[Event "DMV SPEED SIMUL simul"] [Site "https://lichess.org/tBx05Ygw"] [Date "2024.02.17"] [White "jposthuma"] [Black "matveychess2015"] [Result "1-0"] [UTCDate "2024.02.17"] [UTCTime "21:16:50"] [WhiteElo "2813"] [BlackElo "1563"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+3"] [ECO "A05"] [Opening "King's Indian Attack: Symmetrical Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. g3 g6 { A05 King's Indian Attack: Symmetrical Defense } 3. Bg2 Bg7 4. O-O O-O 5. b3 b6 6. Bb2 Bb7 7. c4 c5 8. Nc3 Nc6 9. d4 cxd4 10. Nxd4 Nxd4 11. Bxb7 Rb8 12. Bg2 Nh5 13. e3 Ne6 14. Qe2 f5 15. Rad1 f4?? { (1.67 → 4.11) Blunder. Bxc3 was best. } (15... Bxc3 16. Bxc3) 16. exf4 Nhxf4 17. gxf4 Nxf4 18. Qg4 Nxg2?! { (3.38 → 4.69) Inaccuracy. h5 was best. } (18... h5 19. Qf3 Kh7 20. Rfe1 e6 21. Re4 Nxg2 22. Qxg2 Rf5 23. Kh1 Qf8) 19. Rxd7 Qc8 20. Kxg2?! { (5.46 → 3.82) Inaccuracy. Nd5 was best. } (20. Nd5 Rf7 21. Qe6 Qxd7 22. Qxd7 Bxb2 23. Nxe7+ Kg7 24. Kxg2 Bf6 25. Qd6 Re8 26. Nd5 Re4) 20... Bxc3?! { (3.82 → 5.83) Inaccuracy. Rf5 was best. } (20... Rf5 21. Rfd1 Qc6+ 22. f3 Rbf8 23. Rd8 h5 24. Qe4 Qxe4 25. Rxf8+ Rxf8 26. fxe4 b5 27. Rf1) 21. Qe6+ Rf7 22. Bxc3 Rb7?! { (5.89 → 8.07) Inaccuracy. Qc5 was best. } (22... Qc5 23. Be5 Rf8 24. Rc7 Qa3 25. Rc8 Qa6 26. Rxf8+ Kxf8 27. Rd1 Qb7+ 28. Kg1 Ke8 29. c5) 23. Rfd1?! { (8.07 → 5.66) Inaccuracy. Qe5 was best. } (23. Qe5 Rf6 24. Qd5+ Rf7 25. Qxb7 Qxb7+ 26. Rxb7 e6 27. Rxf7 Kxf7 28. Rd1 Ke7 29. Be5 g5) 23... Qa8?? { (5.66 → Mate in 2) Checkmate is now unavoidable. Rxd7 was best. } (23... Rxd7 24. Rxd7 Kf8 25. Bb4 Kg8 26. Bxe7 h5 27. Qxg6+ Rg7 28. Rd8+ Qxd8 29. Qxg7+ Kxg7 30. Bxd8) 24. Qc6?? { (Mate in 2 → 5.47) Lost forced checkmate sequence. Rd8+ was best. } (24. Rd8+ Qxd8 25. Rxd8#) 24... Qf8?? { (5.47 → Mate in 10) Checkmate is now unavoidable. Rb8 was best. } (24... Rb8 25. Qxa8 Rxa8 26. Rd8+ Rf8 27. Rxf8+ Kxf8 28. Re1 Kf7 29. Kf1 Rd8 30. Re3 b5 31. cxb5) 25. Qxb7 Rxf2+?! { (26.27 → Mate in 9) Checkmate is now unavoidable. h6 was best. } (25... h6 26. Qe4) 26. Kg1 Qf4 27. Qd5+ Kf8 28. Rd8# { White wins by checkmate. } 1-0