[Event "CATUR MSSD KT LELAKI 12 TAHUN Arena"] [Site "https://lichess.org/k1GD9Oxf"] [Date "2026.03.07"] [Round "-"] [White "m-13899182"] [Black "RIZKYBELKOMS"] [Result "1-0"] [GameId "k1GD9Oxf"] [UTCDate "2026.03.07"] [UTCTime "02:02:52"] [WhiteElo "852"] [BlackElo "619"] [WhiteRatingDiff "+31"] [BlackRatingDiff "-17"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... Nc6 { [%eval 0.44] } { B00 Nimzowitsch Defense } 2. g4?? { (0.44 → -1.24) Blunder. d4 was best. } { [%eval -1.24] } (2. d4 d5 3. e5 Bf5 4. c3 e6 5. Nd2 f6 6. f4 g5) 2... Nb4?? { (-1.24 → 0.61) Blunder. d5 was best. } { [%eval 0.61] } (2... d5 3. Bg2 dxe4 4. Nc3 e5 5. Nxe4 Nf6 6. h3 h5 7. gxh5) 3. c3 { [%eval 0.63] } 3... Nd5?? { (0.63 → 3.91) Blunder. Nc6 was best. } { [%eval 3.91] } (3... Nc6 4. d4 d5 5. e5 h5 6. gxh5 Bf5 7. Ne2 Bg4 8. Qb3) 4. c4?? { (3.91 → 0.81) Blunder. exd5 was best. } { [%eval 0.81] } (4. exd5 c6 5. d4 cxd5 6. Na3 e6 7. Nc2 h5 8. g5 Bd6 9. Qf3 Ne7) 4... Nb4 { [%eval 0.93] } 5. b3? { (0.93 → -0.59) Mistake. d4 was best. } { [%eval -0.59] } (5. d4 e5 6. Nf3 exd4 7. Nxd4 c5 8. Nc2 d6 9. h3 Ne7 10. Nc3 Nec6) 5... Nc6 { [%eval -0.38] } 6. Ba3?! { (-0.38 → -1.07) Inaccuracy. Nf3 was best. } { [%eval -1.07] } (6. Nf3 e5 7. Bb2 h5 8. g5 Bc5 9. Nxe5 Nxe5 10. Bxe5 Qxg5 11. Bb2 Nf6) 6... a5 { [%eval -0.59] } 7. Bc5 { [%eval -1.12] } 7... Ra6? { (-1.12 → 0.33) Mistake. e6 was best. } { [%eval 0.33] } (7... e6 8. Bxf8 Kxf8 9. Nc3 h5 10. gxh5 a4 11. h4 d6 12. Be2 Nf6 13. d3) 8. Na3? { (0.33 → -0.93) Mistake. Nc3 was best. } { [%eval -0.93] } (8. Nc3 e5 9. Be3 Bb4 10. a3 Bxc3 11. dxc3 d6 12. f3 h5 13. g5 Nge7) 8... Rb6?? { (-0.93 → 1.70) Blunder. Nf6 was best. } { [%eval 1.7] } (8... Nf6 9. f3 h5 10. g5 Nh7 11. f4 e5 12. Bxf8 Nxf8 13. f5 Qxg5 14. Nf3) 9. Bd4?? { (1.70 → -4.84) Blunder. Bxb6 was best. } { [%eval -4.84] } (9. Bxb6 cxb6 10. Nb5 e5 11. h4 Bc5 12. Qf3 Nd4 13. Nxd4 Bxd4 14. Rd1 Ne7) 9... Nf6?? { (-4.84 → 1.47) Blunder. Nxd4 was best. } { [%eval 1.47] } (9... Nxd4 10. Nc2 Nxc2+ 11. Qxc2 e5 12. Nf3 Bc5 13. O-O-O d6 14. d4 exd4 15. Nxd4) 10. Bxb6 { [%eval 1.5] } 10... Nxe4? { (1.50 → 3.48) Mistake. cxb6 was best. } { [%eval 3.48] } (10... cxb6 11. Nb5 g6 12. Qe2 e5 13. O-O-O Bc5 14. h4 d6 15. f3 O-O) 11. Bxa5? { (3.48 → 1.63) Mistake. Be3 was best. } { [%eval 1.63] } (11. Be3 e5 12. Nc2 Nc5 13. Bg2 e4 14. h4 Nd3+ 15. Kf1) 11... b6?! { (1.63 → 2.50) Inaccuracy. e6 was best. } { [%eval 2.5] } (11... e6 12. Nc2 Nxa5 13. Qe2 Nf6 14. g5 Ng8 15. h4 h6 16. f4 Ne7 17. O-O-O) 12. Bxb6?! { (2.50 → 1.80) Inaccuracy. Bc3 was best. } { [%eval 1.8] } (12. Bc3 e5 13. Nb5 Nxf2 14. Kxf2 Bc5+ 15. Kg2 Bb7 16. Nf3 h5 17. g5 Nb4) 12... cxb6 { [%eval 1.66] } 13. c5?? { (1.66 → -1.93) Blunder. Nb5 was best. } { [%eval -1.93] } (13. Nb5 e6 14. Bg2 d5 15. Nf3 h5 16. g5 Bc5 17. O-O dxc4 18. h4 Ng3) 13... Nxc5? { (-1.93 → -0.38) Mistake. e6 was best. } { [%eval -0.38] } (13... e6 14. Qf3 Nxc5 15. h4 Bb7 16. Rh3 Nb4 17. Qd1 Qf6 18. d4 Ne4 19. f3) 14. Qf3?? { (-0.38 → -2.36) Blunder. d4 was best. } { [%eval -2.36] } (14. d4 Ne4 15. Nb5 e5 16. Qc2 Bb4+ 17. Kd1 Qg5 18. a3 Bb7 19. axb4 Nxb4) 14... Nxb3?? { (-2.36 → 2.80) Blunder. Bb7 was best. } { [%eval 2.8] } (14... Bb7 15. Bg2 Nb4 16. Qg3 Ba6 17. Ne2 e6 18. Nc3 Ncd3+ 19. Ke2 Nf4+ 20. Kd1) 15. axb3 { [%eval 2.67] } 15... Ba6? { (2.67 → 5.27) Mistake. g6 was best. } { [%eval 5.27] } (15... g6 16. Bc4 e6 17. Qc3 f6 18. Kf1 Bc5 19. Nc2) 16. Rc1? { (5.27 → 2.85) Mistake. Bxa6 was best. } { [%eval 2.85] } (16. Bxa6 e6 17. Nc2 h5 18. g5 Qxg5 19. Be2 Bc5 20. h4 Qe5 21. Qc3 Qe4) 16... Bxf1?! { (2.85 → 3.97) Inaccuracy. Bb7 was best. } { [%eval 3.97] } (16... Bb7 17. Nb5 e6 18. Bg2 Be7 19. Ne2 O-O 20. Nbd4 Bc5 21. Qg3 Nxd4 22. Bxb7) 17. Kxf1 { [%eval 3.86] } 17... Nd4 { [%eval 3.98] } 18. Qd3 { [%eval 3.72] } 18... Nf3? { (3.72 → 6.09) Mistake. e5 was best. } { [%eval 6.09] } (18... e5 19. Nb5 Ne6 20. Nf3 Bb4 21. Nd6+ Bxd6 22. Qxd6 Qa8 23. Rg1 Qxf3) 19. Qxf3 { [%eval 5.89] } 19... Qc7?? { (5.89 → Mate in 5) Checkmate is now unavoidable. e6 was best. } { [%eval #5] } (19... e6 20. Nc4 Be7 21. Ne3 O-O 22. h4 b5 23. h5 f5 24. gxf5 d5 25. Rd1) 20. Qa8+? { (Mate in 5 → 7.18) Lost forced checkmate sequence. Rxc7 was best. } { [%eval 7.18] } (20. Rxc7 e6 21. Qd3 Bd6 22. Qxd6 f5 23. Qxd7+ Kf8 24. Qf7#) 20... Qb8? { (7.18 → Mate in 1) Checkmate is now unavoidable. Qd8 was best. } { [%eval #1] } (20... Qd8 21. Qxd8+ Kxd8 22. Nc4 e6 23. Nxb6 g5 24. Nf3 Bg7 25. Nxg5 Re8 26. h4) 21. Qxb8# { White wins by checkmate. } 1-0