lichess dev

[Event "Alehin Arena"] [Site "http://chess-academy.net/waLWS94U"] [Date "2020.07.15"] [Round "-"] [White "Tabacarum"] [Black "sirbumaria"] [Result "0-1"] [UTCDate "2020.07.15"] [UTCTime "16:52:25"] [WhiteElo "1369"] [BlackElo "1589"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 { C00 French Defense #2 } 2. a4?! { (0.30 → -0.48) Inaccuracy. Best move was d4. } (2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7) 2... Nh6? { (-0.48 → 1.13) Mistake. Best move was d5. } (2... d5) 3. Nh3? { (1.13 → -0.33) Mistake. Best move was d4. } (3. d4 d5 4. Nc3 Bb4 5. Bxh6 gxh6 6. Qf3 Nc6 7. Bb5 dxe4 8. Qxe4 Bxc3+ 9. bxc3 Qd5) 3... Na6? { (-0.33 → 1.10) Mistake. Best move was d5. } (3... d5 4. d3) 4. g4? { (1.10 → -0.69) Mistake. Best move was d4. } (4. d4 d5 5. Bxh6 gxh6 6. e5 c5 7. Bb5+ Bd7 8. O-O Qh4 9. Nc3 O-O-O 10. Ne2 Rg8) 4... Qf6? { (-0.69 → 1.98) Mistake. Best move was d5. } (4... d5) 5. g5 Qe5?! { (1.41 → 2.10) Inaccuracy. Best move was Qd4. } (5... Qd4 6. Bg2 Ng8 7. c3 Qb6 8. d4 Ne7 9. O-O c6 10. Nd2 d5 11. Re1 Qc7 12. Nf3) 6. gxh6?? { (2.10 → -3.50) Blunder. Best move was Bg2. } (6. Bg2 Ng8) 6... Qxe4+ 7. Be2? { (-2.34 → -5.27) Mistake. Best move was Qe2. } (7. Qe2 Qxh1) 7... Qxh1+ 8. Bf1 Qe4+ 9. Be2 Qg2?! { (-4.93 → -3.98) Inaccuracy. Best move was Qh1+. } (9... Qh1+ 10. Bf1) 10. Bf3?? { (-3.98 → -8.62) Blunder. Best move was hxg7. } (10. hxg7 Bxg7) 10... Qxh3 11. Bg4? { (-8.35 → -9.88) Mistake. Best move was hxg7. } (11. hxg7 Bxg7 12. d4 Qxh2 13. c3 Qg1+ 14. Ke2 Qxd1+ 15. Kxd1 c5 16. d5 exd5 17. Bxd5 Nc7) 11... Qxh2 12. Ke2 Qg2? { (-10.32 → -8.63) Mistake. Best move was g5. } (12... g5 13. Kf1 Qh1+ 14. Ke2 Qxh6 15. Nc3 Bg7 16. Bf3 Qg6 17. Kf1 h5 18. Be2 h4 19. f3) 13. b3? { (-8.63 → -15.06) Mistake. Best move was Bf3. } (13. Bf3 Qg6) 13... gxh6? { (-15.06 → -8.88) Mistake. Best move was Qxg4+. } (13... Qxg4+ 14. f3 Qg2+ 15. Kd3 g6 16. Ba3 Bxh6 17. Qe2 Qxe2+ 18. Kxe2 d5 19. Nc3 c6 20. Rc1) 14. Bb2? { (-8.88 → -14.66) Mistake. Best move was Bf3. } (14. Bf3 Qg6 15. d4 d5 16. Be3 Nb4 17. Na3 Bd7 18. Bf4 O-O-O 19. c3 Nc6 20. Nc2 a6) 14... Rg8?! { (-14.66 → -9.10) Inaccuracy. Best move was Qxg4+. } (14... Qxg4+ 15. Ke1 Qg1+ 16. Ke2 Qxd1+ 17. Kxd1 Rg8 18. Nc3 Rg1+ 19. Ke2 Rxa1 20. Bxa1 f5 21. Bb2) 15. Nc3?! { (-9.10 → -15.87) Inaccuracy. Best move was Bf3. } (15. Bf3 Qg6) 15... Qxg4+ 16. f3 Qg2+ 17. Kd3 Qg6+ 18. Kc4?! { (-18.23 → Mate in 8) Checkmate is now unavoidable. Best move was Ke3. } (18. Ke3 Qg5+ 19. Ke2 Qe5+ 20. Ne4 Qxb2 21. c3 Bg7 22. Kf1 d5 23. Rb1 Qa3 24. Nf2 h5) 18... d5+ 19. Kd4 Nb4?! { (Mate in 2 → -27.94) Lost forced checkmate sequence. Best move was Bc5+. } (19... Bc5+ 20. Ke5 Qf5#) 20. d3?! { (-27.94 → Mate in 6) Checkmate is now unavoidable. Best move was Ne4. } (20. Ne4 Bg7+ 21. Ke3 Bxb2 22. Qg1 Nxc2+ 23. Kd3 Nxa1 24. Qxg6 hxg6 25. Nc3 c5 26. f4 Bd7) 20... Nxc2+ 21. Qxc2 Qf6+ 22. Ke3 Rg3?! { (Mate in 5 → -16.30) Lost forced checkmate sequence. Best move was Bc5+. } (22... Bc5+ 23. Ke2 Qe5+ 24. Ne4 Qh2+ 25. Nf2 Qxf2+ 26. Kd1 Rg1#) 23. b4?! { (-16.30 → Mate in 3) Checkmate is now unavoidable. Best move was Ne2. } (23. Ne2 Qxf3+ 24. Kd2 Rg2 25. Re1 Bd6 26. Qd1 Bf4+ 27. Kc2 Bg3 28. Rg1 Qxe2+ 29. Qxe2 Rxe2+) 23... Qxf3+ 24. Kd4 c5+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qe3#. } (24... Qe3#) 25. Ke5 Qf5# { Black wins by checkmate. } 0-1