[Event "2019 Summer Marathon"] [Site "https://lichess.org/Sm7oxra0"] [Date "2019.07.06"] [White "kingshees22"] [Black "laub07"] [Result "0-1"] [UTCDate "2019.07.06"] [UTCTime "07:10:11"] [WhiteElo "1403"] [BlackElo "1907"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+23"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. g3 d5 4. Bg2 c5 5. O-O cxd4 6. Nxd4 Be7 7. c3?! { (0.50 → -0.58) Inaccuracy. c4 was best. } (7. c4 Nc6 8. cxd5 exd5 9. Nc3 O-O 10. Be3 Be6 11. Qb3 Na5) 7... O-O 8. b4?! { (-0.45 → -1.29) Inaccuracy. Bf4 was best. } (8. Bf4 Nbd7 9. Nf3 b6 10. Nbd2 Bb7 11. a4 h6 12. Nb3 g5 13. Bd2 e5 14. a5 Ne4) 8... Nc6 9. Ba3 Nxd4 10. cxd4 Bd7 11. Nc3 a5?! { (-1.28 → -0.71) Inaccuracy. Rc8 was best. } (11... Rc8 12. Rc1 Rc4 13. Nb1 Rxc1 14. Qxc1 Ne8 15. e3 Nd6 16. Qc3 Qb6 17. Rc1 Nb5 18. Qb3) 12. Qc1?? { (-0.71 → -5.93) Blunder. Qb3 was best. } (12. Qb3 b5 13. e4 axb4 14. Bxb4 Bxb4 15. Qxb4 dxe4 16. Nxe4 Ra4 17. Qb2 Nxe4 18. Bxe4 Qb6) 12... axb4 13. Bb2 bxc3 14. Bxc3 Rc8 15. Qd2 Ne4 16. Bxe4 dxe4 17. Qe3?! { (-5.66 → -8.85) Inaccuracy. Rfb1 was best. } (17. Rfb1 Bc6 18. e3 Bf6 19. Bb4 Re8 20. Rc1 e5 21. dxe5 Bxe5 22. Qxd8 Rexd8 23. Bc3 Bd6) 17... f5 18. Rab1 Bg5 19. f4?! { (-7.08 → -10.78) Inaccuracy. Ba5 was best. } (19. Ba5 Bxe3 20. Bxd8 Bxd4 21. Rfd1 Rfxd8 22. Rxd4 Bc6 23. Rxd8+ Rxd8 24. e3 Rd2 25. Ra1 b5) 19... exf3 20. Qxf3 Bc6 21. Qd3 Qd5 22. Rf2? { (-8.56 → Mate in 1) Checkmate is now unavoidable. Rf3 was best. } (22. Rf3 Ra8 23. h4 Bf6 24. Be1 Rxa2 25. Qb3 Bxd4+ 26. Bf2 Bxf2+ 27. Kxf2 Qxf3+ 28. Qxf3 Bxf3) 22... Qh1# { Black wins by checkmate. } 0-1