[Event "J2 UNSS Lycée 2025 2026 Team Battle"] [Site "https://lichess.org/DA728KdS"] [Date "2025.12.10"] [Round "-"] [White "NathanRA"] [Black "popimo"] [Result "0-1"] [GameId "DA728KdS"] [UTCDate "2025.12.10"] [UTCTime "13:00:00"] [WhiteElo "1096"] [BlackElo "1099"] [WhiteRatingDiff "-46"] [BlackRatingDiff "+30"] [Variant "Standard"] [TimeControl "420+3"] [ECO "B50"] [Opening "Sicilian Defense: Kopec System"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] } 2. Bd3 { [%eval -0.13] } 2... d6 { [%eval 0.02] } 3. Nf3 { [%eval -0.03] } { B50 Sicilian Defense: Kopec System } 3... Nc6 { [%eval 0.0] } 4. Nc3 { [%eval -0.19] } 4... Nf6 { [%eval -0.1] } 5. b3 { [%eval -0.45] } 5... g6 { [%eval -0.44] } 6. Ba3 { [%eval -0.93] } 6... Bg7 { [%eval -0.89] } 7. O-O { [%eval -0.84] } 7... O-O { [%eval -0.76] } 8. Nd5?! { (-0.76 → -1.80) Inaccuracy. Rb1 was best. } { [%eval -1.8] } (8. Rb1 a6 9. Re1 e5 10. Bb2 Nd4 11. a4 Bg4 12. Be2 Bd7) 8... Nxe4?? { (-1.80 → 0.16) Blunder. Nxd5 was best. } { [%eval 0.16] } (8... Nxd5 9. exd5 Qa5 10. dxc6 Qxa3 11. Qe2 Bxa1 12. Qxe7 Bg4 13. Rxa1 bxc6 14. Qxd6) 9. c3?? { (0.16 → -2.40) Blunder. Bxe4 was best. } { [%eval -2.4] } (9. Bxe4) 9... Bf5?? { (-2.40 → -0.34) Blunder. f5 was best. } { [%eval -0.34] } (9... f5 10. Re1 e6 11. Nf4 e5 12. Bc4+ Kh8 13. Ne6 Bxe6 14. Bxe6 a5 15. h3) 10. Qc2 { [%eval -0.43] } 10... Nf6 { [%eval 0.02] } 11. Bxf5?? { (0.02 → -1.99) Blunder. Nxf6+ was best. } { [%eval -1.99] } (11. Nxf6+ Bxf6) 11... Nxd5 { [%eval -1.89] } 12. Be4 { [%eval -2.04] } 12... e6 { [%eval -1.59] } 13. Rae1 { [%eval -2.19] } 13... Nf4 { [%eval -1.71] } 14. d3?? { (-1.71 → -4.40) Blunder. g3 was best. } { [%eval -4.4] } (14. g3 d5 15. gxf4 Qa5 16. Bxd5 exd5 17. Bc1 Rfe8 18. Kg2 d4 19. Qd3 dxc3) 14... Qa5?? { (-4.40 → -1.79) Blunder. d5 was best. } { [%eval -1.79] } (14... d5 15. Bxc5 Re8 16. Rd1 dxe4 17. dxe4 Qf6 18. Kh1 Qxc3 19. Qxc3 Bxc3 20. Rd7) 15. g3?? { (-1.79 → -4.08) Blunder. Bxc6 was best. } { [%eval -4.08] } (15. Bxc6 bxc6 16. Re4 Nd5 17. Bb2 e5 18. Ra4 Qc7 19. g3 Rfe8 20. c4 Nb6) 15... Qxa3?! { (-4.08 → -3.07) Inaccuracy. d5 was best. } { [%eval -3.07] } (15... d5 16. gxf4 Qxa3 17. Bxg6 hxg6 18. Ng5 Ne7 19. h4 c4 20. Qe2 Bf6 21. h5) 16. gxf4?! { (-3.07 → -4.25) Inaccuracy. Bxc6 was best. } { [%eval -4.25] } (16. Bxc6 bxc6 17. gxf4 Qa5 18. c4 Qd8 19. Kg2 a5 20. Qd2 a4 21. bxa4 Qf6) 16... d5 { [%eval -4.23] } 17. Ra1?! { (-4.23 → -5.78) Inaccuracy. Bxg6 was best. } { [%eval -5.78] } (17. Bxg6 hxg6 18. Ng5 Ne7 19. Qe2 Qa6 20. h4 Qd6 21. f5 Nxf5 22. h5 Qf4) 17... dxe4 { [%eval -5.06] } 18. dxe4 { [%eval -5.26] } 18... b5 { [%eval -4.98] } 19. b4 { [%eval -6.09] } 19... cxb4 { [%eval -6.14] } 20. cxb4 { [%eval -7.13] } 20... Bxa1 { [%eval -6.79] } 21. Rxa1 { [%eval -6.82] } 21... Nxb4 { [%eval -6.13] } 22. Qd2 { [%eval -7.01] } 22... Rfd8 { [%eval -6.49] } 23. Qe2 { [%eval -6.71] } 23... Rab8 { [%eval -6.21] } 24. Rd1 { [%eval -6.88] } 24... Nxa2 { [%eval -5.87] } 25. Nd4 { [%eval -6.4] } 25... b4 { [%eval -6.39] } 26. Nc2 { [%eval -7.62] } 26... Qc3 { [%eval -6.54] } 27. Ra1 { [%eval -8.39] } 27... b3 { [%eval -8.49] } 28. Na3 { [%eval -8.98] } 28... b2 { [%eval -7.91] } 29. Rxa2? { (-7.91 → Mate in 9) Checkmate is now unavoidable. Rf1 was best. } { [%eval #-9] } (29. Rf1 Qxa3 30. f5 exf5 31. exf5 Nc1 32. Qe5 Qd6 33. Qe3 Qf6 34. Kh1 Nd3) 29... b1=Q+?? { (Mate in 9 → -6.96) Lost forced checkmate sequence. Qh3 was best. } { [%eval -6.96] } (29... Qh3 30. Rxb2 Rxb2 31. Nc2 Rb1+ 32. Ne1 Rdd1 33. f3 Rxe1+ 34. Kf2 Qxh2+ 35. Ke3) 30. Nxb1 { [%eval -7.79] } 30... Rxb1+ { [%eval -7.43] } 31. Kg2 { [%eval -7.16] } 31... Rd4 { [%eval -5.82] } 32. Rd2?? { (-5.82 → Mate in 8) Checkmate is now unavoidable. Rxa7 was best. } { [%eval #-8] } (32. Rxa7 Rd2 33. Ra3 Rb8 34. Rxc3 Rxe2 35. Rc4 Reb2 36. h4 R2b7 37. Kg3 Kg7) 32... Rxd2 { [%eval #-9] } 33. Qa6 { [%eval #-6] } 33... f5?! { (Mate in 6 → -10.20) Lost forced checkmate sequence. Rdd1 was best. } { [%eval -10.2] } (33... Rdd1 34. Qc8+ Qxc8 35. h3 Rg1+ 36. Kh2 Qc3 37. h4 Rh1+ 38. Kg2 Rbg1#) 34. Qxe6+ { [%eval -8.33] } 34... Kg7?? { (-8.33 → 0.00) Blunder. Kf8 was best. } { [%eval 0.0] } (34... Kf8 35. exf5 Rxf2+ 36. Kxf2 Rb2+ 37. Qe2 Rxe2+ 38. Kxe2 Qc2+ 39. Ke3 gxf5 40. Kf3) 35. Qe7+ { [%eval 0.0] } 35... Kh6 { [%eval 0.0] } 36. Qh4+ { [%eval 0.0] } 36... Kg7 { [%eval 0.0] } 37. exf5?? { (0.00 → Mate in 6) Checkmate is now unavoidable. Qe7+ was best. } { [%eval #-6] } (37. Qe7+ Kg8 38. Qe8+ Kg7) 37... Rbb2?? { (Mate in 6 → 0.00) Lost forced checkmate sequence. Qc6+ was best. } { [%eval 0.0] } (37... Qc6+ 38. Kh3 Rb3+ 39. Qg3 Rxg3+ 40. Kh4 Qf3 41. f6+ Kxf6 42. hxg3 Qh5#) 38. Kg1?? { (0.00 → Mate in 7) Checkmate is now unavoidable. Qe7+ was best. } { [%eval #-7] } (38. Qe7+ Kg8 39. Qe8+ Kg7 40. Qe7+) 38... Qc1+ { [%eval #-6] } 39. Kg2 { [%eval #-6] } 39... Rb1?? { (Mate in 6 → 0.00) Lost forced checkmate sequence. Qc6+ was best. } { [%eval 0.0] } (39... Qc6+ 40. Kh3 Rb3+ 41. Qg3 Rxg3+ 42. Kh4 Qf3 43. f6+ Kxf6 44. hxg3 Qh5#) 40. Kf3?? { (0.00 → Mate in 5) Checkmate is now unavoidable. Qe7+ was best. } { [%eval #-5] } (40. Qe7+ Kg8 41. Qe8+ Kg7) 40... Rd3+ { [%eval #-4] } 41. Ke4 { [%eval #-2] } 41... Qc3?? { (Mate in 2 → 0.00) Lost forced checkmate sequence. Qc4+ was best. } { [%eval 0.0] } (41... Qc4+ 42. Ke5 Re1#) 42. f6+?? { (0.00 → -6.62) Blunder. Qe7+ was best. } { [%eval -6.62] } (42. Qe7+ Kg8 43. Qe8+ Kg7) 42... Kf7 { [%eval -7.77] } 43. Qxh7+ { [%eval -6.81] } 43... Kxf6 { [%eval -6.78] } 44. f5?? { (-6.78 → Mate in 1) Checkmate is now unavoidable. Qh8+ was best. } { [%eval #-1] } (44. Qh8+ Ke7 45. Qh7+ Kf8 46. Qh6+ Qg7 47. Qxg7+ Kxg7 48. Kxd3 a5 49. Ke4) 44... Rb4# { Black wins by checkmate. } 0-1