[Event "Chessbrainz: Battle of 64 Arena"] [Site "https://lichess.org/aNxXHgOD"] [Date "2026.05.30"] [Round "-"] [White "umasankardatta"] [Black "Mitrabha"] [Result "0-1"] [GameId "aNxXHgOD"] [UTCDate "2026.05.30"] [UTCTime "14:33:29"] [WhiteElo "2023"] [BlackElo "2703"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [BlackTitle "GM"] [BlackBerserk "true"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B12"] [Opening "Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. e4 { [%eval 0.18] } 1... c6 { [%eval 0.31] } 2. d4 { [%eval 0.24] } 2... d5 { [%eval 0.24] } 3. e5 { [%eval 0.33] } 3... c5 { [%eval 0.32] } { B12 Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense } 4. dxc5 { [%eval 0.27] } 4... Nc6 { [%eval 0.5] } 5. Bb5 { [%eval 0.26] } 5... e6 { [%eval 0.29] } 6. Be3 { [%eval 0.28] } 6... Ne7 { [%eval 0.33] } 7. Nf3 { [%eval 0.0] } 7... Nf5 { [%eval 0.06] } 8. Bd4 { [%eval -0.27] } 8... Nxd4 { [%eval -0.3] } 9. Qxd4 { [%eval -0.53] } 9... Bd7?! { (-0.53 → 0.40) Inaccuracy. Qa5+ was best. } { [%eval 0.4] } (9... Qa5+ 10. Nc3 Qxb5 11. Nxb5 Nxd4 12. Nbxd4 Bxc5 13. h4 a5 14. O-O-O Bd7 15. c3) 10. Bxc6 { [%eval 0.4] } 10... Bxc6 { [%eval 0.48] } 11. b4 { [%eval 0.15] } 11... a5?! { (0.15 → 0.87) Inaccuracy. b6 was best. } { [%eval 0.87] } (11... b6 12. cxb6 Qxb6 13. a3 Be7 14. Nc3 O-O 15. O-O Bd7 16. Ne2 Bb5 17. Qxb6) 12. c3 { [%eval 0.8] } 12... Be7 { [%eval 1.11] } 13. Nbd2?! { (1.11 → 0.50) Inaccuracy. O-O was best. } { [%eval 0.5] } (13. O-O O-O 14. a3 Qb8 15. Nbd2 Rc8 16. Nb3 b6 17. cxb6 axb4 18. axb4 Bd8) 13... Bb5 { [%eval 0.49] } 14. a4 { [%eval 0.48] } 14... axb4 { [%eval 0.44] } 15. cxb4 { [%eval 0.45] } 15... Bxa4 { [%eval 0.48] } 16. O-O { [%eval 0.57] } 16... O-O { [%eval 0.6] } 17. Rfb1 { [%eval 0.17] } 17... Bb5?! { (0.17 → 1.02) Inaccuracy. Qc7 was best. } { [%eval 1.02] } (17... Qc7 18. Qe3 h6 19. Ra3 Bd7 20. Rxa8 Rxa8 21. Nd4 Rc8 22. Rc1 Be8 23. N2b3) 18. Nb3 { [%eval 0.57] } 18... Qd7 { [%eval 0.86] } 19. Na5? { (0.86 → -0.29) Mistake. Qc3 was best. } { [%eval -0.29] } (19. Qc3 h6 20. Nbd4 Bc4 21. Ra3 Rfb8 22. h4 Ra6 23. Rba1 Bd8 24. h5 Bc7) 19... Ra7?! { (-0.29 → 0.65) Inaccuracy. Be2 was best. } { [%eval 0.65] } (19... Be2 20. Nb3 Bxf3 21. gxf3 Rab8 22. Ra7 f6 23. Re1 Bd8 24. Nc1 Bc7 25. Nd3) 20. c6?! { (0.65 → 0.00) Inaccuracy. Nb3 was best. } { [%eval 0.0] } (20. Nb3 Rxa1 21. Qxa1 Bd3 22. Rc1 Be4 23. Nbd4 Bxf3 24. Nxf3 f6 25. Re1 h6) 20... bxc6 { [%eval 0.1] } 21. Nxc6 { [%eval -0.1] } 21... Rxa1 { [%eval 0.13] } 22. Nxe7+ { [%eval 0.0] } 22... Qxe7 { [%eval 0.0] } 23. Rxa1 { [%eval -0.17] } 23... Rc8 { [%eval -0.03] } 24. h4 { [%eval -0.13] } 24... h6 { [%eval -0.16] } 25. Ra7 { [%eval -0.18] } 25... Qe8 { [%eval 0.0] } 26. Qb6 { [%eval 0.0] } 26... Bd3 { [%eval 0.44] } 27. Rc7 { [%eval 0.0] } 27... Rb8 { [%eval 0.0] } 28. Qc5 { [%eval 0.0] } 28... Bg6 { [%eval 0.37] } 29. Nd4 { [%eval 0.04] } 29... Kh7? { (0.04 → 1.47) Mistake. Qa4 was best. } { [%eval 1.47] } (29... Qa4 30. b5 Qd1+ 31. Kh2 Kh7 32. Qa7 Rg8 33. Nf3 Qe2 34. Rxf7 Bxf7 35. Qxf7) 30. b5 { [%eval 1.47] } 30... Qd8 { [%eval 1.38] } 31. b6? { (1.38 → 0.00) Mistake. Qe7 was best. } { [%eval 0.0] } (31. Qe7 Qxe7 32. Rxe7 Kg8 33. Ra7 Bd3 34. Ra3 Bc4 35. h5 Kh7 36. f3 Rb7) 31... Qxh4 { [%eval 0.0] } 32. Nc6 { [%eval 0.0] } 32... Ra8? { (0.00 → 1.24) Mistake. Qg4 was best. } { [%eval 1.24] } (32... Qg4 33. f3 Qh4 34. Nxb8 Qe1+ 35. Kh2 Qh4+ 36. Kg1) 33. Ra7 { [%eval 1.08] } 33... Rf8?? { (1.08 → 3.78) Blunder. Rxa7 was best. } { [%eval 3.78] } (33... Rxa7 34. bxa7 Qa4 35. f3 Bf5 36. Nd4 Qa1+ 37. Kf2 Qa2+ 38. Kg3 Qa1 39. Nc6) 34. b7 { [%eval 3.45] } 34... Be4 { [%eval 2.88] } 35. Qxf8?? { (2.88 → 0.00) Blunder. Qe3 was best. } { [%eval 0.0] } (35. Qe3 d4 36. Qxd4 Qf4 37. Ra1 Qf5 38. b8=Q Rxb8 39. Nxb8 Qg6 40. f3 Bxf3) 35... Qg4?? { (0.00 → 2.38) Blunder. Qg5 was best. } { [%eval 2.38] } (35... Qg5 36. Qg8+ Kxg8 37. f3 Qc1+ 38. Kh2 Qf4+ 39. Kg1) 36. Qg8+?? { (2.38 → 0.00) Blunder. f3 was best. } { [%eval 0.0] } (36. f3 Bxf3 37. Ra2 Bxg2 38. Qa3 Be4+ 39. Kf1 Qh4 40. Rf2 d4 41. b8=Q d3) 36... Kxg8 { [%eval 0.0] } 37. b8=Q+ { [%eval 0.0] } 37... Kh7 { [%eval 0.0] } 38. f3 { [%eval 0.0] } 38... Bxf3 { [%eval 0.0] } 39. Qb2 { [%eval 0.0] } 39... Be4?? { (0.00 → 3.41) Blunder. Bxg2 was best. } { [%eval 3.41] } (39... Bxg2 40. Qxg2 Qd1+ 41. Qf1 Qg4+) 40. Ra2?? { (3.41 → 0.00) Blunder. Rxf7 was best. } { [%eval 0.0] } (40. Rxf7 d4 41. Nb4 Kg8 42. Rf2 Qd1+ 43. Rf1 Qg4 44. Qd2 d3 45. Rf4 Qg5) 40... Qd1+ { [%eval 0.0] } 41. Kh2 { [%eval 0.0] } 41... g5?? { (0.00 → 3.42) Blunder. Qh5+ was best. } { [%eval 3.42] } (41... Qh5+ 42. Kg1 Qd1+ 43. Kh2 Qh5+) 42. Qd2 { [%eval 3.41] } 42... Qh5+ { [%eval 3.56] } 43. Kg1 { [%eval 3.5] } 43... g4 { [%eval 3.58] } 44. Ne7?? { (3.58 → -3.23) Blunder. Ra3 was best. } { [%eval -3.23] } (44. Ra3 d4 45. Nxd4 Qxe5 46. Qe3 Qd5 47. Ne2 Bxg2 48. Nf4 Qf3 49. Nxg2 Qxe3+) 44... g3 { [%eval -2.88] } 45. Kf1?? { (-2.88 → -6.32) Blunder. Qf4 was best. } { [%eval -6.32] } (45. Qf4 Qh2+ 46. Kf1 Bd3+ 47. Ke1 Qg1+ 48. Kd2 Qf2+ 49. Qxf2 gxf2 50. Ra1 f1=R) 45... Qh1+ { [%eval -6.02] } 46. Ke2 { [%eval -5.51] } 46... Qxg2+ { [%eval -5.83] } 47. Ke3 { [%eval -5.63] } 47... Qf3+?! { (-5.63 → -4.15) Inaccuracy. Qg1+ was best. } { [%eval -4.15] } (47... Qg1+ 48. Kf4 g2 49. Kg3 Qc5 50. Ra1 g1=R+ 51. Rxg1 Qxg1+ 52. Kh4 Qh1+ 53. Kg3) 48. Kd4 { [%eval -4.57] } 48... g2 { [%eval -4.04] } 49. Ra1 { [%eval -4.42] } 49... Qf1 { [%eval -4.15] } 50. Rxf1 { [%eval -4.31] } 50... gxf1=Q { [%eval -4.07] } 51. Kc5 { [%eval -4.12] } 51... Qc4+ { [%eval -3.76] } 52. Kd6 { [%eval -3.69] } 52... d4 { [%eval -3.75] } 53. Qf4 { [%eval -3.83] } 53... Qb4+ { [%eval -3.89] } 54. Kd7 { [%eval -3.61] } 54... Qb7+?! { (-3.61 → -2.29) Inaccuracy. Qa4+ was best. } { [%eval -2.29] } (54... Qa4+ 55. Kd8 Qa8+ 56. Kd7 Qa7+ 57. Ke8 Bg6 58. Nxg6 fxg6 59. Qf6 d3 60. Qxe6) 55. Ke8 { [%eval -2.05] } 55... Bg6 { [%eval -1.55] } 56. Qf6?? { (-1.55 → -4.37) Blunder. Nxg6 was best. } { [%eval -4.37] } (56. Nxg6 fxg6 57. Qxd4 Qg7 58. Qd6 Qg8+ 59. Ke7 g5 60. Qd3+ Kh8 61. Kf6 g4) 56... Qb8+ { [%eval -3.76] } 57. Kd7 { [%eval -3.81] } 57... Qh8 { [%eval -3.81] } 58. Qf4 { [%eval -3.69] } 58... d3 { [%eval -3.54] } { Black wins on time. } 0-1