lichess dev

[Event "Karpov Arena"] [Site "http://chess-academy.net/N4ih91el"] [Date "2020.07.17"] [Round "-"] [White "Tabacarum"] [Black "Bogdanghita"] [Result "0-1"] [UTCDate "2020.07.17"] [UTCTime "16:07:52"] [WhiteElo "1431"] [BlackElo "2170"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 { C20 King's Pawn Game } 2. a4?! { (0.30 → -0.55) Inaccuracy. Best move was Nf3. } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nf6 3. Nf3?! { (0.12 → -0.75) Inaccuracy. Best move was Nc3. } (3. Nc3) 3... Nc6? { (-0.75 → 0.34) Mistake. Best move was Nxe4. } (3... Nxe4 4. d3 Nf6 5. Nxe5 d5 6. d4 Bd6 7. Be2 O-O 8. Nc3 Nc6 9. Nxc6 bxc6 10. O-O) 4. a5? { (0.34 → -1.37) Mistake. Best move was Nc3. } (4. Nc3 Bb4 5. Bd3 Bc5 6. Bc4 O-O 7. O-O d6 8. d3 Bg4 9. Bg5 Bxf3 10. Qxf3 Nd4) 4... Bc5?! { (-1.37 → -0.52) Inaccuracy. Best move was Nxe4. } (4... Nxe4 5. Bb5 Bd6 6. d3 Nf6 7. O-O O-O 8. Nc3 Nxa5 9. Rxa5 c6 10. Ra1 cxb5 11. Bg5) 5. Ra4?! { (-0.52 → -1.09) Inaccuracy. Best move was Nc3. } (5. Nc3 Ng4) 5... Ng4?! { (-1.09 → -0.56) Inaccuracy. Best move was O-O. } (5... O-O 6. Be2 d5 7. exd5 Nb4 8. d3 Bd7 9. Ra1 Qe7 10. O-O Rfe8 11. Nc3 Nbxd5 12. Nxd5) 6. Rc4?? { (-0.56 → -5.00) Blunder. Best move was d4. } (6. d4 exd4 7. Bb5 O-O 8. O-O d5 9. exd5 Nb4 10. c3 dxc3 11. Nxc3 a6 12. Bc4 Bd7) 6... Bxf2+ 7. Ke2 d5?! { (-4.79 → -4.13) Inaccuracy. Best move was Nd4+. } (7... Nd4+) 8. Rc3?? { (-4.13 → -11.50) Blunder. Best move was Rxc6. } (8. Rxc6 Bd4 9. Qe1 bxc6 10. Nxd4 exd4 11. h3 Nf6 12. d3 O-O 13. Kd1 Re8 14. Nd2 c5) 8... dxe4 9. h3 exf3+ 10. gxf3?! { (-23.39 → Mate in 6) Checkmate is now unavoidable. Best move was Rxf3. } (10. Rxf3 Nd4+ 11. Kd3 Nxf3+ 12. Ke2 Ng1+ 13. Rxg1 Qd4 14. Nc3 Bg3 15. Rh1 Qf2+ 16. Kd3 Be6) 10... Bd4?? { (Mate in 6 → -4.79) Lost forced checkmate sequence. Best move was Nd4+. } (10... Nd4+ 11. Kd3 e4+ 12. Kc4 Qd6 13. Re3 Be6+ 14. Kc3 Qc5+ 15. Bc4 Qxc4#) 11. Rd3?? { (-4.79 → -12.69) Blunder. Best move was hxg4. } (11. hxg4 e4 12. Qe1 Ne5 13. Kd1 exf3 14. Rxf3 Bxg4 15. Be2 Qd5 16. Rhf1 O-O-O 17. Rf4 h5) 11... Nf6?! { (-12.69 → -9.25) Inaccuracy. Best move was e4. } (11... e4 12. hxg4) 12. c3?! { (-9.25 → -10.00) Inaccuracy. Best move was Qe1. } (12. Qe1 Bf5 13. Rc3 Bxc3 14. bxc3 Bxc2 15. Na3 Bd3+ 16. Kf2 Nh5 17. Bxd3 Qxd3 18. Qe4 Qxe4) 12... Nxa5?? { (-10.00 → -6.55) Blunder. Best move was Bf5. } (12... Bf5) 13. cxd4 exd4?! { (-7.52 → -6.72) Inaccuracy. Best move was Bf5. } (13... Bf5 14. Re3) 14. b4? { (-6.72 → -8.29) Mistake. Best move was Kf2. } (14. Kf2 O-O 15. Ra3 Nc6 16. f4 Nd5 17. Qf3 Ncb4 18. Kg3 Re8 19. Kh2 Bf5 20. d3 Nc2) 14... Nc4? { (-8.29 → -5.62) Mistake. Best move was Nc6. } (14... Nc6 15. Qa4) 15. f4? { (-5.62 → -8.03) Mistake. Best move was Qa4+. } (15. Qa4+) 15... Nh5 16. Kf3? { (-7.94 → -11.73) Mistake. Best move was Rf3. } (16. Rf3 O-O 17. Kf2 Qh4+ 18. Kg2 Nd6 19. d3 Re8 20. Bd2 a5 21. bxa5 Nf5 22. Rg1 Ne3+) 16... Qd5+? { (-11.73 → -7.77) Mistake. Best move was Qh4. } (16... Qh4 17. Re3+ dxe3 18. dxe3 Bg4+ 19. hxg4 Qxh1+ 20. Kf2 Qh4+ 21. Kg1 Qg3+ 22. Bg2 Nxe3 23. Qe2) 17. Kf2 Qxh1 18. Qe1+? { (-7.46 → -12.93) Mistake. Best move was Qxh5. } (18. Qxh5) 18... Be6 19. b5 Nxf4 20. Rg3 Nd3+? { (-18.60 → -8.17) Mistake. Best move was Qh2+. } (20... Qh2+ 21. Kf3 O-O-O 22. Kxf4 Rhe8 23. Bxc4 Bxc4 24. Qg1 Qe2 25. Rg5 Re4+ 26. Kg3 Rd5 27. Rxg7) 21. Bxd3 Qxe1+ 22. Kxe1 O-O 23. Rg5?! { (-7.24 → -8.00) Inaccuracy. Best move was Na3. } (23. Na3 Ne5) 23... Rfd8?! { (-8.00 → -7.36) Inaccuracy. Best move was f5. } (23... f5 24. Kf2 Ne5 25. Be2 h6 26. Rg1 f4 27. Bb2 Rad8 28. Re1 Bxh3 29. Na3 Be6 30. b6) 24. Rh5?! { (-7.36 → -8.01) Inaccuracy. Best move was Rc5. } (24. Rc5 Nd6 25. Na3 g6 26. Nc2 Bf5 27. Bxf5 Nxf5 28. Kd1 Rd7 29. Nb4 Kg7 30. Nd3 h5) 24... g6 25. Rg5 Re8 26. b6? { (-8.08 → -13.50) Mistake. Best move was Kf2. } (26. Kf2 Nd6 27. Re5 Bxh3 28. Rd5 Re6 29. Rxd4 Rf6+ 30. Kg3 Bf1 31. Rxd6 cxd6 32. Be4 d5) 26... Nxb6? { (-13.50 → -8.35) Mistake. Best move was Bf5+. } (26... Bf5+) 27. Bb5? { (-8.35 → -11.69) Mistake. Best move was Kf2. } (27. Kf2 Nd5) 27... Bc4+?! { (-11.69 → -9.26) Inaccuracy. Best move was c6. } (27... c6 28. Bf1 Ba2+ 29. Kf2 Bxb1 30. Ba3 Bf5 31. d3 Nd5 32. h4 b6 33. h5 Re6 34. hxg6) 28. Bxe8 Rxe8+ 29. Kd1? { (-9.04 → Mate in 1) Checkmate is now unavoidable. Best move was Kf2. } (29. Kf2 Re2+ 30. Kf3 Re1 31. Bb2 Rxb1 32. Bxd4 Rb3+ 33. Be3 Be6 34. h4 h5 35. Rc5 Nd5) 29... d3?! { (Mate in 1 → -10.09) Lost forced checkmate sequence. Best move was Bb3#. } (29... Bb3#) 30. Rc5?! { (-10.09 → Mate in 2) Checkmate is now unavoidable. Best move was Ba3. } (30. Ba3 Bb3+ 31. Kc1 Re1+ 32. Kb2 Bc2 33. Nc3 Nc4+ 34. Ka2 f5 35. Nd5 Nxd2 36. Rg2 Bb3+) 30... Bb3+ 31. Rc2 Bxc2# { Black wins by checkmate. } 0-1