lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/reb8h6uL"] [Date "2021.03.14"] [Round "-"] [White "catana"] [Black "PEDRONAUT"] [Result "0-1"] [UTCDate "2021.03.14"] [UTCTime "17:17:45"] [WhiteElo "1680"] [BlackElo "1756"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+75"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Hungarian Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. g3 { A00 Hungarian Opening } b6?! { (-0.07 → 0.62) Inaccuracy. Best move was d5. } (1... d5 2. Nf3 c5 3. Bg2 Nf6 4. O-O h6 5. e3 Nc6 6. d4) 2. Bg2 Nc6?! { (0.42 → 1.32) Inaccuracy. Best move was d5. } (2... d5 3. c4 e6 4. Nf3 Nf6 5. cxd5 exd5 6. O-O Bd6 7. Nc3 O-O 8. Nb5 Be7 9. d4) 3. b4? { (1.32 → 0.04) Mistake. Best move was d4. } (3. d4 d5 4. c4 e6 5. Nf3 Nf6 6. cxd5 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 exd5 9. Rc1 Bd7) 3... Bb7 4. b5 Na5 5. Bxb7?! { (0.54 → -0.01) Inaccuracy. Best move was Nf3. } (5. Nf3) 5... Nxb7 6. Nc3?! { (0.59 → -0.27) Inaccuracy. Best move was Nf3. } (6. Nf3 Nf6 7. O-O d5 8. d3 e6 9. Nbd2 a6 10. c4 axb5 11. cxb5 Ba3 12. Qb3 Bd6) 6... Nf6 7. Bb2 e6?! { (-0.47 → 0.44) Inaccuracy. Best move was e5. } (7... e5 8. Nf3) 8. Nf3?! { (0.44 → -0.19) Inaccuracy. Best move was e4. } (8. e4 Bb4 9. Nge2 O-O 10. O-O d5 11. exd5 Bxc3 12. Nxc3 exd5 13. a4 Re8 14. Qf3 c5) 8... d5 9. e3?! { (0.21 → -0.47) Inaccuracy. Best move was O-O. } (9. O-O) 9... Nd6? { (-0.47 → 0.56) Mistake. Best move was Bd6. } (9... Bd6 10. O-O) 10. O-O?! { (0.56 → -0.03) Inaccuracy. Best move was Ne5. } (10. Ne5 Be7 11. a4 O-O 12. O-O Qe8 13. Ba3 a6 14. Nc6 Nf5 15. Nxe7+ Nxe7 16. Qe2 axb5) 10... Nfe4? { (-0.03 → 1.29) Mistake. Best move was Nc4. } (10... Nc4 11. Qc1) 11. Nxe4 dxe4 12. Nd4? { (1.38 → 0.32) Mistake. Best move was Ne5. } (12. Ne5) 12... e5? { (0.32 → 2.23) Mistake. Best move was Nc4. } (12... Nc4) 13. Nb3? { (2.23 → 0.61) Mistake. Best move was Nc6. } (13. Nc6 Qc8 14. a4 h5 15. Nxe5 h4 16. g4 f6 17. Nc6 a6 18. Qe2 Nf7 19. d3 exd3) 13... Nxb5?! { (0.61 → 1.41) Inaccuracy. Best move was Nc4. } (13... Nc4 14. Bc3) 14. Qe2?! { (1.41 → 0.69) Inaccuracy. Best move was Qh5. } (14. Qh5 Nd6 15. Qxe5+ Qe7 16. Qh5 h6 17. d3 exd3 18. cxd3 c5 19. Rfd1 Rd8 20. Qf3 Qe6) 14... Qd5?? { (0.69 → 4.21) Blunder. Best move was Qd7. } (14... Qd7) 15. c4 Qd7?! { (3.78 → 4.67) Inaccuracy. Best move was Qe6. } (15... Qe6) 16. cxb5 Bb4? { (4.16 → 6.15) Mistake. Best move was Qd5. } (16... Qd5 17. f4 exf3 18. Rxf3 Bd6 19. d4 e4 20. Rf2 O-O 21. Nd2 Bb4 22. Rc1 a6 23. bxa6) 17. Rfd1? { (6.15 → 4.71) Mistake. Best move was Qc4. } (17. Qc4 Bd6) 17... O-O-O? { (4.71 → 7.24) Mistake. Best move was Bd6. } (17... Bd6 18. d4 exd3 19. Qxd3 Qe7 20. Nd2 O-O 21. Ne4 Rfd8 22. Qc4 Rd7 23. h4 Kh8 24. Rdc1) 18. Bxe5?! { (7.24 → 6.56) Inaccuracy. Best move was Qc4. } (18. Qc4 Bd6) 18... f6 19. Bb2? { (6.99 → 5.72) Mistake. Best move was Bc3. } (19. Bc3) 19... h5 20. a3? { (6.67 → 5.17) Mistake. Best move was Nd4. } (20. Nd4 Bd6) 20... Bd6 21. Rac1 h4 22. a4? { (5.33 → 2.44) Mistake. Best move was g4. } (22. g4) 22... hxg3 23. fxg3 Qh3?? { (2.00 → 5.59) Blunder. Best move was Rh3. } (23... Rh3 24. Kg2) 24. Nd4?? { (5.59 → 0.00) Blunder. Best move was Qg2. } (24. Qg2 Rh5 25. Qxh3+ Rxh3 26. Kg2 Rdh8 27. Rh1 Kd7 28. Nd4 R3h5 29. Rc4 Ra8 30. Ne2 a6) 24... Rh5?? { (0.00 → 4.43) Blunder. Best move was Bxg3. } (24... Bxg3 25. Qg2 Bxh2+ 26. Kf1 Be5 27. Qxh3+ Rxh3 28. Re1 Rh2 29. Rc2 Rdh8 30. Nf5 Bxb2 31. Rxb2) 25. Nc6?? { (4.43 → -3.99) Blunder. Best move was Qg2. } (25. Qg2) 25... Rdh8 26. Nxa7+?? { (-3.88 → -7.49) Blunder. Best move was Ne5. } (26. Ne5 Qxg3+ 27. Qg2 Qxg2+ 28. Kxg2 Rxh2+ 29. Kg3 fxe5 30. Rg1 R8h3+ 31. Kg4 Rh5 32. Rg2 Rxg2+) 26... Kb7 27. Nc6?? { (-6.32 → Mate in 5) Checkmate is now unavoidable. Best move was Rf1. } (27. Rf1 Qxh2+) 27... Bxg3?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was Qxg3+. } (27... Qxg3+ 28. Qg2 Qxg2+ 29. Kxg2 Rxh2+ 30. Kf1 Rh1+ 31. Kf2 R8h2#) 28. Nd4 Bxh2+ 29. Kf2 Qg3+ 30. Kf1 Qg1# { Black wins by checkmate. } 0-1