[Event "Rated classical game"] [Site "https://lichess.org/TehU5nzS"] [Date "2023.04.01"] [White "SigmaAlgebra"] [Black "dave3"] [Result "1-0"] [UTCDate "2023.04.01"] [UTCTime "09:04:24"] [WhiteElo "1895"] [BlackElo "2005"] [WhiteRatingDiff "+37"] [BlackRatingDiff "-16"] [Variant "Standard"] [TimeControl "1800+30"] [ECO "C77"] [Opening "Ruy Lopez: Morphy Defense, Anderssen Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 { C77 Ruy Lopez: Morphy Defense, Anderssen Variation } d6 6. O-O Bg4?! { (-0.16 → 0.87) Inaccuracy. b5 was best. } (6... b5 7. Bb3 Na5 8. Bd2 Nxb3 9. axb3 Be7 10. Ba5 O-O 11. Re1) 7. c3 Be7 8. Re1 O-O 9. h3 Bh5 10. Nbd2 b5 11. Bb3 Na5 12. Bc2 c5 13. Nf1 d5?! { (0.77 → 1.66) Inaccuracy. Nd7 was best. } (13... Nd7 14. g4) 14. g4 dxe4 15. dxe4 Qxd1 16. Rxd1 Bg6 17. Ng3 Nc6 18. Nh4 Rfd8 19. Be3 c4 20. Nhf5 Bf8 21. g5?! { (0.83 → 0.28) Inaccuracy. a4 was best. } (21. a4 b4) 21... Nh5 22. Nh4 Nxg3 23. fxg3 Rd6 24. Rxd6 Bxd6 25. Rd1 Rd8 26. Bb6 Rb8?? { (1.50 → 3.78) Blunder. Rd7 was best. } (26... Rd7 27. Nf5 Bxf5 28. exf5 Nb8 29. Be3 Be7 30. Re1 Kf8 31. Kf2 Rc7 32. Rd1 Nd7 33. Kf3) 27. Rxd6 Rxb6 28. Nf3 Nd4?? { (3.81 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (28... f6 29. gxf6 gxf6 30. Rxf6 b4 31. Nxe5 b3 32. axb3 cxb3 33. Bxb3+ Rxb3 34. Nxg6 Kg7 35. Rxc6) 29. Rd8# { White wins by checkmate. } 1-0