lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/EypYrWma"] [Date "2020.12.01"] [Round "-"] [White "BotezDavid02"] [Black "tudor1812"] [Result "0-1"] [UTCDate "2020.12.01"] [UTCTime "17:16:13"] [WhiteElo "1147"] [BlackElo "1324"] [WhiteRatingDiff "-58"] [BlackRatingDiff "+69"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nc3?! { (0.53 → -0.15) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game: Chigorin Variation } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... c6?! { (-0.15 → 0.66) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3 c5 7. a3) 3. Nxd5?? { (0.66 → -3.70) Blunder. Best move was e4. } (3. e4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Bd3 Bxd3 8. Qxd3 e6 9. c4 Nbd7) 3... cxd5 4. Be3?! { (-3.25 → -4.13) Inaccuracy. Best move was c3. } (4. c3 Nc6) 4... Nf6?! { (-4.13 → -3.49) Inaccuracy. Best move was Qb6. } (4... Qb6 5. Bc1 Bf5 6. Nf3 e6 7. Nh4 Bg4 8. c3 Bh5 9. g3 Nc6 10. Bg2 h6 11. O-O) 5. c4? { (-3.49 → -5.07) Mistake. Best move was c3. } (5. c3) 5... e6? { (-5.07 → -3.82) Mistake. Best move was dxc4. } (5... dxc4) 6. Qb3? { (-3.82 → -5.88) Mistake. Best move was Bd2. } (6. Bd2 dxc4 7. e3 Qd5 8. Rc1 Nc6 9. Rxc4 Be7 10. Nf3 O-O 11. Rc1 e5 12. Bc4 Qe4) 6... Nc6 7. O-O-O?? { (-5.42 → -8.87) Blunder. Best move was c5. } (7. c5 b6) 7... Bd7?! { (-8.87 → -7.94) Inaccuracy. Best move was Na5. } (7... Na5 8. Qd3 Nxc4 9. Kb1 Ng4 10. Nh3 Ngxe3 11. fxe3 Bd7 12. e4 Rc8 13. exd5 Ba4 14. dxe6) 8. Qxb7? { (-7.94 → -12.79) Mistake. Best move was c5. } (8. c5 b6 9. Nf3 bxc5 10. dxc5 Rb8 11. Qa3 Rb5 12. Kb1 e5 13. g4 Nxg4 14. Bh3 Bf5+) 8... Bd6?? { (-12.79 → -5.40) Blunder. Best move was Rb8. } (8... Rb8) 9. Qxd7+?? { (-5.40 → -13.48) Blunder. Best move was c5. } (9. c5 Rb8) 9... Nxd7 10. cxd5 exd5 11. Bf4 Nf6 12. Be5 Bf8 13. Bxf6 gxf6 14. e4 Qc7 15. Bb5 Rb8 16. Bc4 Nd8 17. Nf3?! { (-29.66 → Mate in 7) Checkmate is now unavoidable. Best move was b3. } (17. b3 dxc4) 17... Ne6?! { (Mate in 7 → -20.07) Lost forced checkmate sequence. Best move was Qxc4+. } (17... Qxc4+ 18. Kd2 Rxb2+ 19. Ke3 Qe2+ 20. Kf4 Qxe4+ 21. Kg3 Rg8+ 22. Ng5 Rxg5+ 23. Kh3 Qg4#) 18. Ng5?! { (-20.07 → Mate in 5) Checkmate is now unavoidable. Best move was Kb1. } (18. Kb1 Qxc4) 18... Nxg5?! { (Mate in 5 → -27.58) Lost forced checkmate sequence. Best move was Qxc4+. } (18... Qxc4+ 19. Kb1 Qc3 20. b3 Ba3 21. Rd2 Qxd2 22. f3 Qb2#) 19. f4?! { (-27.58 → Mate in 5) Checkmate is now unavoidable. Best move was Kb1. } (19. Kb1 Qxc4) 19... Nxe4?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Qxc4+. } (19... Qxc4+ 20. Kb1 Qe2 21. Rd2 Qxd2 22. b3 Ba3 23. fxg5 Qb2#) 20. Kb1 Rd8?! { (Mate in 7 → -18.70) Lost forced checkmate sequence. Best move was Qxc4. } (20... Qxc4 21. Rhe1 Ba3 22. Rd2 Kd7 23. Rc2 Qd3 24. Kc1 Bxb2+ 25. Rxb2 Rbc8+ 26. Rc2 Qxc2#) 21. Bxd5 Rg8 22. Bxe4 Qe7?? { (-13.27 → -4.05) Blunder. Best move was f5. } (22... f5 23. Bf3 Qxf4 24. Bc6+ Ke7 25. Rhf1 Qxh2 26. Rxf5 Bg7 27. Re1+ Kd6 28. Bf3 Bxd4 29. a4) 23. Bxh7?? { (-4.05 → -14.18) Blunder. Best move was Bc6+. } (23. Bc6+ Rd7 24. Rhe1 Kd8 25. Rxe7 Rxe7 26. Bf3 f5 27. d5 Kd7 28. d6 Re4 29. Rd5 Rxf4) 23... Bg7?? { (-14.18 → -4.25) Blunder. Best move was Rxg2. } (23... Rxg2 24. Rc1 Qb4 25. Bc2 Qxd4 26. Rhd1 Qxf4 27. Rf1 Qc4 28. Bb3 Qd3+ 29. Ka1 Qd4 30. Rfe1+) 24. Bxg8?? { (-4.25 → -10.89) Blunder. Best move was Rde1. } (24. Rde1 Rh8) 24... Bh8?? { (-10.89 → 1.17) Blunder. Best move was Qe4+. } (24... Qe4+) 25. Bxf7+?? { (1.17 → -10.66) Blunder. Best move was Rhe1. } (25. Rhe1 f5) 25... Kxf7 26. d5 Rg8 27. Rde1 Qb7 28. Re6?! { (-10.03 → Mate in 7) Checkmate is now unavoidable. Best move was d6. } (28. d6 Qxg2) 28... Kg7? { (Mate in 7 → -9.61) Lost forced checkmate sequence. Best move was Rxg2. } (28... Rxg2 29. b3 Qxd5 30. Re7+ Kxe7 31. Re1+ Kf7 32. Re7+ Kxe7 33. Kc1 Qd2+ 34. Kb1 Qb2#) 29. Rxf6? { (-9.61 → Mate in 6) Checkmate is now unavoidable. Best move was Rhe1. } (29. Rhe1 Qxd5) 29... Kxf6 30. Ka1 Rxg2 31. Rf1 Rxh2?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qxb2#. } (31... Qxb2#) 32. f5 Qxb2# { Black wins by checkmate. } 0-1