[Event "Battle in KOC 264 Beg and Int"] [Site "https://lichess.org/4HoQ6BIn"] [Date "2026.05.17"] [Round "-"] [White "AharshiChatterjee"] [Black "jzjzj123sigma4512"] [Result "0-1"] [GameId "4HoQ6BIn"] [UTCDate "2026.05.17"] [UTCTime "09:25:43"] [WhiteElo "477"] [BlackElo "1018"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... d6 { [%eval 0.43] } { B00 Pirc Defense } 2. Bc4 { [%eval 0.04] } 2... g6 { [%eval 0.4] } 3. Qf3?! { (0.40 → -0.17) Inaccuracy. d4 was best. } { [%eval -0.17] } (3. d4 Nf6 4. Qe2 Nc6 5. Nf3 Bg7 6. h3 O-O 7. O-O Nh5) 3... Nf6 { [%eval -0.31] } 4. Nc3 { [%eval -0.32] } 4... c5 { [%eval -0.31] } 5. Nb5?! { (-0.31 → -1.10) Inaccuracy. Nge2 was best. } { [%eval -1.1] } (5. Nge2 Nc6 6. O-O Bg7 7. d3 O-O 8. a3 h6 9. Rb1 Kh7) 5... Bg7 { [%eval -1.1] } 6. e5? { (-1.10 → -2.49) Mistake. Nc3 was best. } { [%eval -2.49] } (6. Nc3 Nc6 7. d3 O-O 8. a4 e6 9. Nge2 d5 10. exd5 Nb4 11. Bb3 exd5) 6... dxe5 { [%eval -2.53] } 7. g4?! { (-2.53 → -3.50) Inaccuracy. Ne2 was best. } { [%eval -3.5] } (7. Ne2 Nc6 8. d3 Bg4 9. Qe3 a6 10. Nbc3 Nd4 11. Bb3 Be6 12. Qd2 O-O) 7... a6 { [%eval -3.59] } 8. g5 { [%eval -4.03] } 8... Bg4?? { (-4.03 → -1.49) Blunder. axb5 was best. } { [%eval -1.49] } (8... axb5 9. gxf6 bxc4 10. fxg7 Rg8 11. Ne2 Nc6 12. d3 cxd3 13. cxd3 Rxg7 14. Bh6) 9. Qg2? { (-1.49 → -2.99) Mistake. Qxb7 was best. } { [%eval -2.99] } (9. Qxb7 axb5 10. gxf6 Bxf6 11. Bxb5+ Nd7 12. a4 O-O 13. Qg2 Bf5 14. d3 c4) 9... axb5 { [%eval -2.8] } 10. Bxb5+ { [%eval -2.54] } 10... Nbd7?? { (-2.54 → 2.28) Blunder. Bd7 was best. } { [%eval 2.28] } (10... Bd7 11. gxf6 Bxb5 12. fxg7 Rg8 13. Ne2 Bc6 14. f3 Na6 15. d3 Nb4 16. Nc3) 11. Bc4?? { (2.28 → -3.60) Blunder. gxf6 was best. } { [%eval -3.6] } (11. gxf6 exf6 12. Qxg4 f5 13. Qg2 O-O 14. Ne2 e4 15. O-O Ne5 16. d3 Nf3+) 11... Bh5?! { (-3.60 → -2.66) Inaccuracy. O-O was best. } { [%eval -2.66] } (11... O-O 12. gxf6 Nxf6 13. a4 Bf5 14. d3 e4 15. Ra3 exd3 16. cxd3 Ne8 17. Ne2) 12. Qxb7?! { (-2.66 → -3.64) Inaccuracy. gxf6 was best. } { [%eval -3.64] } (12. gxf6 exf6 13. Qxb7 O-O 14. Be2 Bxe2 15. Nxe2 c4 16. O-O f5 17. Qd5 Qg5+) 12... Rb8 { [%eval -3.7] } 13. Qe4?? { (-3.70 → -8.90) Blunder. Qg2 was best. } { [%eval -8.9] } (13. Qg2 Ng8 14. a4 e6 15. Ne2 Ne7 16. Ng3 O-O 17. a5 Ra8 18. Bb5 Ra7) 13... Nxe4 { [%eval -8.54] } 14. f3 { [%eval -8.71] } 14... Nxg5 { [%eval -8.46] } 15. f4 { [%eval -9.55] } 15... exf4 { [%eval -9.43] } 16. h4 { [%eval -9.43] } 16... Nf3+ { [%eval -9.52] } 17. Nxf3 { [%eval -9.22] } 17... Bxf3 { [%eval -9.1] } 18. O-O? { (-9.10 → Mate in 11) Checkmate is now unavoidable. d4 was best. } { [%eval #-11] } (18. d4 Qb6 19. Rf1 Qb4+ 20. c3 Qxc4 21. Rxf3 Qd5 22. Bxf4 Qxf3 23. Bxb8 Qe3+) 18... O-O? { (Mate in 11 → -8.80) Lost forced checkmate sequence. Bd4+ was best. } { [%eval -8.8] } (18... Bd4+ 19. Rf2 e6 20. Kf1 Qxh4 21. Rxf3 Qh1+ 22. Ke2 Qg2+ 23. Rf2 Qxf2+ 24. Kd1) 19. Rxf3 { [%eval -8.61] } 19... Ne5 { [%eval -8.59] } 20. Rxf4 { [%eval -8.83] } 20... Bh6 { [%eval -7.73] } 21. Rf2 { [%eval -8.76] } 21... Nxc4 { [%eval -8.74] } 22. b3 { [%eval -8.66] } 22... Nxd2 { [%eval -8.65] } 23. Bxd2 { [%eval -8.44] } 23... Qxd2 { [%eval -7.81] } 24. Rxd2 { [%eval -7.87] } 24... Bxd2 { [%eval -7.63] } 25. Rd1 { [%eval -8.06] } 25... Rbd8 { [%eval -8.02] } 26. Rf1 { [%eval -8.1] } 26... Be3+ { [%eval -7.85] } 27. Kg2 { [%eval -7.73] } 27... Rd2+ { [%eval -7.85] } 28. Kf3 { [%eval -7.84] } 28... Bh6 { [%eval -7.83] } 29. Re1 { [%eval -8.27] } 29... Rxc2 { [%eval -8.1] } 30. b4 { [%eval -9.05] } 30... cxb4 { [%eval -8.36] } 31. a4 { [%eval -10.88] } 31... Ra2 { [%eval -8.65] } 32. Ra1? { (-8.65 → Mate in 5) Checkmate is now unavoidable. Rxe7 was best. } { [%eval #-5] } (32. Rxe7 Rc8 33. Re1 Ra3+ 34. Kg2 Rc2+ 35. Kg1 Be3+ 36. Kf1 Kg7 37. h5 Raa2) 32... Rxa1 { [%eval #-4] } 33. a5 { [%eval #-4] } 33... Rxa5 { [%eval #-4] } 34. h5 { [%eval #-4] } 34... Rxh5 { [%eval #-5] } 35. Ke4 { [%eval #-4] } 35... Rf5 { [%eval #-5] } 36. Kd4 { [%eval #-5] } 36... Rc8 { [%eval #-4] } 37. Kd3 { [%eval #-4] } 37... Rcc5 { [%eval #-4] } 38. Kd4 { [%eval #-3] } 38... Rc6 { [%eval #-4] } 39. Kd3 { [%eval #-4] } 39... Rcf6 { [%eval #-6] } 40. Kc4 { [%eval #-6] } 40... Rg5 { [%eval #-6] } 41. Kxb4 { [%eval #-4] } 41... Rf4+ { [%eval #-4] } 42. Kc3 { [%eval #-4] } 42... Rg3+ { [%eval #-3] } 43. Kd2 { [%eval #-3] } 43... Rf2+ { [%eval #-2] } 44. Ke1 { [%eval #-2] } 44... Ra2 { [%eval #-2] } 45. Kd1 { [%eval #-1] } 45... Rg1# { Black wins by checkmate. } 0-1