 { [%eval 0.89] } 16. Qf3?! { (0.89 → 0.10) Inaccuracy. Nd2 was best. } { [%eval 0.1] } (16. Nd2 h6 17. Be3 e5 18. Qb3 Na5 19. Qa4 Nc6 20. Bb5 Qe6 21. Re1 exd4) 16... Qf7 { [%eval 0.39] } 17. Bc2 { [%eval 0.38] } 17... Rf8 { [%eval 0.52] } 18. Nd2 { [%eval 0.57] } 18... Nd7 { [%eval 0.76] } 19. Qxf7+ { [%eval 0.61] } 19... Rxf7 { [%eval 0.76] } 20. Nf3 { [%eval 0.77] } 20... h6 { [%eval 0.73] } 21. Be3 { [%eval 0.73] } 21... Ne7 { [%eval 0.98] } 22. Re1 { [%eval 0.92] } 22... Rf6 { [%eval 0.94] } 23. a4 { [%eval 0.71] } 23... Ng6 { [%eval 1.12] } 24. Nh2 { [%eval 0.93] } 24... e5?? { (0.93 → 4.13) Blunder. Ne7 was best. } { [%eval 4.13] } (24... Ne7 25. g3 Rf8 26. f4 Kf7 27. Nf3 Rb8 28. Bc1 c6 29. b4 b5) 25. Ng4 { [%eval 4.03] } 25... Re6 { [%eval 4.36] } 26. Bf5 { [%eval 4.38] } 26... Kf7 { [%eval 4.25] } 27. Bxe6+ { [%eval 4.2] } 27... Kxe6 { [%eval 4.2] } 28. Nxe5 { [%eval 4.4] } 28... Bxe5 { [%eval 4.41] } 29. dxe5 { [%eval 4.27] } 29... Ne7 { [%eval 4.27] } 30. f4 { [%eval 4.3] } 30... Nf5 { [%eval 5.3] } 31. g4 { [%eval 4.78] } 31... Ng3 { [%eval 5.67] } 32. f5+ { [%eval 5.64] } 32... Kxe5 { [%eval 6.06] } 33. Bd4+ { [%eval 5.88] } 33... Kf4 { [%eval 6.0] } 34. Bxg7 { [%eval 5.72] } 34... Kf3 { [%eval 5.8] } 35. f6 { [%eval 5.88] } 35... Ne2+ { [%eval 6.33] } 36. Rxe2 { [%eval 6.21] } 36... Kxe2 { [%eval 5.82] } 37. f7 { [%eval 5.85] } *