[Event "Opperwezen ZH Endurance"] [Site "https://lichess.org/nMB1i03g"] [Date "2018.05.20"] [White "pvkarthi"] [Black "STEPMARK"] [Result "0-1"] [UTCDate "2018.05.20"] [UTCTime "07:52:27"] [WhiteElo "1357"] [BlackElo "1648"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+29"] [Variant "Crazyhouse"] [TimeControl "180+2"] [ECO "D01"] [Opening "Rapport-Jobava System"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nc3 e6? { (0.51 → 1.65) Mistake. d5 was best. } (1... d5 2. d4 Nc6 3. Bf4 Bf5 4. e3 e6 5. Bb5 Bb4 6. Ne2) 2. d4 d5 3. Bf4?! { (1.71 → 0.85) Inaccuracy. e4 was best. } (3. e4 dxe4 4. Nxe4 Nf6 5. Nxf6+ Qxf6 6. Nf3 Nc6 7. N@e5 N@h4) 3... Nf6?! { (0.85 → 1.42) Inaccuracy. Bd6 was best. } { D01 Rapport-Jobava System } (3... Bd6 4. Bxd6 cxd6 5. e3 Nf6 6. Bd3 Nc6 7. Nf3 O-O 8. O-O) 4. Nb5?! { (1.42 → 0.80) Inaccuracy. e3 was best. } (4. e3 Bb4 5. Bd3 Nc6 6. Ne2 O-O 7. O-O Bd7 8. a3 Bd6 9. Bxd6 cxd6 10. B@h4 B@c4) 4... Na6 5. b4?? { (0.72 → -10.52) Blunder. e3 was best. } (5. e3) 5... Bd7 6. Nc3 Nxb4 7. Rb1 a5 8. a3 Nc6 9. Rxb7 Nh5? { (-7.18 → -3.85) Mistake. Bxa3 was best. } (9... Bxa3 10. e3) 10. Bxc7 Qc8 11. Nb5?? { (-3.94 → -16.98) Blunder. Rb1 was best. } (11. Rb1 P@e3 12. fxe3 Qxc7 13. Nh3 Bxa3 14. Nb5 Qb8 15. Nxa3 B@b4+ 16. P@d2 O-O 17. B@f3 Nf6) 11... Qxb7 12. a4 P@a6 13. Nd6+ Bxd6 14. Bxd6 R@b1 15. Qxb1?! { (-25.94 → Mate in 5) Checkmate is now unavoidable. B@c1 was best. } (15. B@c1 N@c3) 15... Qxb1+ 16. Kd2 Q@d1+ 17. Ke3 N@f5+ 18. Kf3 Qdxc2 19. R@e7+ Ncxe7 20. Bxe7 Qe4# { Black wins by checkmate. } 0-1