[Event "≤1700 Rapid Arena"] [Site "https://lichess.org/a2tNfV4W"] [Date "2020.01.26"] [White "puzzleschess"] [Black "Usman95"] [Result "0-1"] [UTCDate "2020.01.26"] [UTCTime "12:10:54"] [WhiteElo "1635"] [BlackElo "1578"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit Accepted: Teichmann Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. e4?! { (0.25 → -0.80) Inaccuracy. c4 was best. } (2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6) 2... dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 { D00 Blackmar-Diemer Gambit Accepted: Teichmann Defense } 6. h3 Bxf3 7. Qxf3 Nc6?! { (0.00 → 0.77) Inaccuracy. c6 was best. } (7... c6 8. g4 e6 9. g5 Nd5 10. Bd3 Be7 11. h4 Qb6 12. Bd2) 8. Bb5 Qd7? { (1.43 → 3.34) Mistake. Rb8 was best. } (8... Rb8) 9. d5 Nxd5 10. Qxd5 O-O-O?! { (3.23 → 4.74) Inaccuracy. Qxd5 was best. } (10... Qxd5 11. Nxd5 O-O-O 12. Bxc6 bxc6 13. Nc3 e6 14. Be3 f5 15. O-O Kb7 16. Rae1 Bb4 17. a3) 11. Qxd7+?! { (4.74 → 3.64) Inaccuracy. Qxf7 was best. } (11. Qxf7 a6 12. Ba4 e6 13. Qxd7+ Rxd7 14. Be3 Bb4 15. O-O Ba5 16. Bxc6 bxc6 17. Ne4 Rd5) 11... Rxd7 12. Bxc6 bxc6 13. O-O e5 14. Bg5 f6 15. Be3 Bb4 16. Rad1 Bxc3 17. Rxd7 Kxd7 18. bxc3 Rb8 19. Rd1+?! { (2.91 → 1.84) Inaccuracy. Bxa7 was best. } (19. Bxa7 Ra8 20. Bc5 Ke6 21. Ra1 Kd5 22. Be7 Kc4 23. a4 Re8 24. Ba3 Ra8 25. Bc1 Kxc3) 19... Ke6 20. Kf2?! { (1.94 → 1.15) Inaccuracy. a3 was best. } (20. a3 a5) 20... Rb2 21. Kg3? { (1.31 → 0.00) Mistake. Ke2 was best. } (21. Ke2 Rxc2+ 22. Rd2 Rxc3 23. Bxa7 c5 24. Bb8 c6 25. Bc7 Ra3 26. Bb6 c4 27. Bc5 Rg3) 21... Rxa2 22. Rc1 a5 23. Bc5 a4?! { (-0.09 → 0.90) Inaccuracy. Ra4 was best. } (23... Ra4 24. Kf2 f5 25. Ke2 Rc4 26. Ba3 Rxc3 27. Bb2 Rc4 28. Kd3 Ra4 29. Bc3 e4+ 30. Kd2) 24. Kf3 a3? { (0.36 → 1.50) Mistake. Kd5 was best. } (24... Kd5 25. Bf8) 25. Ke3 Kd5 26. Kd3?? { (0.67 → -8.07) Blunder. Bf8 was best. } (26. Bf8 g6 27. Kd2 e4 28. Re1 f5 29. c4+ Kxc4 30. Bg7 Rb2 31. Ra1 e3+ 32. Kd1 e2+) 26... Kxc5 27. c4 Rb2 28. Kc3 Rb4 29. Ra1 Rxc4+ 30. Kb3 Kd4 31. Rxa3?? { (-5.29 → Mate in 23) Checkmate is now unavoidable. Rd1+ was best. } (31. Rd1+ Kc5) 31... Rc3+ 32. Kb4 Rxa3 33. Kxa3 e4 34. Kb3?! { (-16.19 → Mate in 18) Checkmate is now unavoidable. Kb2 was best. } (34. Kb2 Ke3) 34... e3 35. Kb2 e2 36. c3+ Kd3 37. Kc1 e1=Q+ 38. Kb2 Qxc3+ 39. Ka2 Kc2 40. g4 Qb2# { Black wins by checkmate. } 0-1