lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/UmZ4M9vb"] [Date "2021.02.28"] [Round "-"] [White "mikhapro"] [Black "rdruta"] [Result "1-0"] [UTCDate "2021.02.28"] [UTCTime "18:20:00"] [WhiteElo "1627"] [BlackElo "1412"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } g5? { (0.00 → 1.47) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bb5+ c6 6. Bd3 Qe7+ 7. Be2) 3. d4 g4?! { (0.87 → 1.47) Inaccuracy. Best move was h6. } (3... h6 4. Nc3 d6 5. Be3 Bg7 6. Qe2 Bd7 7. h4 Nc6 8. hxg5 hxg5 9. Rxh8 Bxh8 10. O-O-O) 4. Nfd2 c5? { (1.20 → 2.38) Mistake. Best move was Nc6. } (4... Nc6 5. c3) 5. dxc5 Bxc5 6. Qxg4 Qf6?! { (1.88 → 2.45) Inaccuracy. Best move was Nc6. } (6... Nc6 7. Nb3 Nf6 8. Qe2 Bb4+ 9. c3 Be7 10. e5 Nd5 11. g3 d6 12. c4 Nb6 13. exd6) 7. Qf3?! { (2.45 → 1.67) Inaccuracy. Best move was Qe2. } (7. Qe2 Nc6 8. Nb3 Bb4+ 9. c3 Be7 10. h4 Qg7 11. Na3 a6 12. Nc4 b5 13. Nb6 Rb8) 7... Nh6?? { (1.67 → 20.71) Blunder. Best move was Nc6. } (7... Nc6 8. Nc3) 8. Qxf6 Ng4 9. Qxh8+ Ke7 10. Qxc8 Bxf2+ 11. Ke2 Bd4 12. Qxb7 Nc6 13. Qxa8 Nb4 14. c3 Nc2 15. cxd4 Nxd4+ 16. Kd3 Nc6 17. Ke2 Nb4 18. Qxa7 Nc2 19. h3 Ne5 20. g4 Nxa1 21. Bg2 Nc2 22. Kd1 Nd3 23. Kxc2 Nf2?! { (38.80 → Mate in 8) Checkmate is now unavoidable. Best move was Nb4+. } (23... Nb4+ 24. Kc3) 24. Qxf2 f5 25. Rf1 fxe4 26. Qf7+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qf8#. } (26. Qf8#) 26... Kd6 27. Nxe4+ Ke5 28. Bf4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qh5+. } (28. Qh5+ Kd4 29. Qc5#) 28... Kd4 29. Rd1+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Na3. } (29. Na3 d6 30. Rd1#) 29... Kc4 30. Bf1+ Kb4 31. Bd6+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rd4+. } (31. Rd4+ Ka5 32. Bc7#) 31... Ka5 32. b4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bc7+. } (32. Bc7+ Kb4 33. Rd4#) 32... Ka4 33. Nbc3+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Nec3#. } (33. Nec3#) 33... Ka3 34. b5# { White wins by checkmate. } 1-0