[Event "Tata Steel Challengers"] [Site "Wijk aan Zee NED"] [Date "2025.02.02"] [Round "13.4"] [White "Bok, B."] [Black "Nguyen, Thai Dai Van"] [Result "0-1"] [GameId "zXjpZAaZ"] [WhiteElo "2583"] [BlackElo "2668"] [Variant "Standard"] [TimeControl "-"] [ECO "E36"] [Opening "Nimzo-Indian Defense: Classical Variation, Noa Variation, Botvinnik Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 { [%eval 0.15] } 1... Nf6 { [%eval 0.15] } 2. c4 { [%eval 0.17] } 2... e6 { [%eval 0.14] } 3. Nc3 { [%eval 0.09] } 3... Bb4 { [%eval 0.15] } 4. Qc2 { [%eval 0.08] } 4... d5 { [%eval 0.07] } 5. a3 { [%eval 0.05] } 5... Bxc3+ { [%eval 0.1] } 6. Qxc3 { [%eval 0.07] } 6... Nc6 { [%eval 0.29] } { E36 Nimzo-Indian Defense: Classical Variation, Noa Variation, Botvinnik Variation } 7. Bg5 { [%eval 0.21] } 7... dxc4 { [%eval 0.31] } 8. e3 { [%eval 0.3] } 8... Nd5 { [%eval 0.38] } 9. Bxd8 { [%eval 0.34] } 9... Nxc3 { [%eval 0.3] } 10. Bxc7 { [%eval 0.3] } 10... Nd5 { [%eval 0.28] } 11. Bg3 { [%eval 0.0] } 11... Na5 { [%eval 0.0] } 12. Ne2 { [%eval 0.0] } 12... b5 { [%eval 0.39] } 13. Nc3?! { (0.39 → -0.16) Inaccuracy. Rd1 was best. } { [%eval -0.16] } (13. Rd1 O-O 14. e4 Nf6 15. f3 Nb3 16. Nc1 Nxc1 17. Rxc1 Rd8 18. b3 cxb3) 13... a6 { [%eval 0.11] } 14. Be2 { [%eval 0.01] } 14... Bb7 { [%eval -0.01] } 15. Nxd5 { [%eval 0.0] } 15... Bxd5 { [%eval -0.03] } 16. f3 { [%eval 0.0] } 16... Nb3 { [%eval 0.04] } 17. Rb1 { [%eval 0.06] } 17... Rc8 { [%eval 0.0] } 18. Bd1 { [%eval -0.1] } 18... Kd7 { [%eval 0.4] } 19. e4 { [%eval 0.4] } 19... Bb7 { [%eval 0.41] } 20. Bc2 { [%eval 0.13] } 20... a5?! { (0.13 → 0.68) Inaccuracy. Rhd8 was best. } { [%eval 0.68] } (20... Rhd8 21. Bf2 Ke8 22. Rd1 a5 23. O-O a4 24. Bb1 h5 25. Rfe1 Kf8 26. h4) 21. Kf2 { [%eval 0.75] } 21... Rhf8 { [%eval 0.92] } 22. Ke3 { [%eval 0.95] } 22... f5 { [%eval 1.04] } 23. Rhd1 { [%eval 0.55] } 23... g5 { [%eval 0.68] } 24. Be1 { [%eval 0.44] } 24... fxe4 { [%eval 0.61] } 25. fxe4 { [%eval 0.87] } 25... Rf4 { [%eval 1.37] } 26. Bg3 { [%eval 1.37] } 26... Rff8 { [%eval 1.39] } 27. Bxb3? { (1.39 → 0.00) Mistake. Rf1 was best. } { [%eval 0.0] } (27. Rf1 b4 28. Rxf8 Rxf8 29. axb4 axb4 30. Be1 Rb8 31. Bd1 h6 32. Bg4 Ba6) 27... cxb3 { [%eval 0.0] } 28. Rf1 { [%eval 0.0] } 28... Rxf1 { [%eval 0.0] } 29. Rxf1 { [%eval 0.0] } 29... Ke7 { [%eval 0.0] } 30. Be1 { [%eval 0.0] } 30... b4 { [%eval 0.0] } 31. axb4 { [%eval 0.0] } 31... Rc1 { [%eval 0.04] } 32. bxa5 { [%eval 0.03] } 32... Ke8 { [%eval 0.05] } 33. Kd2 { [%eval 0.0] } 33... Rc2+ { [%eval 0.0] } 34. Ke3 { [%eval 0.0] } 34... Rxb2 { [%eval 0.0] } 35. Bb4 { [%eval -0.19] } 35... Rxg2 { [%eval -0.18] } 36. Rf8+ { [%eval -0.19] } 36... Kd7 { [%eval -0.17] } 37. Rf7+ { [%eval -0.14] } 37... Kc8 { [%eval -0.16] } 38. Rf8+ { [%eval -0.21] } 38... Kc7 { [%eval -0.27] } 39. Rf7+ { [%eval -0.32] } 39... Kb8 { [%eval -0.24] } 40. Bd6+ { [%eval -0.27] } 40... Ka7 { [%eval -0.25] } 41. Bc5+?? { (-0.25 → -2.52) Blunder. Rf1 was best. } { [%eval -2.52] } (41. Rf1 Rc2 42. d5 exd5 43. Rb1 d4+ 44. Kd3 Ba6+ 45. Kxd4 Bc4 46. Ba3 Bg8) 41... Ka6 { [%eval -2.09] } 42. Re7 { [%eval -2.7] } 42... b2 { [%eval -2.69] } 43. Rxe6+ { [%eval -2.71] } 43... Kxa5 { [%eval -2.84] } 44. Rb6 { [%eval -2.9] } 44... Ba6 { [%eval -2.68] } 45. Rb8 { [%eval -2.6] } 45... Re2+ { [%eval -2.54] } 46. Kf3 { [%eval -3.12] } 46... Bd3 { [%eval -2.87] } 47. h3 { [%eval -2.86] } 47... h5 { [%eval -2.7] } 48. e5 { [%eval -2.63] } 48... Rh2 { [%eval -3.78] } 49. Kg3 { [%eval -2.85] } 49... Re2 { [%eval -2.64] } 50. Kf3 { [%eval -2.68] } 50... Ka4?! { (-2.68 → -1.73) Inaccuracy. b1=Q was best. } { [%eval -1.73] } (50... b1=Q 51. Rxb1 g4+ 52. hxg4 hxg4+ 53. Kxg4 Bxb1 54. Kg5 Kb5 55. Kf6 Kc6 56. Ke7) 51. e6?? { (-1.73 → -6.71) Blunder. Rb4+ was best. } { [%eval -6.71] } (51. Rb4+ Ka3 52. d5 Rc2 53. Be7 Rc7 54. Bd6 Rc3 55. Kf2 Ka2 56. e6 b1=Q) 51... Bb5 { [%eval -6.09] } 52. Ra8+ { [%eval -6.94] } 52... Kb3 { [%eval -6.65] } 53. Rb8 { [%eval -7.36] } 53... g4+ { [%eval -7.71] } 54. hxg4 { [%eval -7.3] } 54... hxg4+ { [%eval -7.22] } 55. Kxg4 { [%eval -8.15] } 55... Kc4 { [%eval -9.22] } { Black wins. } 0-1