lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/QCGPVoEW"] [Date "2025.02.22"] [Round "-"] [White "cezar8"] [Black "Katherina"] [Result "0-1"] [UTCDate "2025.02.22"] [UTCTime "10:14:16"] [WhiteElo "1224"] [BlackElo "1500"] [WhiteRatingDiff "-34"] [BlackRatingDiff "+38"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } { B00 Nimzowitsch Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Qg4? { (0.72 → -1.60) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nf6?! { (-1.60 → -0.76) Inaccuracy. Best move was d5. } (2... d5 3. Qh4) 3. Qe2?! { (-0.76 → -1.45) Inaccuracy. Best move was Qh4. } (3. Qh4 e5) 3... d5? { (-1.45 → 0.53) Mistake. Best move was e5. } (3... e5 4. c3 d5 5. d3 Bc5 6. h3 Be6 7. Nf3 O-O 8. Qc2 h6 9. Be2 a5 10. O-O) 4. Qc4?? { (0.53 → -13.75) Blunder. Best move was e5. } (4. e5) 4... e6?? { (-13.75 → -1.52) Blunder. Best move was dxc4. } (4... dxc4 5. f3 Nb4 6. Kd1 Be6 7. h4 Nc6 8. Nc3 Qd4 9. Nge2 Qc5 10. Nf4 Bd7 11. b3) 5. Qa4? { (-1.52 → -2.83) Mistake. Best move was exd5. } (5. exd5) 5... Bd7 6. d4? { (-2.84 → -3.86) Mistake. Best move was exd5. } (6. exd5 exd5) 6... Nxe4? { (-3.86 → -2.41) Mistake. Best move was e5. } (6... e5 7. c3) 7. Bg5?? { (-2.41 → -11.15) Blunder. Best move was Nf3. } (7. Nf3) 7... Nxg5? { (-11.15 → -7.20) Mistake. Best move was Qxg5. } (7... Qxg5 8. Ne2 Qf6 9. f3 Bb4+ 10. c3 Nxd4 11. Qd1 Qh4+ 12. Ng3 Nxg3 13. hxg3 Qxg3+ 14. Kd2) 8. Bc4? { (-7.20 → -13.18) Mistake. Best move was Bb5. } (8. Bb5 Bd6 9. Nd2 Ne4 10. Nxe4 dxe4 11. Ne2 O-O 12. O-O Qg5 13. c4 a6 14. Bxc6 Bxc6) 8... b5?? { (-13.18 → -5.96) Blunder. Best move was Nxd4. } (8... Nxd4 9. Bb5 Nxb5 10. Qh4 Bc5 11. Nd2 Qf6 12. c3 d4 13. c4 Nd6 14. Nh3 Nxh3 15. Qxh3) 9. Qa3?? { (-5.96 → -21.19) Blunder. Best move was Bxb5. } (9. Bxb5) 9... bxc4 10. c3 Bxa3 11. bxa3 Qf6 12. a4 O-O-O 13. Nh3 Nxh3 14. Nd2?! { (-27.98 → Mate in 9) Checkmate is now unavoidable. Best move was gxh3. } (14. gxh3 Nxd4 15. cxd4 Qxd4 16. O-O Qxa1 17. Nd2 Qc3 18. Nb1 Qb2 19. a5 c3 20. Nxc3 Qxc3) 14... Qxf2+ 15. Kd1 Qxg2?! { (Mate in 8 → -35.33) Lost forced checkmate sequence. Best move was Nb4. } (15... Nb4 16. Rc1 Bxa4+ 17. Rc2 Nxc2 18. Kc1 Nb4 19. Rd1 Nd3+ 20. Kb1 Bxd1 21. gxh3 Qxd2 22. a3) 16. Ke1?! { (-35.33 → Mate in 5) Checkmate is now unavoidable. Best move was Rf1. } (16. Rf1 Nf2+) 16... Qxh1+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Nxd4. } (16... Nxd4 17. cxd4 Nf4 18. Kd1 c3 19. Nb3 c2+ 20. Kc1 Nd3#) 17. Ke2 Qxa1 18. a3 Qxc3 19. Nf3 Qc2+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was e5. } (19... e5 20. dxe5 Bg4 21. a5 Bxf3+ 22. Kf1 Qa1#) 20. Ke3 h5?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd3#. } (20... Qd3#) 21. Ng5 Qf2# { Black wins by checkmate. } 0-1