[Event "5A"] [Site "https://lichess.org/FshvVHWI"] [Date "2021.09.09"] [White "rohit10639"] [Black "JohaN055"] [Result "0-1"] [UTCDate "2021.09.09"] [UTCTime "05:27:46"] [WhiteElo "1291"] [BlackElo "1710"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A40"] [Opening "Polish Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 b5?! { (0.00 → 0.75) Inaccuracy. e6 was best. } { A40 Polish Defense } (1... e6 2. c4 d5 3. Nf3 Nf6 4. cxd5 exd5 5. Bf4 c5 6. Nc3) 2. c3 a6 3. e3 c6 4. Qe2?! { (0.98 → 0.29) Inaccuracy. e4 was best. } (4. e4 Bb7 5. Nf3 d6 6. Bd3 Nd7 7. a4 e5 8. O-O Ngf6 9. Be3 Be7 10. h3 O-O) 4... b4?? { (0.29 → 2.09) Blunder. d6 was best. } (4... d6 5. Nf3) 5. cxb4 a5 6. Qd3?? { (2.05 → -0.12) Blunder. bxa5 was best. } (6. bxa5 Qxa5+ 7. Qd2 Qb6 8. Nf3 Nf6 9. Be2 Ba6 10. O-O e6 11. b3 d5 12. Bb2 Ne4) 6... Na6? { (-0.12 → 1.25) Mistake. axb4 was best. } (6... axb4) 7. Qc4? { (1.25 → -0.19) Mistake. b5 was best. } (7. b5 cxb5) 7... Nxb4 8. Qxb4?? { (0.29 → -8.23) Blunder. a3 was best. } (8. a3 Ba6 9. Qb3 Bxf1 10. Kxf1 Na6 11. Nf3 g6 12. e4 Bg7 13. Nc3 Nc7 14. g3 Nf6) 8... axb4 9. Bd2 Rb8 10. Ke2 c5 11. dxc5 d6 12. a3 dxc5 13. Bxb4 cxb4 14. axb4 Rxb4 15. Ra3 Qb6 16. Nd2 Qb5+ 17. Kd1 Rxb2? { (-11.52 → -5.13) Mistake. Qb8 was best. } (17... Qb8 18. Ngf3) 18. Kc1? { (-5.13 → -16.07) Mistake. Bxb5+ was best. } (18. Bxb5+ Rxb5) 18... Qb4 19. Kd1?! { (-15.38 → Mate in 1) Checkmate is now unavoidable. Bb5+ was best. } (19. Bb5+ Qxb5) 19... Qxa3?! { (Mate in 1 → -24.62) Lost forced checkmate sequence. Qxd2# was best. } (19... Qxd2#) 20. Nc4?! { (-24.62 → Mate in 1) Checkmate is now unavoidable. Bb5+ was best. } (20. Bb5+ Rxb5) 20... Qa1# { Black wins by checkmate. } 0-1