lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/bXSWLFap"] [Date "2021.01.14"] [Round "-"] [White "R4R3S"] [Black "Olga"] [Result "0-1"] [UTCDate "2021.01.14"] [UTCTime "17:16:21"] [WhiteElo "1109"] [BlackElo "1010"] [WhiteRatingDiff "-22"] [BlackRatingDiff "+43"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Kadas Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. h4?! { (0.15 → -0.74) Inaccuracy. Best move was e4. } { A00 Kadas Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... Nf6?! { (-0.74 → -0.09) Inaccuracy. Best move was e5. } (1... e5 2. e3 Nf6 3. d4 exd4 4. exd4 d5 5. Nc3 Be7 6. Bd3) 2. g4? { (-0.09 → -1.85) Mistake. Best move was d4. } (2. d4 d5 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qb6 6. Qb3 Qxd4 7. e3 Qb6 8. Nc3 Qxb3) 2... e5? { (-1.85 → 0.31) Mistake. Best move was Nxg4. } (2... Nxg4 3. d4) 3. f4?? { (0.31 → -3.23) Blunder. Best move was g5. } (3. g5) 3... Be7? { (-3.23 → -0.96) Mistake. Best move was Nxg4. } (3... Nxg4) 4. f5?? { (-0.96 → -5.78) Blunder. Best move was g5. } (4. g5) 4... e4?? { (-5.78 → -1.51) Blunder. Best move was Nxg4. } (4... Nxg4 5. Nf3) 5. d4? { (-1.51 → -4.44) Mistake. Best move was e3. } (5. e3 d5) 5... Bd6?? { (-4.44 → -0.69) Blunder. Best move was Nxg4. } (5... Nxg4 6. Bg5 Bxg5 7. hxg5 Qxg5 8. Qd2 e3 9. Qc3 O-O 10. Nf3 Qf4 11. Rg1 Nc6 12. f6) 6. c3?? { (-0.69 → -5.19) Blunder. Best move was Bg5. } (6. Bg5 c5) 6... Bg3+ 7. Kd2 Nc6? { (-5.21 → -2.42) Mistake. Best move was Nxg4. } (7... Nxg4 8. Rh3) 8. d5? { (-2.42 → -4.83) Mistake. Best move was e3. } (8. e3 h5 9. Ne2 Bf2 10. gxh5 Ne7 11. Bh3 d5 12. Qf1 Bxh4 13. c4 dxc4 14. Kc2 b5) 8... Ne5?! { (-4.83 → -4.16) Inaccuracy. Best move was Nxg4. } (8... Nxg4 9. Qa4 Nf2 10. Kc2 Ne7 11. Rh3 b5 12. Qxb5 c6 13. Qa4 Nxh3 14. Bxh3 cxd5 15. Be3) 9. d6? { (-4.16 → -6.78) Mistake. Best move was Rh3. } (9. Rh3 Bf2 10. g5 Nxd5 11. Bg2 Nf4 12. Bxe4 Nxh3 13. Nxh3 Bxh4 14. Kc2 d5 15. Qd4 Qd6) 9... cxd6?? { (-6.78 → -3.73) Blunder. Best move was Nfxg4. } (9... Nfxg4) 10. e3? { (-3.73 → -6.13) Mistake. Best move was Bh3. } (10. Bh3 Nexg4) 10... Nfxg4 11. Bb5? { (-6.34 → -8.11) Mistake. Best move was Rh3. } (11. Rh3 Nf2 12. Qb3 Nxh3 13. Nxh3 Qf6 14. Qd1 Qxf5 15. Kc2 O-O 16. Na3 b6 17. Kb1 Bb7) 11... a6?! { (-8.11 → -7.16) Inaccuracy. Best move was Nf2. } (11... Nf2 12. Qf1) 12. Nf3? { (-7.16 → -13.45) Mistake. Best move was Rh3. } (12. Rh3 Nf2) 12... Nxf3+ 13. Kc2 Ne1+? { (-12.68 → -7.41) Mistake. Best move was axb5. } (13... axb5) 14. Kb3? { (-7.41 → -9.61) Mistake. Best move was Rxe1. } (14. Rxe1) 14... Ng2?? { (-9.61 → -2.11) Blunder. Best move was Qb6. } (14... Qb6 15. Rxe1) 15. c4?? { (-2.11 → -10.35) Blunder. Best move was Qxg4. } (15. Qxg4 Be5 16. Be2 Qb6+ 17. Kc2 Nxe3+ 18. Bxe3 Qxe3 19. Rh3 h5 20. Rxe3 hxg4 21. Rxe4 Rxh4) 15... Qa5?? { (-10.35 → -5.61) Blunder. Best move was Nf2. } (15... Nf2 16. Qe2 Nxh1 17. Qxg2 Qxh4 18. Ba4 d5 19. c5 Nf2 20. Bd2 Nd3 21. Kc2 Be5 22. Nc3) 16. Bxd7+?? { (-5.61 → -14.12) Blunder. Best move was Qxg4. } (16. Qxg4 axb5 17. Kc2 Be5 18. Qxg2 Qa4+ 19. Kd2 Qxc4 20. Kd1 d5 21. Nd2 Qc6 22. Ke1 O-O) 16... Kxd7? { (-14.12 → -7.83) Mistake. Best move was Bxd7. } (16... Bxd7 17. a4 Qb6+ 18. Ka2 N2xe3 19. Bxe3 Nxe3 20. Qb3 Qxb3+ 21. Kxb3 Nxf5 22. Nc3 e3 23. Nd5) 17. c5? { (-7.83 → -26.50) Mistake. Best move was Qxg4. } (17. Qxg4) 17... N2xe3 18. f6?! { (-14.97 → Mate in 3) Checkmate is now unavoidable. Best move was Qe2. } (18. Qe2 Qxc5) 18... Nxd1?! { (Mate in 3 → -27.76) Lost forced checkmate sequence. Best move was Qb5+. } (18... Qb5+ 19. Kc3 Qc4+ 20. Kd2 Qd3#) 19. c6+?! { (-27.76 → Mate in 9) Checkmate is now unavoidable. Best move was a4. } (19. a4 Nde3) 19... Kxc6 20. h5 Qb5+ 21. Kc2 Nde3+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qd3#. } (21... Qd3#) 22. Kd2 Qf1?! { (Mate in 1 → -21.57) Lost forced checkmate sequence. Best move was Qd3#. } (22... Qd3#) 23. Rxf1 Nh2 24. Kxe3 Nxf1+ 25. Ke2 Bg4+ { White resigns. } 0-1