[Event "Casual rapid game"] [Site "https://lichess.org/oB4hfYIp"] [Date "2017.01.19"] [White "impromptu"] [Black "keongracun77"] [Result "1-0"] [UTCDate "2017.01.19"] [UTCTime "04:56:52"] [WhiteElo "1560"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "900+0"] [ECO "A53"] [Opening "Old Indian Defense: Czech Variation, with Nf3"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 d6 3. Nf3 c6 { A53 Old Indian Defense: Czech Variation, with Nf3 } 4. Nc3 Nbd7 5. e4 Qa5 6. Bd3 Nb6 7. O-O Bg4 8. h3 Bh5 9. g4 Bxg4? { (1.95 → 3.40) Mistake. Bg6 was best. } (9... Bg6 10. Nd2) 10. hxg4 Nxg4 11. Ng5 h6 12. Qxg4?! { (4.13 → 2.97) Inaccuracy. Rb1 was best. } (12. Rb1) 12... hxg5 13. Bxg5 Nd7 14. d5 Rb8 15. a3 Qc5 16. Be3 Qa5 17. b4 Qc7 18. f4 Nf6 19. Qg2 b5?! { (3.91 → 6.11) Inaccuracy. a6 was best. } (19... a6 20. f5) 20. cxb5 cxd5 21. Rac1 Qd7 22. Nxd5?! { (8.57 → 5.70) Inaccuracy. b6 was best. } (22. b6 a6 23. Nxd5 Qh3 24. Rf3 Qxg2+ 25. Kxg2 e5 26. Nxf6+ gxf6 27. Bxa6 Rg8+ 28. Kf2 Bh6) 22... Ng8? { (5.70 → 17.63) Mistake. Nxd5 was best. } (22... Nxd5 23. exd5) 23. Rc7 Qh3 24. b6 axb6?! { (17.13 → Mate in 5) Checkmate is now unavoidable. Qxg2+ was best. } (24... Qxg2+ 25. Kxg2) 25. Bb5+ Kd8 26. Rd7+?! { (Mate in 4 → 16.72) Lost forced checkmate sequence. Qxh3 was best. } (26. Qxh3 f5 27. Rd7+ Ke8 28. Rxe7+ Kd8 29. Re8#) 26... Kc8?! { (16.72 → Mate in 1) Checkmate is now unavoidable. Qxd7 was best. } (26... Qxd7 27. Bxd7) 27. Rc1# { White wins by checkmate. } 1-0