lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/WcL8UdY4"] [Date "2020.12.28"] [Round "-"] [White "ericraulmic"] [Black "Stefanos"] [Result "1-0"] [UTCDate "2020.12.28"] [UTCTime "18:01:47"] [WhiteElo "1627"] [BlackElo "1263"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "St. George Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 a6?! { (0.12 → 0.84) Inaccuracy. Best move was e6. } { B00 St. George Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. d4 a5? { (0.42 → 1.71) Mistake. Best move was e6. } (2... e6) 3. Nf3 a4?! { (1.09 → 1.86) Inaccuracy. Best move was d6. } (3... d6) 4. Nc3?! { (1.86 → 1.26) Inaccuracy. Best move was Bd3. } (4. Bd3 d6 5. O-O Nd7 6. Bf4 e6 7. Nc3 Ne7 8. Bg3 Ng6 9. h4 e5 10. h5 Nf4) 4... a3 5. bxa3?! { (1.72 → 1.02) Inaccuracy. Best move was b4. } (5. b4 e6 6. Rb1 d5 7. e5 Ne7 8. Nb5 Nf5 9. Bd3 Be7 10. O-O O-O 11. c3 Nd7) 5... b6? { (1.02 → 2.24) Mistake. Best move was e6. } (5... e6 6. Bf4 d6 7. Bd3 Nf6 8. O-O Be7 9. Re1 O-O 10. Bc1 e5 11. Nd5 exd4 12. Nxd4) 6. Bc4? { (2.24 → 1.04) Mistake. Best move was Rb1. } (6. Rb1 e6) 6... b5? { (1.04 → 3.04) Mistake. Best move was e6. } (6... e6) 7. Bb3? { (3.04 → 1.98) Mistake. Best move was Bxb5. } (7. Bxb5 e6) 7... b4? { (1.98 → 3.94) Mistake. Best move was c6. } (7... c6 8. O-O) 8. axb4 c5?? { (3.51 → 6.58) Blunder. Best move was e6. } (8... e6 9. b5 Bb4 10. Bd2 d6 11. a4 Ne7 12. Ne2 Ba5 13. O-O Nd7 14. Bxa5 Rxa5 15. Qd3) 9. bxc5?! { (6.58 → 5.79) Inaccuracy. Best move was dxc5. } (9. dxc5 e6 10. Bf4 Na6 11. Qd4 Nxb4 12. Qxb4 Qa5 13. Qxa5 Rxa5 14. Bd6 Bxd6 15. cxd6 Bb7) 9... d5?? { (5.79 → 9.35) Blunder. Best move was Ba6. } (9... Ba6 10. e5) 10. Bxd5?! { (9.35 → 8.61) Inaccuracy. Best move was exd5. } (10. exd5 e6) 10... e5? { (8.61 → 11.07) Mistake. Best move was Qa5. } (10... Qa5 11. Bxa8 Nf6 12. Rb1 Qxa8 13. e5 Ne4 14. Nxe4 Qxe4+ 15. Qe2 Qxe2+ 16. Kxe2 Na6 17. c4) 11. Bxa8 f5 12. exf5 g5 13. fxg6 h5 14. Nxe5 Ke7 15. Nc6+ Ke6?! { (29.82 → Mate in 9) Checkmate is now unavoidable. Best move was Nxc6. } (15... Nxc6) 16. Nxd8+?! { (Mate in 9 → 45.90) Lost forced checkmate sequence. Best move was Qe2+. } (16. Qe2+ Kd7 17. Nxb8+ Kc7 18. Bf4+ Qd6 19. cxd6+ Bxd6 20. Qe8 Kxb8 21. Bxd6+ Ka7 22. Qa4+ Ba6) 16... Kd7 17. Nf7 Bb7 18. Bxb7 Na6?! { (43.84 → Mate in 5) Checkmate is now unavoidable. Best move was Nf6. } (18... Nf6 19. Nxh8) 19. Bxa6?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qf3. } (19. Qf3 Ne7 20. Qf6 Ke8 21. Bc6+ Nxc6 22. Qxc6+ Ke7 23. Nd5#) 19... Bxc5 20. dxc5+ Ke7 21. Nxh8?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qd8+. } (21. Qd8+ Ke6 22. Bc8#) 21... Nf6 22. Qd6+ Ke8 23. Qxf6?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nd5. } (23. Nd5 Nxd5 24. Bb5#) 23... h4 24. g7?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Bb5#. } (24. Bb5#) 24... h3 25. g8=Q+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Bb5#. } (25. Bb5#) 25... Kd7 26. Qgf7# { White wins by checkmate. } 1-0