[Event "ALTO"] [Site "Chess.com"] [Date "2023.09.03"] [Round "4"] [White "Vigorito, David"] [Black "Solon, Nate"] [Result "0-1"] [GameId "mt9NkOQ4"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D46"] [Termination "Unknown"] [Annotator "lichess.org"] 1. c4 { [%eval 0.23] } 1... c6 { [%eval 0.27] } 2. d4 { [%eval 0.38] } 2... d5 { [%eval 0.3] } 3. Nc3 { [%eval 0.16] } 3... Nf6 { [%eval 0.27] } 4. e3 { [%eval 0.0] } 4... e6 { [%eval 0.22] } 5. Nf3 { [%eval 0.13] } 5... Nbd7 { [%eval 0.23] } 6. Qc2 { [%eval 0.29] } 6... Bd6 { [%eval 0.22] } 7. Bd3 { [%eval 0.0] } { D46 Semi-Slav Defense: Chigorin Defense } 7... O-O { [%eval 0.22] } 8. O-O { [%eval 0.29] } 8... dxc4 { [%eval 0.3] } 9. Bxc4 { [%eval 0.29] } 9... b5 { [%eval 0.35] } 10. Be2 { [%eval 0.23] } 10... Bb7 { [%eval 0.4] } 11. e4 { [%eval 0.31] } 11... e5 { [%eval 0.21] } 12. dxe5 { [%eval 0.07] } 12... Nxe5 { [%eval 0.27] } 13. Nd4 { [%eval 0.25] } 13... Neg4 { [%eval -0.21] } 14. g3 { [%eval 0.05] } 14... Bc5 { [%eval 0.08] } 15. Nf5 { [%eval 0.01] } 15... Re8 { [%eval 0.06] } 16. Bf4 { [%eval 0.06] } 16... Nxf2 { [%eval 0.1] } 17. Rxf2 { [%eval 0.13] } 17... Bxf2+ { [%eval 0.11] } 18. Kxf2 { [%eval 0.11] } 18... b4 { [%eval 0.04] } 19. e5 { [%eval 0.1] } 19... bxc3 { [%eval 0.1] } 20. exf6 { [%eval 0.09] } 20... Qxf6 { [%eval 0.07] } 21. Bf3? { (0.07 → -1.31) Mistake. g4 was best. } { [%eval -1.31] } (21. g4 cxb2) 21... g5 { [%eval -1.18] } 22. Be3 { [%eval -1.75] } 22... cxb2 { [%eval -1.83] } 23. Rb1 { [%eval -1.91] } 23... Rad8?? { (-1.91 → 0.00) Blunder. Bc8 was best. } { [%eval 0.0] } (23... Bc8 24. g4 Rb8 25. Qc5 Rb5 26. Qxc6 Qxc6 27. Bxc6 Bxf5 28. gxf5 Rxf5+ 29. Ke2 Rb8 30. Bd4) 24. g4 { [%eval 0.0] } 24... Rxe3 { [%eval 0.0] } 25. Nxe3 { [%eval 0.0] } 25... c5 { [%eval 0.0] } 26. Nf5 { [%eval 0.0] } 26... Qe5 { [%eval 0.0] } 27. Bxb7 { [%eval 0.0] } 27... Qf4+ { [%eval 0.0] } 28. Ke1?? { (0.00 → -6.09) Blunder. Kg1 was best. } { [%eval -6.09] } (28. Kg1 Rd2 29. Nh6+ Kg7 30. Nf5+ Kg8) 28... Re8+ { [%eval -6.1] } 29. Kd1 { [%eval -6.13] } 29... Qxg4+ { [%eval -6.23] } 30. Kd2 { [%eval -6.24] } 30... Re2+ { [%eval -6.27] } 31. Kd1?? { (-6.27 → Mate in 2) Checkmate is now unavoidable. Kc3 was best. } { [%eval #-2] } (31. Kc3 Qb4+ 32. Kd3 Rxc2 33. Kxc2 Qxb7 34. Nd6 Qg2+ 35. Kc3 Qxh2 36. Re1 h6 37. Ne8 Kh7) 31... Rxc2+?? { (Mate in 2 → -6.15) Lost forced checkmate sequence. Rf2+ was best. } { [%eval -6.15] } { Black wins. } (31... Rf2+ 32. Ke1 Qg1#) 0-1