lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/BQnAb8np"] [Date "2021.01.04"] [Round "-"] [White "luchi"] [Black "cristinach"] [Result "1-0"] [UTCDate "2021.01.04"] [UTCTime "17:24:47"] [WhiteElo "1222"] [BlackElo "1096"] [WhiteRatingDiff "+32"] [BlackRatingDiff "-21"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Polish Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 b5? { (-0.02 → 1.21) Mistake. Best move was e6. } { A04 Zukertort Opening: Polish Defense } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. b4? { (1.21 → -0.01) Mistake. Best move was e4. } (2. e4 Bb7) 2... d5?! { (-0.01 → 0.73) Inaccuracy. Best move was e6. } (2... e6 3. a4) 3. h4? { (0.73 → -0.55) Mistake. Best move was a4. } (3. a4 e6) 3... Bf5? { (-0.55 → 1.31) Mistake. Best move was a5. } (3... a5 4. bxa5) 4. h5? { (1.31 → -0.31) Mistake. Best move was a4. } (4. a4 e6) 4... Nc6? { (-0.31 → 1.22) Mistake. Best move was a5. } (4... a5 5. bxa5 Rxa5 6. Bb2 c5 7. d3 Nf6 8. Nbd2 Nbd7 9. h6 d4 10. e4 dxe3 11. fxe3) 5. a3? { (1.22 → 0.21) Mistake. Best move was c3. } (5. c3 a6) 5... Na5?? { (0.21 → 4.53) Blunder. Best move was Nf6. } (5... Nf6 6. Bb2) 6. bxa5 a6?! { (4.05 → 4.75) Inaccuracy. Best move was c6. } (6... c6 7. e3 Bg4 8. Bb2 h6 9. Be2 Bxf3 10. Bxf3 Nf6 11. O-O Qxa5 12. d4 e6 13. Nd2) 7. Ra2? { (4.75 → 3.34) Mistake. Best move was a4. } (7. a4 b4 8. d3 c5 9. Nbd2 Nf6 10. Ne5 h6 11. e4 dxe4 12. Bb2 e6 13. g4 Bh7) 7... Ra7? { (3.34 → 4.61) Mistake. Best move was Nf6. } (7... Nf6 8. a4) 8. Rb2? { (4.61 → 3.29) Mistake. Best move was d4. } (8. d4 c6) 8... Rb7? { (3.29 → 4.79) Mistake. Best move was c6. } (8... c6 9. d3) 9. Rb3? { (4.79 → 3.00) Mistake. Best move was d3. } (9. d3 c6 10. Bd2 Nf6 11. c4 h6 12. cxd5 cxd5 13. a4 b4 14. Rxb4 Qc7 15. Bc3 Rxb4) 9... d4? { (3.00 → 5.49) Mistake. Best move was c5. } (9... c5 10. d3) 10. Nxd4?? { (5.49 → 1.70) Blunder. Best move was e3. } (10. e3) 10... Rb6?? { (1.70 → 11.08) Blunder. Best move was Qxd4. } (10... Qxd4 11. e3 Qd7 12. d4 Nf6 13. Nd2 c6 14. Be2 Qc7 15. O-O g6 16. Bf3 gxh5 17. e4) 11. Nxf5 g6 12. h6 gxf5 13. Rf3?? { (13.12 → 6.39) Blunder. Best move was axb6. } (13. axb6 c5 14. c4 Nxh6 15. b7 Qb6 16. cxb5 a5 17. Rbh3 Ng4 18. Qa4 Nf6 19. b8=Q+ Qxb8) 13... b4?? { (6.39 → 13.08) Blunder. Best move was Rxh6. } (13... Rxh6) 14. a4? { (13.08 → 7.15) Mistake. Best move was axb6. } (14. axb6 cxb6) 14... Rxh6 15. Rxh6 b3?? { (6.55 → 14.83) Blunder. Best move was Nxh6. } (15... Nxh6 16. d4 Qd5 17. Rh3 Ng4 18. e3 e6 19. Qf3 Qxa5 20. Qc6+ Kd8 21. Nd2 Qb6 22. Qa8+) 16. Rxa6 Qd5 17. Ra7 Qe6 18. Rxc7 Qd6 19. Rc8+ Kd7 20. Rxf8 Nf6 21. Rxh8 h5 22. Rxh5 Nxh5 23. Rxf5 Ng7 24. Rxf7 Nh5 25. a6 bxc2?! { (26.52 → Mate in 17) Checkmate is now unavoidable. Best move was Qg6. } (25... Qg6 26. cxb3) 26. Qxc2 Qxa6?! { (74.16 → Mate in 10) Checkmate is now unavoidable. Best move was Ke8. } (26... Ke8 27. a7) 27. Qc5 Qxa4 28. Qxe7+?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Rxe7+. } (28. Rxe7+ Kd8 29. Qc7#) 28... Kc6 29. Qe5?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qc7+. } (29. Qc7+ Kb5 30. Nc3+ Kb4 31. Qb6+ Kc4 32. e3#) 29... Qc4 30. Qxh5?? { (Mate in 5 → Mate in 1) Lost forced checkmate sequence. Best move was Rc7+. } (30. Rc7+ Kb6 31. Rxc4 Ng7 32. Qc7+ Kb5 33. Na3+ Ka6 34. Ra4#) 30... Qb3?? { (Mate in 1 → Mate in 5) Lost forced checkmate sequence. Best move was Qxc1#. } (30... Qxc1#) 31. Rf6+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qg6+. } (31. Qg6+ Kc5 32. Ba3+ Kc4 33. Qc6+ Kd4 34. Rf4+ Ke5 35. Qe4#) 31... Kb7 32. Qh7+ Kb8 33. Rf8# { White wins by checkmate. } 1-0