Event: Round 9: P. Karthikeyan - K. Ratnakaran
Date: 2022-04-06
White: P. Karthikeyan
Black: K. Ratnakaran
Result: 0-1
ECO: A43
Opening: Benoni Defense: Old Benoni
Variant: Standard

1. d4 { [%eval 0.3] } 1... c5?! { [%eval 0.87] } { Inaccuracy. Nf6 was best. } 2. d5 { [%eval 0.78] } 2... d6 { [%eval 0.82] } 3. c4 { [%eval 0.78] } 3... g6 { [%eval 0.81] } 4. Nf3 { [%eval 0.71] } 4... Bg7 { [%eval 0.86] } 5. e4 { [%eval 0.94] } 5... a6 { [%eval 0.95] } 6. Be2 { [%eval 1.25] } 6... Bg4 { [%eval 1.08] } 7. Nfd2?! { [%eval 0.53] } { Inaccuracy. O-O was best. } 7... Bxe2 { [%eval 0.42] } 8. Qxe2 { [%eval 0.48] } 8... Nd7 { [%eval 0.94] } 9. O-O { [%eval 1.1] } 9... h5 { [%eval 1.62] } 10. Nf3?! { [%eval 1.0] } { Inaccuracy. f4 was best. } 10... h4?! { [%eval 1.68] } { Inaccuracy. b5 was best. } 11. h3 { [%eval 1.57] } 11... Qc7 { [%eval 1.89] } 12. Ng5?! { [%eval 1.19] } { Inaccuracy. a4 was best. } 12... Ngf6 { [%eval 1.37] } 13. f4?! { [%eval 0.64] } { Inaccuracy. a4 was best. } 13... Nh5 { [%eval 0.73] } 14. Qd3 { [%eval 0.23] } 14... Ng3 { [%eval 0.32] } 15. Re1 { [%eval 0.28] } 15... Bd4+ { [%eval 0.53] } 16. Kh2 { [%eval 0.72] } 16... Nf6 { [%eval 1.0] } 17. Nc3 { [%eval 1.12] } 17... Rh5? { [%eval 2.55] } { Mistake. b5 was best. } 18. Be3 { [%eval 2.57] } 18... Bxc3 { [%eval 2.87] } 19. bxc3 { [%eval 2.44] } 19... Nh7 { [%eval 2.66] } 20. Nxh7 { [%eval 2.59] } 20... Rxh7 { [%eval 2.61] } 21. Bf2 { [%eval 2.7] } 21... Nh5 { [%eval 2.54] } 22. Qf3 { [%eval 2.91] } 22... Ng7 { [%eval 2.75] } 23. f5 { [%eval 2.77] } 23... g5 { [%eval 3.4] } 24. f6 { [%eval 3.48] } 24... Nh5 { [%eval 3.39] } 25. Qf5?? { [%eval 0.97] } { Blunder. fxe7 was best. } 25... Nxf6 { [%eval 0.71] } 26. e5 { [%eval 0.38] } 26... dxe5 { [%eval 1.18] } 27. d6?? { [%eval -2.01] } { Blunder. Qxe5 was best. } 27... Qxd6 { [%eval -2.16] } 28. Rad1 { [%eval -2.07] } 28... Qe6 { [%eval -2.43] } 29. Qxe6 { [%eval -2.38] } 29... fxe6 { [%eval -1.98] } 30. Rxe5 { [%eval -2.09] } 30... g4 { [%eval -2.41] } 31. Bxc5 { [%eval -2.82] } 31... Nd7? { [%eval -1.5] } { Mistake. Rc8 was best. } 32. Rg5 { [%eval -1.51] } 32... g3+ { [%eval -1.43] } 33. Kg1 { [%eval -0.98] } 33... O-O-O { [%eval -1.39] } 34. Be3 { [%eval -1.13] } 34... e5 { [%eval -0.86] } 35. Rf1?! { [%eval -1.4] } { Inaccuracy. Kf1 was best. } 35... Kc7 { [%eval -1.36] } 36. c5 { [%eval -1.75] } 36... Kc6 { [%eval -1.98] } 37. c4 { [%eval -2.35] } 37... a5?! { [%eval -1.53] } { Inaccuracy. Nxc5 was best. } 38. a4 { [%eval -1.56] } 38... Nxc5 { [%eval -1.52] } 39. Bxc5 { [%eval -1.77] } 39... Kxc5 { [%eval -1.47] } 40. Rxe5+ { [%eval -1.59] } 40... Kc6 { [%eval -1.42] } 41. Rxa5 { [%eval -1.73] } 41... Rd4 { [%eval -1.57] } 42. Ra8 { [%eval -1.42] } 42... e5 { [%eval -1.37] } 43. Re8 { [%eval -1.36] } 43... Rxc4 { [%eval -1.4] } 44. Rxe5 { [%eval -1.91] } 44... Rxa4 { [%eval -1.16] } 45. Rc1+ { [%eval -2.02] } 45... Kb6 { [%eval -2.22] } 46. Rb1+ { [%eval -2.66] } 46... Ka6?! { [%eval -1.63] } { Inaccuracy. Ka7 was best. } 47. Reb5 { [%eval -1.85] } 47... Rc7 { [%eval -2.1] } 48. Rb6+ { [%eval -2.25] } 48... Ka7 { [%eval -2.29] } 49. R6b2 { [%eval -2.19] } 49... Rac4 { [%eval -2.42] } 50. Ra1+ { [%eval -2.55] } 50... Kb8 { [%eval -2.65] } 51. Kf1 { [%eval -2.27] } 51... Rc1+ { [%eval -2.56] } 52. Rxc1 { [%eval -2.27] } 52... Rxc1+ { [%eval -2.46] } 53. Ke2 { [%eval -2.61] } 53... Rc4 { [%eval -2.44] } 54. Kd3 { [%eval -2.4] } 54... Ra4 { [%eval -2.28] } 55. Rc2 { [%eval -2.29] } 55... Ka7 { [%eval -2.38] } 56. Rc7 { [%eval -2.42] } 56... Ka6 { [%eval -2.86] } 57. Rh7 { [%eval -2.61] } 57... Rf4 { [%eval -2.25] } 58. Kc3 { [%eval -2.65] } 58... b6 { [%eval -2.56] } 59. Rh5 { [%eval -2.82] } 59... Ra4 { [%eval -2.48] } 60. Kb3 { [%eval -2.87] } 60... Re4 { [%eval -2.93] } 61. Kc3 { [%eval -2.82] } 61... b5 { [%eval -2.87] } 62. Rh8 { [%eval -2.89] } 62... Kb6 { [%eval -2.79] } 63. Rh7?! { [%eval -4.08] } { Inaccuracy. Rb8+ was best. } 63... Rc4+ { [%eval -3.35] } 64. Kb3 { [%eval -3.23] } 64... Rf4 { [%eval -2.15] } 65. Rh5 { [%eval -3.41] } 65... Re4 { [%eval -3.48] } 66. Kc3 { [%eval -3.34] } 66... Ka5 { [%eval -3.84] } 67. Rh8 { [%eval -3.96] } 67... b4+ { [%eval -4.5] } 68. Kb3 { [%eval -4.0] } 68... Re3+ { [%eval -3.96] } 69. Kb2?! { [%eval -5.73] } { Inaccuracy. Kc2 was best. } 69... Ka4 { [%eval -5.77] } 70. Ra8+ { [%eval -6.45] } 70... Kb5 { [%eval -6.37] } 71. Rh8 { [%eval -5.93] } 71... Kc4 { [%eval -6.47] } 72. Rxh4+ { [%eval -5.87] } 72... Kd3 { [%eval -5.68] } 73. Rxb4 { [%eval -6.62] } 73... Re2+ { [%eval -6.78] } 74. Kc1 { [%eval -7.08] } 74... Rxg2 { [%eval -5.87] } 75. Rb3+ { [%eval -7.29] } 75... Ke2 { [%eval -6.08] } 76. Kc2 { [%eval -6.0] } 76... Rg1 { [%eval -7.44] } 77. Rb8 { [%eval -5.95] } 77... g2 { [%eval -6.97] } 78. Rg8 { [%eval -6.08] } 78... Kf3 { [%eval -5.75] } 0-1