[Event "Mathematicians Arena"] [Site "https://lichess.org/8b6hxZp3"] [Date "2025.12.16"] [Round "-"] [White "Mathematician_2025"] [Black "LoStan"] [Result "0-1"] [GameId "8b6hxZp3"] [UTCDate "2025.12.16"] [UTCTime "21:06:29"] [WhiteElo "1592"] [BlackElo "1921"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... c6 { [%eval 0.31] } 2. Nf3 { [%eval 0.17] } 2... d5 { [%eval 0.21] } 3. exd5 { [%eval 0.14] } 3... cxd5 { [%eval 0.07] } 4. d4 { [%eval 0.0] } 4... Nc6 { [%eval 0.13] } { B13 Caro-Kann Defense: Exchange Variation } 5. Bb5 { [%eval 0.07] } 5... Bg4 { [%eval 0.15] } 6. Bxc6+ { [%eval -0.09] } 6... bxc6 { [%eval -0.09] } 7. h3 { [%eval -0.25] } 7... Bh5 { [%eval -0.04] } 8. Qd3 { [%eval -0.5] } 8... e6 { [%eval -0.62] } 9. Ne5?! { (-0.62 → -1.18) Inaccuracy. Nbd2 was best. } { [%eval -1.18] } (9. Nbd2) 9... Rc8 { [%eval -0.81] } 10. O-O { [%eval -0.73] } 10... Bd6 { [%eval -0.31] } 11. Nf3?! { (-0.31 → -1.36) Inaccuracy. Qg3 was best. } { [%eval -1.36] } (11. Qg3) 11... Bg6 { [%eval -0.85] } 12. Qe2 { [%eval -0.9] } 12... h6 { [%eval -0.73] } 13. Nc3 { [%eval -0.81] } 13... Nf6 { [%eval -0.67] } 14. Re1 { [%eval -1.01] } 14... O-O { [%eval -0.93] } 15. Be3?! { (-0.93 → -1.75) Inaccuracy. Ne5 was best. } { [%eval -1.75] } (15. Ne5 Bh7 16. Na4 Ne4 17. Nd3 Qa5 18. b3 Rfe8 19. Qg4 Nf6 20. Qd1 Qc7) 15... Bb4? { (-1.75 → -0.53) Mistake. Bh5 was best. } { [%eval -0.53] } (15... Bh5 16. g4 Bg6 17. Ne5 Bh7 18. Nd3 a5 19. Rf1 Ne4 20. Nxe4 Bxe4 21. f3) 16. a3 { [%eval -0.53] } 16... Bxc3 { [%eval -0.54] } 17. bxc3 { [%eval -0.44] } 17... Ne4 { [%eval -0.28] } 18. Qa6 { [%eval -0.39] } 18... Qd7?! { (-0.39 → 0.56) Inaccuracy. Nxc3 was best. } { [%eval 0.56] } (18... Nxc3 19. a4) 19. Ne5 { [%eval 0.58] } 19... Qc7 { [%eval 0.85] } 20. Nxg6?! { (0.85 → -0.09) Inaccuracy. Bf4 was best. } { [%eval -0.09] } (20. Bf4 Nd6 21. c4 Qb7 22. Qxb7 Nxb7 23. Rab1 Na5 24. Nxg6 fxg6 25. Bd6 Rf7) 20... fxg6 { [%eval -0.16] } 21. c4 { [%eval -0.37] } 21... Rb8?! { (-0.37 → 0.19) Inaccuracy. Nd6 was best. } { [%eval 0.19] } (21... Nd6 22. cxd5) 22. c5 { [%eval 0.21] } 22... Rf7 { [%eval 0.19] } 23. g3?? { (0.19 → -3.74) Blunder. Qe2 was best. } { [%eval -3.74] } (23. Qe2 e5 24. c4 Nf6 25. cxd5 Nxd5 26. Qd3 Nxe3 27. Rxe3 exd4 28. Qxd4 Rf5) 23... Nxg3 { [%eval -3.81] } 24. Qd3 { [%eval -4.07] } 24... Rbf8 { [%eval -3.52] } 25. Kg2?! { (-3.52 → -4.44) Inaccuracy. Qxg6 was best. } { [%eval -4.44] } (25. Qxg6 Ne4 26. Rab1 Rf6 27. Qh5 Kh7 28. Rf1 Rf5 29. Qh4 R8f6 30. f4 Rg6+) 25... Ne4 { [%eval -4.37] } 26. Rf1?! { (-4.37 → -5.81) Inaccuracy. Qe2 was best. } { [%eval -5.81] } (26. Qe2 Rxf2+ 27. Bxf2 Rxf2+ 28. Qxf2 Nxf2 29. Kxf2 Qh2+ 30. Ke3 Qxc2 31. Rab1 Kh7) 26... Qd7?? { (-5.81 → -1.79) Blunder. Rf3 was best. } { [%eval -1.79] } (26... Rf3 27. Qe2 Qf7 28. Rh1 Qf5 29. Raf1 g5 30. Qe1 g4 31. h4 g3 32. fxg3) 27. f3 { [%eval -1.36] } 27... Nf6 { [%eval -1.45] } 28. f4?? { (-1.45 → -3.45) Blunder. Qxg6 was best. } { [%eval -3.45] } (28. Qxg6 Ne8) 28... Ne4 { [%eval -3.51] } 29. Rae1 { [%eval -4.36] } 29... Qe7 { [%eval -3.57] } 30. Qa6?! { (-3.57 → -5.54) Inaccuracy. Qe2 was best. } { [%eval -5.54] } (30. Qe2 Kh7 31. Qg4 h5 32. Qf3 Qc7 33. Bc1 Qa5 34. h4 Rf5 35. Qb3) 30... Qh4 { [%eval -5.36] } 31. Bf2 { [%eval -6.56] } 31... Nxf2 { [%eval -5.36] } 32. Rxf2 { [%eval -5.39] } 32... Rxf4 { [%eval -5.33] } 33. Rxf4 { [%eval -4.9] } 33... Rxf4 { [%eval -5.44] } 34. Qe2 { [%eval -5.32] } 34... Re4 { [%eval -4.47] } 35. Qd2? { (-4.47 → -8.91) Mistake. Qf2 was best. } { [%eval -8.91] } (35. Qf2 Qxf2+ 36. Kxf2 Rxe1 37. Kxe1 Kf7 38. Kd2 g5 39. Ke3 h5 40. a4 Kf6) 35... Rxe1 { [%eval -8.76] } 36. Kh2 { [%eval -9.12] } 36... Qe4 { [%eval -9.09] } 37. Kg3? { (-9.09 → Mate in 4) Checkmate is now unavoidable. Qf2 was best. } { [%eval #-4] } (37. Qf2 Re2 38. Kg3 Rxf2 39. Kxf2 Kf7 40. Kg3 Qxd4 41. c4 Qg1+ 42. Kf3 Qf1+) 37... Rg1+ { [%eval #-3] } 38. Kf2 { [%eval #-3] } 38... Rg2+ { [%eval #-2] } 39. Kf1 { [%eval #-2] } 39... Rxd2 { [%eval #-1] } 40. Kg1 { [%eval #-1] } 40... Qg2# { Black wins by checkmate. } 0-1