lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/B3cDCgi5"] [Date "2021.04.05"] [Round "-"] [White "vepex_fan"] [Black "Best"] [Result "1-0"] [UTCDate "2021.04.05"] [UTCTime "17:19:39"] [WhiteElo "2190"] [BlackElo "1877"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Polish Opening: Outflank Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. b4?! { (0.15 → -0.55) Inaccuracy. Best move was e4. } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... c6?! { (-0.55 → -0.01) Inaccuracy. Best move was d5. } { A00 Polish Opening: Outflank Variation } (1... d5 2. Nf3 Nf6 3. e3 Bf5 4. Bb2 e6 5. c4 Bxb4 6. cxd5) 2. Bb2 d5 3. f4? { (0.01 → -1.04) Mistake. Best move was e3. } (3. e3 Nf6 4. a3 Bg4 5. Be2 Bxe2 6. Qxe2 a5 7. b5 Nbd7 8. f4 e6 9. Nf3 Bc5) 3... Nf6? { (-1.04 → -0.02) Mistake. Best move was Bg4. } (3... Bg4) 4. g3? { (-0.02 → -1.22) Mistake. Best move was e3. } (4. e3 e6 5. a3 b5 6. Nf3 a5 7. bxa5 Rxa5 8. Be2 Be7 9. O-O O-O 10. Qe1 Bb7) 4... Qb6? { (-1.22 → -0.20) Mistake. Best move was Bf5. } (4... Bf5 5. e3) 5. c3? { (-0.20 → -1.48) Mistake. Best move was a3. } (5. a3 Bg4 6. Nf3 e6 7. Bg2 a5 8. Bd4 Qd8 9. c3 Nbd7 10. O-O axb4 11. cxb4 c5) 5... a5 6. b5?! { (-1.33 → -1.94) Inaccuracy. Best move was a3. } (6. a3 Bf5 7. Bh3 Bxh3 8. Nxh3 e6 9. e3 Be7 10. Qe2 O-O 11. d3 axb4 12. cxb4 c5) 6... Qxb5?! { (-1.94 → -1.37) Inaccuracy. Best move was Bg4. } (6... Bg4 7. Nf3) 7. Qc2?! { (-1.37 → -2.12) Inaccuracy. Best move was Ba3. } (7. Ba3 Qb6 8. Nf3 Bf5 9. d4 h5 10. Nbd2 Nbd7 11. Bg2 Ng4 12. Nf1 e6 13. Bxf8 Nxf8) 7... e6?! { (-2.12 → -1.26) Inaccuracy. Best move was g6. } (7... g6 8. e3 Qb6 9. Bh3 Bxh3 10. Nxh3 Bg7 11. O-O O-O 12. Nf2 Nbd7 13. c4 Rfc8 14. Na3) 8. e4?! { (-1.26 → -1.78) Inaccuracy. Best move was e3. } (8. e3 Qc5 9. d4 Qa7 10. Nf3 b6 11. Ne5 Be7 12. Nd2 O-O 13. a4 Ba6 14. Bg2 Rc8) 8... Qc5? { (-1.78 → -0.75) Mistake. Best move was Qb6. } (8... Qb6 9. e5 Ng4 10. Nh3 h5 11. Be2 c5 12. Bc1 Qc6 13. Na3 c4 14. d4 cxd3 15. Qxd3) 9. d4 Qb6 10. e5 Nfd7? { (-1.73 → -0.59) Mistake. Best move was Ng4. } (10... Ng4 11. Nf3 c5 12. Qb3 Qa7 13. Na3 c4 14. Qc2 Bd7 15. Qe2 b5 16. Nc2 b4 17. Bg2) 11. Nf3 c5 12. Na3 cxd4?! { (-0.67 → -0.02) Inaccuracy. Best move was c4. } (12... c4 13. Bh3) 13. cxd4 Bb4+ 14. Kd1? { (0.00 → -1.24) Mistake. Best move was Kf2. } (14. Kf2 O-O 15. Bd3 h6 16. Nb5 Be7 17. a3 Qd8 18. Rac1 Nb6 19. Nc7 Ra7 20. Bh7+ Kh8) 14... Nc6 15. Nb5 O-O? { (-1.14 → 1.68) Mistake. Best move was Be7. } (15... Be7 16. a3 h6 17. h4 Qd8 18. Ke1 Nb6 19. Kf2 Bd7 20. Rc1 a4 21. Bc3 Qb8 22. g4) 16. a4?? { (1.68 → -1.71) Blunder. Best move was Ng5. } (16. Ng5) 16... f6? { (-1.71 → -0.14) Mistake. Best move was Be7. } (16... Be7 17. Bd3 h6 18. Ke2 Nb4 19. Qb3 Qd8 20. Kf2 Nb6 21. Be2 Nc4 22. Na3 Bd7 23. Nxc4) 17. exf6?? { (-0.14 → -3.73) Blunder. Best move was Bd3. } (17. Bd3) 17... Nxf6 18. Bd3? { (-3.33 → -4.40) Mistake. Best move was Ne5. } (18. Ne5 Ne4) 18... g6?? { (-4.40 → -1.29) Blunder. Best move was e5. } (18... e5 19. dxe5) 19. Bxg6 hxg6? { (-2.34 → 0.00) Mistake. Best move was Bd7. } (19... Bd7 20. Bd3) 20. Qxg6+ Kh8 21. Ne5?? { (0.00 → -4.80) Blunder. Best move was Qh6+. } (21. Qh6+ Kg8 22. Qg6+ Kh8) 21... Nxe5 22. fxe5? { (-4.32 → -5.42) Mistake. Best move was dxe5. } (22. dxe5 Qe3) 22... Nh7 23. Rc1 Rg8? { (-4.83 → -3.43) Mistake. Best move was Qd8. } (23... Qd8) 24. Qf7 Qd8?? { (-3.72 → 5.35) Blunder. Best move was Rf8. } (24... Rf8 25. Qc7) 25. Rc7 Nf8?? { (4.99 → Mate in 2) Checkmate is now unavoidable. Best move was Qxc7. } (25... Qxc7) 26. Qh5+ { Black resigns. } 1-0