[Event "B156 GRANDMASTERS Arena"] [Site "https://lichess.org/qa3dmHFV"] [Date "2023.10.30"] [White "Srinikapadma"] [Black "SIYAMUNGEKAR"] [Result "0-1"] [UTCDate "2023.10.30"] [UTCTime "14:46:32"] [WhiteElo "986"] [BlackElo "812"] [WhiteRatingDiff "-64"] [BlackRatingDiff "+31"] [Variant "Standard"] [TimeControl "300+3"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 Nc6?! { (0.00 → 0.89) Inaccuracy. Nf6 was best. } { A40 Mikenas Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. e3 Nf6 3. Nf3 e6 4. Bc4?! { (0.76 → 0.11) Inaccuracy. Nbd2 was best. } (4. Nbd2 d5 5. a3 g6 6. b4 Bg7 7. Be2 O-O 8. Bb2 b6) 4... Bb4+?! { (0.11 → 0.80) Inaccuracy. d5 was best. } (4... d5 5. Be2 Bd6 6. c4 O-O 7. c5 Be7 8. a3 a5 9. Nc3) 5. c3 Ba5 6. O-O O-O 7. Nbd2 g6? { (0.77 → 2.14) Mistake. d6 was best. } (7... d6 8. b4 Bb6 9. a4 a6 10. Qc2 e5 11. Bd3 Re8 12. Bb2 Bg4 13. dxe5 dxe5 14. Rfd1) 8. Nb3? { (2.14 → 0.85) Mistake. e4 was best. } (8. e4 d5 9. e5 dxc4 10. exf6 e5 11. Nxe5 Nxe5 12. dxe5 Qd5 13. Nf3 Rd8 14. Qe1 Qd3) 8... Kg7? { (0.85 → 2.19) Mistake. Bb6 was best. } (8... Bb6) 9. g3? { (2.19 → 0.63) Mistake. Bb5 was best. } (9. Bb5 Bb6 10. Bxc6 bxc6 11. c4 Ba6 12. c5 Bxf1 13. Qxf1 d6 14. cxb6 axb6 15. Nbd2 c5) 9... h5? { (0.63 → 2.28) Mistake. Bb6 was best. } (9... Bb6 10. Bb5) 10. g4?? { (2.28 → -1.39) Blunder. e4 was best. } (10. e4 Bb6 11. e5 Nh7 12. Bd3 Rh8 13. a4 a5 14. Qd2 Ne7 15. c4 d6 16. Rd1 dxe5) 10... hxg4 11. h3?? { (-1.21 → -4.98) Blunder. Ne5 was best. } (11. Ne5) 11... gxh3?? { (-4.98 → -1.56) Blunder. gxf3 was best. } (11... gxf3 12. Bb5 Ne4 13. Qxf3 Qg5+ 14. Qg2 Qxb5 15. Qxe4 Qh5 16. Qg4 Rh8 17. Nxa5 Nxa5 18. e4) 12. Kh2?! { (-1.56 → -2.34) Inaccuracy. e4 was best. } (12. e4 Nxe4) 12... Rh8?! { (-2.34 → -1.27) Inaccuracy. Bb6 was best. } (12... Bb6 13. a4 a5 14. Bd3 Ng4+ 15. Kxh3 e5 16. e4 d5 17. Kg2 exd4 18. cxd4 dxe4 19. Bxe4) 13. e4 Ng4+ 14. Kh1 h2? { (-1.05 → 0.46) Mistake. d5 was best. } (14... d5 15. Ng5 Nf6 16. Bb5 dxe4 17. Bxc6 bxc6 18. Nxa5 Qd5 19. b4 e3+ 20. Nf3 Ne4 21. Qe2) 15. Nxh2?? { (0.46 → -9.84) Blunder. Ng5 was best. } (15. Ng5 Nf6) 15... Qh4 16. Bf4 Qxh2+?? { (-9.98 → 1.68) Blunder. Nxh2 was best. } (16... Nxh2 17. Bg3 Qh3 18. Kg1 Nxf1 19. Qf3 Nxg3 20. fxg3 Qh2+ 21. Kf1 d5 22. exd5 exd5 23. Be2) 17. Bxh2 Nxf2+?? { (1.42 → 8.30) Blunder. Nxh2 was best. } (17... Nxh2) 18. Rxf2 d5 19. exd5 exd5 20. Bxd5 Nb4? { (8.11 → Mate in 6) Checkmate is now unavoidable. Bf5 was best. } (20... Bf5 21. Bxc6 bxc6 22. Nxa5 Be4+ 23. Kg1 Rh5 24. Qb3 Rf8 25. Qa3 c5 26. dxc5 Rxh2 27. Rxh2) 21. cxb4?! { (Mate in 6 → 10.11) Lost forced checkmate sequence. Rxf7+ was best. } (21. Rxf7+ Kg8 22. Qe2 Bf5 23. Qe5 Be4+ 24. Kg1 Rh7 25. Rg7+ Kh8 26. Rg8#) 21... Bxb4?! { (10.11 → Mate in 8) Checkmate is now unavoidable. Bf5 was best. } (21... Bf5 22. Nxa5 Rae8 23. Bb3 Rh3 24. Nxb7 Reh8 25. Qe2 Rxh2+ 26. Rxh2 Rxh2+ 27. Kxh2 c6 28. Qe5+) 22. Rxf7+ Kh6 23. Rxc7?! { (Mate in 6 → 13.00) Lost forced checkmate sequence. Qg1 was best. } (23. Qg1 Bd6 24. Bxd6 cxd6 25. Be4 Bf5 26. Bxf5 gxf5 27. Rg7 f4 28. Qg5#) 23... Bh3?! { (13.00 → Mate in 7) Checkmate is now unavoidable. Bf5 was best. } (23... Bf5 24. Be5 Rac8 25. Qg1 Rxc7 26. Qh2+ Kg5 27. Rg1+ Bg4 28. Bf4+ Kf6 29. Qxh8+ Ke7) 24. Bxb7?! { (Mate in 7 → 13.38) Lost forced checkmate sequence. Qf3 was best. } (24. Qf3 Bf5 25. Qf4+ g5 26. Qxf5 Rae8 27. Rg1 Be7 28. Rxe7 Rxe7 29. Qxg5+ Kh7 30. Qh5#) 24... Raf8 25. Qe2 Rf1+?! { (14.95 → Mate in 6) Checkmate is now unavoidable. Bd2 was best. } (25... Bd2 26. Be5 Rf4 27. Nxd2 Rh4 28. Bg7+ Kh7 29. Bf6+ Bd7+ 30. Bxh4 Rg8 31. Qe7+ Rg7 32. Rxd7) 26. Rxf1 Bxf1 27. Qxf1 Rf8 28. Qxf8+ Bxf8 { Black wins on time. } 0-1