lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/YerPLvgy"] [Date "2021.01.17"] [Round "-"] [White "Stefanos"] [Black "Betsi"] [Result "1-0"] [UTCDate "2021.01.17"] [UTCTime "17:18:35"] [WhiteElo "1502"] [BlackElo "1802"] [WhiteRatingDiff "+19"] [BlackRatingDiff "-112"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } Qh4? { (-0.16 → 1.31) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. Qf3?! { (1.31 → 0.63) Inaccuracy. Best move was Nc3. } (3. Nc3 Bc5) 3... Nf6 4. d3?! { (0.67 → 0.17) Inaccuracy. Best move was Nc3. } (4. Nc3 Bc5) 4... d6?! { (0.17 → 0.71) Inaccuracy. Best move was Nc6. } (4... Nc6) 5. Qg3?! { (0.71 → 0.12) Inaccuracy. Best move was Nc3. } (5. Nc3 Be7 6. Bd2 O-O 7. h3 c6 8. a4 Be6 9. Nge2 Nfd7 10. O-O-O Nb6 11. g3 Qf6) 5... Qxg3 6. fxg3?! { (0.46 → -0.44) Inaccuracy. Best move was hxg3. } (6. hxg3 c6) 6... Nc6?! { (-0.44 → 0.34) Inaccuracy. Best move was c6. } (6... c6 7. Nf3 Nbd7 8. Be3 d5 9. exd5 cxd5 10. Bb3 Bb4+ 11. c3 Bd6 12. Na3 a6 13. O-O) 7. Bg5? { (0.34 → -1.07) Mistake. Best move was Nf3. } (7. Nf3) 7... Nd4 8. Bb3 Nxb3?! { (-0.87 → -0.06) Inaccuracy. Best move was a5. } (8... a5) 9. cxb3?! { (-0.06 → -0.96) Inaccuracy. Best move was axb3. } (9. axb3 Be7) 9... Be7 10. Bxf6?! { (-0.50 → -1.10) Inaccuracy. Best move was Nc3. } (10. Nc3 c6) 10... Bxf6 11. Nf3 Bg4 12. O-O?! { (-0.60 → -1.21) Inaccuracy. Best move was Nbd2. } (12. Nbd2 h5 13. Ke2 O-O-O 14. h3 Be6 15. Nc4 c6 16. Ne3 g6 17. g4 Kc7 18. Rac1 Be7) 12... Bxf3?! { (-1.21 → -0.52) Inaccuracy. Best move was c6. } (12... c6) 13. gxf3 O-O?! { (-0.87 → -0.09) Inaccuracy. Best move was h5. } (13... h5) 14. Nc3 Rad8 15. Nd5 c6?! { (-0.22 → 0.38) Inaccuracy. Best move was Rd7. } (15... Rd7) 16. Nc7?? { (0.38 → -5.12) Blunder. Best move was Nxf6+. } (16. Nxf6+ gxf6) 16... Rd7 17. Nd5?! { (-4.77 → -5.53) Inaccuracy. Best move was Na6. } (17. Na6 bxa6 18. Rac1 Rc8 19. h4 g6 20. Kg2 Kg7 21. Rf2 a5 22. Rh1 Bd8 23. h5 Bb6) 17... cxd5 18. exd5 Rc7 19. f4? { (-5.26 → -6.30) Mistake. Best move was Rac1. } (19. Rac1 Rfc8) 19... exf4 20. gxf4? { (-5.96 → -7.35) Mistake. Best move was Rxf4. } (20. Rxf4 Rc2) 20... Rc2 21. Rf2?? { (-6.81 → -10.30) Blunder. Best move was b4. } (21. b4 Bxb2) 21... Bd4 22. Kf1? { (-9.99 → Mate in 7) Checkmate is now unavoidable. Best move was Rf1. } (22. Rf1 Rfc8) 22... Rxf2+ 23. Ke1 Rxh2?! { (Mate in 5 → Mate in 17) Not the best checkmate sequence. Best move was Re8+. } (23... Re8+ 24. Kd1 Be3 25. b4 Bxf4 26. b5 Rd2+ 27. Kc1 Re1#) 24. Kf1 Bxb2 25. Re1 Bc3?! { (Mate in 9 → -14.15) Lost forced checkmate sequence. Best move was Rh1+. } (25... Rh1+ 26. Kf2 Bd4+ 27. Kg3 Rxe1 28. f5 Rfe8 29. Kf4 R8e3 30. f6 Be5+ 31. Kf5 Rf1+ 32. Kg4) 26. Rc1 Re8 27. Rxc3 Ree2?? { (-10.51 → Mate in 2) Checkmate is now unavoidable. Best move was Rxa2. } (27... Rxa2 28. Rc4 Rb2 29. Rc3 a6 30. Rc7 Rxb3 31. Rd7 Rb2 32. Rc7 Rd8 33. Rc4 b5 34. Rc7) 28. Rc8+ Re8 29. Rxe8# { White wins by checkmate. } 1-0