[Event "Bawah 17 Tahun Putrajaya 2021"] [Site "https://lichess.org/avx9lfWJ"] [Date "2021.04.10"] [White "Serena23"] [Black "RAHMAN_04"] [Result "0-1"] [UTCDate "2021.04.10"] [UTCTime "04:22:20"] [WhiteElo "913"] [BlackElo "1105"] [WhiteRatingDiff "-33"] [BlackRatingDiff "+23"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A17"] [Opening "English Opening: Anglo-Indian Defense, Hedgehog System"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. Nc3 Nf6 { A17 English Opening: Anglo-Indian Defense, Hedgehog System } 3. Na4?! { (0.13 → -0.52) Inaccuracy. e4 was best. } (3. e4 c5 4. Nf3 Nc6 5. Be2 d5 6. exd5 exd5 7. d4 cxd4) 3... d5 4. cxd5 exd5 5. d4 c6 6. Bg5 Qa5+ 7. b4?? { (-0.54 → -7.17) Blunder. Nc3 was best. } (7. Nc3 Ne4 8. Bd2 Nxd2 9. Qxd2 Bd6 10. Nf3 Bg4 11. e3 Nd7 12. Bd3 Bxf3 13. gxf3 O-O-O) 7... Qxb4+? { (-7.17 → -4.15) Mistake. Bxb4+ was best. } (7... Bxb4+ 8. Bd2) 8. Bd2 Qxd4 9. f4? { (-4.10 → -8.53) Mistake. Nf3 was best. } (9. Nf3 Qg4) 9... b5?! { (-8.53 → -5.65) Inaccuracy. Bb4 was best. } (9... Bb4 10. Nf3) 10. Nc5?! { (-5.65 → -8.70) Inaccuracy. Nc3 was best. } (10. Nc3 Qb6 11. e3 Bc5 12. Rb1 Bxe3 13. Bxe3 Qxe3+ 14. Qe2 Qxe2+ 15. Bxe2 O-O 16. Nf3 Bf5) 10... Qxc5 11. f5 Ng4 12. e3 Nxe3 13. h3 Nxd1 14. Kxd1 Bxf5 15. g4 Qc2+ 16. Ke2 Qd3+ 17. Kd1?! { (-20.46 → Mate in 7) Checkmate is now unavoidable. Ke1 was best. } (17. Ke1 Qg3+ 18. Kd1 Be4 19. Ne2 Qd3 20. Rc1 Bb4 21. Nc3 Qf3+ 22. Ke1 Be7 23. g5 Qg3+) 17... Qxf1+ 18. Be1 Qd3+ 19. Bd2 Qc2+?! { (Mate in 5 → -25.84) Lost forced checkmate sequence. Bb4 was best. } (19... Bb4 20. Ke1 Qxd2+ 21. Kf1 Bd3+ 22. Ne2 Qxe2+ 23. Kg1 Bc5#) 20. Ke2 Nd7 21. Ke1 Ba3 22. Ne2 O-O 23. gxf5 Ne5 24. h4 Nf3+ 25. Kf2 Nxd2 26. Ke1?! { (-28.32 → Mate in 6) Checkmate is now unavoidable. Rh3 was best. } (26. Rh3 Qxf5+) 26... Bb4?! { (Mate in 6 → -53.67) Lost forced checkmate sequence. Rae8 was best. } (26... Rae8 27. Rd1 Nf3+ 28. Kf2 Rxe2+ 29. Kxf3 Qe4+ 30. Kg3 Bd6+ 31. Kh3 Qxf5#) 27. a4?! { (-53.67 → Mate in 6) Checkmate is now unavoidable. a3 was best. } (27. a3 Rae8) 27... Nf3+?! { (Mate in 6 → -144.80) Lost forced checkmate sequence. Rae8 was best. } (27... Rae8 28. Rh2 Qxf5 29. Kd1 Nb3 30. Rh3 Qf1+ 31. Kc2 Nxa1+ 32. Kb2 Rxe2#) 28. Kf1?! { (-144.80 → Mate in 6) Checkmate is now unavoidable. Kf2 was best. } (28. Kf2 Nd4) 28... Rfe8 29. axb5 Qxe2# { Black wins by checkmate. } 0-1