lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/ZL3LPuYR"] [Date "2020.10.30"] [Round "-"] [White "alexandrustratulat"] [Black "Odinokii_Voron"] [Result "0-1"] [UTCDate "2020.10.30"] [UTCTime "17:42:22"] [WhiteElo "1317"] [BlackElo "1992"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e4? { (0.53 → -0.55) Mistake. Best move was c4. } { D00 Blackmar-Diemer Gambit } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... dxe4 3. g4? { (-0.05 → -2.15) Mistake. Best move was Nc3. } (3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3 Be7 7. Ne4 Nbd7) 3... Nf6? { (-2.15 → -0.45) Mistake. Best move was e5. } (3... e5 4. Nc3 Nc6 5. dxe5 Qxd1+ 6. Nxd1 Bxg4 7. Bf4 Nge7 8. Ne3 Bh5 9. Be2 Bxe2 10. Nxe2) 4. f4?? { (-0.45 → -4.42) Blunder. Best move was g5. } (4. g5) 4... Bxg4 5. Qd2? { (-4.13 → -5.28) Mistake. Best move was Be2. } (5. Be2 Bf5 6. Be3 e6 7. c4 c5 8. Nc3 cxd4 9. Qxd4 Qxd4 10. Bxd4 Nc6 11. Be3 O-O-O) 5... c5? { (-5.28 → -4.16) Mistake. Best move was e6. } (5... e6 6. h3) 6. dxc5?! { (-4.16 → -4.81) Inaccuracy. Best move was d5. } (6. d5) 6... Qxd2+? { (-4.81 → -2.65) Mistake. Best move was Nbd7. } (6... Nbd7) 7. Kxd2? { (-2.65 → -5.06) Mistake. Best move was Nxd2. } (7. Nxd2) 7... e6 8. Bb5+ Nc6 9. b4? { (-4.83 → -6.38) Mistake. Best move was Bxc6+. } (9. Bxc6+ bxc6 10. Ke1 Rd8 11. Nc3 Bxc5 12. h3 Bh5 13. Nge2 a5 14. Rg1 Bxg1 15. Nxg1 Nd5) 9... a6? { (-6.38 → -4.32) Mistake. Best move was a5. } (9... a5 10. Bxc6+) 10. Be2? { (-4.32 → -6.10) Mistake. Best move was Bxc6+. } (10. Bxc6+ bxc6) 10... Rd8+?! { (-6.10 → -5.11) Inaccuracy. Best move was a5. } (10... a5) 11. Ke3?? { (-5.11 → -9.86) Blunder. Best move was Kc3. } (11. Kc3 g6) 11... Bxe2? { (-9.86 → -7.65) Mistake. Best move was Nxb4. } (11... Nxb4 12. Bxg4 Nxg4+ 13. Ke2 Nxc2 14. Bb2 Bxc5 15. Nd2 Nxa1 16. Nxe4 Bd4 17. Bxa1 Bxa1 18. Nf3) 12. Nxe2? { (-7.65 → -8.74) Mistake. Best move was Kxe2. } (12. Kxe2) 12... Nxb4 13. c3? { (-8.54 → -17.88) Mistake. Best move was Nd4. } (13. Nd4 Bxc5) 13... Nc2+ 14. Kf2 Nxa1 15. Be3 Nd5?! { (-16.05 → -9.07) Inaccuracy. Best move was Ng4+. } (15... Ng4+ 16. Kg3 Nxe3 17. c6 bxc6 18. Rg1 Bc5 19. Nd4 Bxd4 20. cxd4 Nac2 21. Nd2 Rxd4 22. Nb3) 16. Bd4?! { (-9.07 → -9.64) Inaccuracy. Best move was Rc1. } (16. Rc1 Nxe3) 16... Nc2 17. Rd1?! { (-9.37 → -10.25) Inaccuracy. Best move was Rc1. } (17. Rc1 Nxd4) 17... Nxd4?! { (-10.25 → -9.40) Inaccuracy. Best move was Nxf4. } (17... Nxf4 18. Nxf4) 18. Rxd4?! { (-9.40 → -14.98) Inaccuracy. Best move was cxd4. } (18. cxd4 Be7) 18... Bxc5 19. c4 Bxd4+ 20. Nxd4 O-O 21. cxd5 Rxd5 22. Nxe6 fxe6 23. a4?! { (-17.12 → Mate in 12) Checkmate is now unavoidable. Best move was Ke3. } (23. Ke3 Ra5 24. a3 Ra4 25. Kf2 Rxf4+ 26. Kg3 e5 27. h3 e3 28. Nc3 Rxa3 29. Ne2 Rf2) 23... Rxf4+ 24. Ke3 Rdf5?! { (Mate in 10 → -60.49) Lost forced checkmate sequence. Best move was Rh4. } (24... Rh4 25. Kf2 Rd3 26. Kg2 e3 27. Kf3 Rb3 28. Nc3 Rxc3 29. h3 Rxh3+ 30. Ke2 a5 31. Kf1) 25. Kd4 e5+ 26. Kd5 e3 27. Kc5?! { (-65.66 → Mate in 5) Checkmate is now unavoidable. Best move was Nc3. } (27. Nc3) 27... e2?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Rf6. } (27... Rf6 28. Kd5 e2 29. Nc3 e1=Q 30. Kc5 Qxc3+ 31. Kd5 Qd4#) 28. Nc3 e1=Q 29. Nd5 Qa5+ 30. Kd6 e4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rd4. } (30... Rd4 31. Ke6 Qxd5+ 32. Kxf5 Qf3+ 33. Kxe5 Qf6#) 31. Nxf4 Qe5+ 32. Kd7 Rxf4?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rf7+. } (32... Rf7+ 33. Kd8 Qb8#) 33. Kc8 Rf7 34. Kd8 Qe7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qb8#. } (34... Qb8#) 35. Kc8 Qc7# { Black wins by checkmate. } 0-1