lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/Abn245MW"] [Date "2020.11.01"] [Round "-"] [White "alexandrustratulat"] [Black "Harypoter"] [Result "0-1"] [UTCDate "2020.11.01"] [UTCTime "17:02:05"] [WhiteElo "1320"] [BlackElo "1606"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e3?! { (0.53 → 0.02) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game #2 } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... Nc6?! { (0.02 → 0.87) Inaccuracy. Best move was e6. } (2... e6 3. Nf3 c5 4. c4 Nf6 5. cxd5 exd5 6. Be2 cxd4 7. Nxd4) 3. c3? { (0.87 → -0.13) Mistake. Best move was c4. } (3. c4 e6 4. Nf3 Nf6 5. a3 g6 6. Nc3 Bg7 7. Bd3 O-O 8. O-O b6 9. b4 a6) 3... Nf6?! { (-0.13 → 0.54) Inaccuracy. Best move was Bf5. } (3... Bf5 4. Nf3 e6 5. Bb5 Bd6 6. c4 dxc4 7. Nbd2 Ne7 8. Bxc4 e5 9. O-O O-O 10. Bb3) 4. f4? { (0.54 → -0.70) Mistake. Best move was Nf3. } (4. Nf3 e6 5. c4 Bd6 6. Be2 O-O 7. O-O b6 8. b3 Ne7 9. Bb2 c5 10. Nc3 Bb7) 4... Bg4?! { (-0.70 → 0.25) Inaccuracy. Best move was Bf5. } (4... Bf5 5. Nf3 e6 6. Bd3 Bd6 7. Bxf5 exf5 8. O-O O-O 9. b3 Ne7 10. c4 c6 11. Nbd2) 5. Qb3? { (0.25 → -0.93) Mistake. Best move was Be2. } (5. Be2 Bf5 6. Nf3 e6 7. O-O Bd6 8. Nh4 O-O 9. Nd2 Rb8 10. Nxf5 exf5 11. Nf3 Ne7) 5... Ne4? { (-0.93 → 1.06) Mistake. Best move was Rb8. } (5... Rb8) 6. h3? { (1.06 → -0.77) Mistake. Best move was Qxb7. } (6. Qxb7 Bd7 7. Qb3 e6 8. Nf3 Bd6 9. Nbd2 f5 10. Be2 O-O 11. O-O Ne7 12. Nxe4 fxe4) 6... Bh5?? { (-0.77 → 5.49) Blunder. Best move was Bc8. } (6... Bc8 7. Nd2 Ng3 8. Rh2 e6 9. Bd3 f5 10. Ne2 Ne4 11. g4 Be7 12. Rg2 O-O 13. Kf1) 7. g4?? { (5.49 → 2.29) Blunder. Best move was Qxb7. } (7. Qxb7 Nxd4) 7... Bg6?? { (2.29 → 6.06) Blunder. Best move was e6. } (7... e6 8. Qxb7) 8. Rh2?? { (6.06 → -0.09) Blunder. Best move was Qxb7. } (8. Qxb7 e6) 8... Ng3?? { (-0.09 → 6.18) Blunder. Best move was Qd6. } (8... Qd6 9. Qxb7 Rb8 10. Qa6 e6 11. Bb5 Rb6 12. Qc8+ Qd8 13. Qxd8+ Kxd8 14. Bd3 Be7 15. Nf3) 9. Bb5?? { (6.18 → -1.03) Blunder. Best move was Qxb7. } (9. Qxb7 e6) 9... Bd3?? { (-1.03 → 6.65) Blunder. Best move was e6. } (9... e6 10. Qa4 Bd6 11. Bxc6+ bxc6 12. Qxc6+ Kf8 13. Rg2 Ne4 14. Nf3 h5 15. g5 Bf5 16. Rh2) 10. Kd2?? { (6.65 → -1.49) Blunder. Best move was Bxd3. } (10. Bxd3) 10... Bxb5 11. Qxb5 Rb8? { (-1.61 → 0.16) Mistake. Best move was Qd7. } (11... Qd7 12. Ke1 O-O-O 13. Nd2 e6 14. Ne2 Nxe2 15. Qxe2 Bd6 16. Nf3 h5 17. b4 Kb8 18. a4) 12. a4?! { (0.16 → -0.83) Inaccuracy. Best move was Rg2. } (12. Rg2 Ne4+ 13. Kc2 e6 14. Nd2 a6 15. Qd3 f5 16. Ngf3 g6 17. gxf5 exf5 18. Qe2 Be7) 12... a6 13. Qd3 Ne4+?! { (-0.79 → -0.28) Inaccuracy. Best move was h5. } (13... h5 14. Rg2 Na5 15. Kc2 Ne4 16. b4 Nc4 17. Nd2 Ncxd2 18. Bxd2 g6 19. Nf3 Qd7 20. Be1) 14. Kc2?! { (-0.28 → -0.87) Inaccuracy. Best move was Kd1. } (14. Kd1) 14... b5? { (-0.87 → 0.36) Mistake. Best move was Na5. } (14... Na5 15. b4) 15. axb5?! { (0.36 → -0.30) Inaccuracy. Best move was Nd2. } (15. Nd2 Nxd2 16. Bxd2 h5 17. Nf3 e6 18. Rhh1 b4 19. Qxa6 Rb6 20. Qf1 Qa8 21. g5 bxc3) 15... axb5 16. c4?? { (0.36 → -14.74) Blunder. Best move was Nd2. } (16. Nd2 Nxd2 17. Bxd2 e6 18. Nf3 b4 19. c4 b3+ 20. Kd1 Bb4 21. Bxb4 Rxb4 22. cxd5 Qxd5) 16... bxc4?? { (-14.74 → -3.66) Blunder. Best move was Nb4+. } (16... Nb4+) 17. Qd1?? { (-3.66 → Mate in 1) Checkmate is now unavoidable. Best move was Qa3. } (17. Qa3 Qd7 18. Qa4 h5 19. Nc3 Nxc3 20. bxc3 hxg4 21. Kd1 g6 22. Raa2 gxh3 23. f5 gxf5) 17... e6?? { (Mate in 1 → -4.50) Lost forced checkmate sequence. Best move was Nb4#. } (17... Nb4#) 18. Nf3?? { (-4.50 → Mate in 1) Checkmate is now unavoidable. Best move was Nc3. } (18. Nc3) 18... f6?? { (Mate in 1 → -4.03) Lost forced checkmate sequence. Best move was Nb4#. } (18... Nb4#) 19. g5?? { (-4.03 → Mate in 1) Checkmate is now unavoidable. Best move was Nc3. } (19. Nc3 Bd6) 19... fxg5?? { (Mate in 1 → -5.09) Lost forced checkmate sequence. Best move was Nb4#. } (19... Nb4#) 20. fxg5?? { (-5.09 → Mate in 1) Checkmate is now unavoidable. Best move was Nc3. } (20. Nc3 gxf4 21. Qg1 Qf6 22. Nxe4 dxe4 23. Ne5 Nxe5 24. dxe5 Qxe5 25. exf4 Qb5 26. Qd4 e3) 20... Nxg5?? { (Mate in 1 → -4.89) Lost forced checkmate sequence. Best move was Nb4#. } (20... Nb4#) 21. Qd2?? { (-4.89 → -14.48) Blunder. Best move was Nc3. } (21. Nc3 Nxf3 22. Qxf3 Bd6 23. Rg2 g6 24. Kb1 Rf8 25. Qg4 Qf6 26. Ra4 Ne7 27. Rg1 Kd7) 21... Nxf3 22. Qd1 Nxh2 23. Qg1 Nf3 24. Qf2 Nh4 25. e4 dxe4 26. Kc3 Bc5 27. dxc5?! { (-26.41 → Mate in 1) Checkmate is now unavoidable. Best move was Be3. } (27. Be3 e5) 27... Qd3# { Black wins by checkmate. } 0-1