[Event "Opperwezen ZH Endurance"] [Site "https://lichess.org/BdfIav89"] [Date "2018.05.19"] [White "Oldgames"] [Black "Winterstep"] [Result "0-1"] [UTCDate "2018.05.19"] [UTCTime "15:30:43"] [WhiteElo "1504"] [BlackElo "1440"] [WhiteRatingDiff "-24"] [BlackRatingDiff "+22"] [Variant "Crazyhouse"] [TimeControl "180+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Zukertort Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3?! { (1.12 → 0.47) Inaccuracy. Nc3 was best. } { D02 Queen's Pawn Game: Zukertort Variation } (2. Nc3 Nf6 3. Nf3 Bf5 4. Bg5 e6 5. e3 Be7 6. Bd3 Bxd3) 2... g6?? { (0.47 → 2.28) Blunder. Nc6 was best. } (2... Nc6 3. Bf4 Bg4 4. h3 Bh5 5. e3 e6 6. Bd3 Nf6 7. O-O) 3. e3? { (2.28 → 0.95) Mistake. c4 was best. } (3. c4 Nf6 4. cxd5 Qxd5 5. Nc3 Qf5 6. Qb3 Nc6 7. d5 Nxd5 8. e4 Qxf3 9. gxf3 Nxc3) 3... Qd6?? { (0.95 → 4.21) Blunder. Bg7 was best. } (3... Bg7 4. c4 c6 5. cxd5 cxd5 6. P@g5 Nc6 7. Nc3 P@e4 8. Nd2 Be6 9. Nb3 h6 10. Nc5) 4. Nc3? { (4.21 → 2.10) Mistake. c4 was best. } (4. c4 Bg7 5. cxd5 Qxd5 6. Nc3 Qd7 7. Bd2 Nh6 8. Bc4 O-O 9. O-O Nc6 10. Ng5 Na5) 4... Na6?? { (2.10 → 6.51) Blunder. Nf6 was best. } (4... Nf6 5. Bb5+) 5. Bxa6 Qxa6 6. Nxd5 B@d6 7. P@e5 Qa5+ 8. Nc3 Bb4 9. Bd2 Bxc3 10. Bxc3 Qb5 11. b3 N@e4 12. B@a4? { (8.70 → 4.77) Mistake. B@d3 was best. } (12. B@d3 Nxc3 13. Bxb5+ Nxb5 14. O-O Nc3 15. d5 Nxd1 16. Rfxd1 B@b5 17. N@d4 Q@a5 18. e6 Nh6) 12... Nxc3? { (4.77 → 9.02) Mistake. Qxa4 was best. } (12... Qxa4 13. bxa4 Nxc3 14. Qd2 Nxa4 15. Q@c4 Nb6 16. Qxc7 B@d8 17. N@b5 P@b2 18. Rb1 Bh6 19. Qc5) 13. Bxb5+ c6?! { (7.45 → 22.37) Inaccuracy. Nxb5 was best. } (13... Nxb5) 14. Qd3 Nxb5 15. d5 B@c3+ 16. Kf1 Bxa1 17. d6?? { (17.47 → -8.71) Blunder. dxc6 was best. } (17. dxc6 R@c1+ 18. Ke2 Rxc2+ 19. Qxc2 B@g4 20. P@d7+ Bcxd7 21. cxd7+ Bxd7 22. Q@d5 P@e4 23. Qxd7+ Kxd7) 17... R@c1+?? { (-8.71 → 1.86) Blunder. R@b1+ was best. } (17... R@b1+) 18. N@e1?? { (1.86 → -6.63) Blunder. Ke2 was best. } (18. Ke2) 18... Bf5?? { (-6.63 → -3.22) Blunder. exd6 was best. } (18... exd6) 19. d7+? { (-3.22 → -5.76) Mistake. e4 was best. } (19. e4 Rxe1+) 19... Bxd7 20. Nd4?? { (-4.66 → -18.75) Blunder. Q@d2 was best. } (20. Q@d2) 20... Nc3 21. Qd2 B@a6+ 22. Kg1 P@b2 23. Qxc3 b1=Q 24. Nf3?! { (-15.25 → Mate in 6) Checkmate is now unavoidable. N@c7+ was best. } (24. N@c7+ Kd8 25. Q@a5 Rxe1+ 26. Qxe1 N@h3+ 27. gxh3 Qxe1+ 28. Qxe1 Bxd4 29. Nxa6 N@f3+ 30. Kf1 bxa6) 24... Bxc3 25. h3 Bxe1 26. Nxe1 N@f3+ 27. gxf3 Q@g5+?! { (Mate in 3 → -36.97) Lost forced checkmate sequence. Q@f1+ was best. } (27... Q@f1+ 28. Kh2 Qxf2+ 29. N@g2 P@g3#) 28. B@g4?! { (-36.97 → Mate in 5) Checkmate is now unavoidable. Kh2 was best. } (28. Kh2) 28... Rxe1+ 29. Kg2 N@h4+ 30. Kg3 Rf1?! { (Mate in 3 → -35.90) Lost forced checkmate sequence. Rg1+ was best. } (30... Rg1+ 31. Rxg1 Qxg1+ 32. N@g2 Qxg2#) 31. f4?! { (-35.90 → Mate in 3) Checkmate is now unavoidable. N@c7+ was best. } (31. N@c7+ Kd8) 31... Rxh1 32. fxg5 Qg1+ 33. Kxh4 R@h5+ 34. Bxh5 Qxf2+ 35. R@g3 Rxh3# { Black wins by checkmate. } 0-1