[Event "Bawah 9 Tahun Putrajaya 2021"] [Site "https://lichess.org/sdEsXQ1J"] [Date "2021.04.10"] [White "ALISA_ALFIAN"] [Black "IrfanKhair_chess"] [Result "0-1"] [UTCDate "2021.04.10"] [UTCTime "01:30:00"] [WhiteElo "755"] [BlackElo "1310"] [WhiteRatingDiff "-29"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 d6 { C41 Philidor Defense } 3. Nc3 Nf6 4. d3 g6 5. g3 Nc6 6. b4? { (0.17 → -1.45) Mistake. Bg2 was best. } (6. Bg2 Bg7 7. O-O O-O 8. Be3 Rb8 9. Qc1 b5 10. Bg5 Qd7) 6... b5?? { (-1.45 → 0.31) Blunder. Nxb4 was best. } (6... Nxb4) 7. Ba3? { (0.31 → -1.27) Mistake. a4 was best. } (7. a4 d5 8. Bd2 Bxb4 9. axb5 dxe4 10. dxe4 Nd4 11. Ra4 Bxc3 12. Bxc3 Nxe4 13. Bxd4 exd4) 7... Ba6? { (-1.27 → 0.20) Mistake. a5 was best. } (7... a5 8. d4 axb4 9. Bxb5 Rxa3 10. Bxc6+ Bd7 11. Bxd7+ Qxd7 12. Nb1 Ra4 13. dxe5 Ng4 14. Nbd2) 8. Nd5 Ng4?? { (-0.31 → 1.35) Blunder. Nxd5 was best. } (8... Nxd5 9. exd5) 9. Nf6+?? { (1.35 → -5.29) Blunder. Bc1 was best. } (9. Bc1 Bg7 10. a4 Ne7 11. axb5 Bxb5 12. Nxe7 Qxe7 13. c4 Bd7 14. Bg2 h6 15. h3 Nf6) 9... Qxf6?! { (-5.29 → -4.16) Inaccuracy. Nxf6 was best. } (9... Nxf6) 10. c3 Be7 11. d4? { (-3.51 → -6.95) Mistake. h3 was best. } (11. h3 Nh6 12. Bc1 Qg7 13. a4 Nd8 14. Bg2 f6 15. O-O Nhf7 16. Re1 O-O 17. d4 bxa4) 11... exd4 12. cxd4 Nxd4 13. Bb2 Nxf3+ 14. Ke2?! { (-22.90 → Mate in 4) Checkmate is now unavoidable. Qxf3 was best. } (14. Qxf3 Qxf3 15. Bd4 Qxe4+ 16. Be3 Qxh1 17. O-O-O Nxe3 18. Bxb5+ Bxb5 19. Rxh1 Ng4 20. f3 Bc6) 14... Qxb2+ 15. Kxf3 Qxb4?! { (Mate in 2 → -11.86) Lost forced checkmate sequence. Qxf2+ was best. } (15... Qxf2+ 16. Kxg4 Bc8#) 16. Kxg4 Bb7 17. Bd3 Bf6 18. Re1 Bxa1 19. Qxa1 Qa5? { (-9.94 → -4.34) Mistake. O-O was best. } (19... O-O 20. Kh3 Qd2 21. Bxb5 Qxf2 22. Qc3 Bxe4 23. Rxe4 Qf5+ 24. g4 Qxe4 25. Bc6 Qf4 26. Bxa8) 20. e5? { (-4.34 → -10.10) Mistake. Qxh8+ was best. } (20. Qxh8+ Ke7 21. Qa1 Re8 22. Re2 Qa3 23. Rd2 Qb4 24. Re2 c5 25. Qg7 c4 26. Bc2 Qc5) 20... O-O 21. exd6 cxd6 22. Re4 Bxe4 23. Bc2 Bxc2 24. Qf6 Qb4+ 25. Qf4 Qxf4+ 26. Kxf4 b4 27. h4 Rfc8 28. g4 b3 29. axb3 Bxb3 30. h5 gxh5 31. gxh5 Kg7 32. h6+ Kxh6 33. Kg3 Rc4 34. f3 a5 35. Kh3 a4 36. Kg2 a3 37. Kf1 a2 38. Ke1 a1=Q+ 39. Ke2 Rf4 40. Ke3 Qd4+ 41. Ke2 Bd1+ 42. Kf1 Bxf3 43. Ke1 Ra1# { Black wins by checkmate. } 0-1