Event: Round 4: Theodorou, Nikolas - Yu, Yangyi
Date: 2024-05-17
White: Theodorou, Nikolas
WhiteTitle: GM
WhiteElo: 2616
Black: Yu, Yangyi
BlackTitle: GM
BlackElo: 2728
Result: 1/2-1/2
ECO: E12
Opening: Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line
Variant: Standard

1. d4 { [%eval 0.14] } 1... Nf6 { [%eval 0.17] } 2. c4 { [%eval 0.21] } 2... e6 { [%eval 0.22] } 3. Nf3 { [%eval 0.19] } 3... b6 { [%eval 0.36] } 4. a3 { [%eval 0.12] } 4... Bb7 { [%eval 0.16] } 5. Nc3 { [%eval 0.14] } 5... d5 { [%eval 0.15] } 6. Qc2 { [%eval 0.1] } 6... Be7 { [%eval 0.13] } 7. Bf4 { [%eval 0.17] } 7... c5 { [%eval 0.13] } 8. dxc5 { [%eval 0.04] } 8... bxc5 { [%eval 0.14] } 9. cxd5 { [%eval 0.12] } 9... exd5 { [%eval 0.17] } 10. e3 { [%eval 0.18] } 10... O-O { [%eval 0.21] } 11. Be2 { [%eval 0.2] } 11... Nbd7 { [%eval 0.18] } 12. h3 { [%eval 0.14] } 12... Rc8 { [%eval 0.12] } 13. Rd1 { [%eval 0.0] } 13... d4 { [%eval 0.5] } 14. exd4 { [%eval 0.34] } 14... cxd4 { [%eval 0.4] } 15. Rxd4 { [%eval 0.14] } 15... Qb6 { [%eval 0.18] } 16. Rd1 { [%eval 0.0] } 16... Nd5 { [%eval 0.0] } 17. Nxd5 { [%eval 0.0] } 17... Rxc2 { [%eval 0.0] } 18. Nxb6 { [%eval 0.0] } 18... Nxb6 { [%eval 0.05] } 19. Be5 { [%eval -0.08] } 19... Be4 { [%eval 0.11] } 20. Nd2 { [%eval 0.13] } 20... Bg6 { [%eval 0.09] } 21. Nf1 { [%eval 0.2] } 21... f6 { [%eval 0.24] } 22. Bd4 { [%eval 0.25] } 22... Nd5? { [%eval 1.75] } { Mistake. Nc4 was best. } 23. Bf3 { [%eval 1.71] } 23... Nf4 { [%eval 1.76] } 24. Ne3 { [%eval 1.86] } 24... Rc7 { [%eval 1.74] } 25. g3 { [%eval 1.77] } 25... Ne6 { [%eval 1.69] } 26. Bc3 { [%eval 1.83] } 26... Bc5 { [%eval 1.77] } 27. Nd5 { [%eval 1.64] } 27... Rcc8 { [%eval 1.76] } 28. h4 { [%eval 1.6] } 28... Bf7 { [%eval 2.1] } 29. O-O { [%eval 2.2] } 29... Nc7 { [%eval 2.05] } 30. Nxc7 { [%eval 2.01] } 30... Rxc7 { [%eval 1.97] } 31. Ba5 { [%eval 2.03] } 31... Rcc8 { [%eval 2.61] } 32. Rfe1 { [%eval 2.01] } 32... Rfe8 { [%eval 2.1] } 33. Rxe8+ { [%eval 2.11] } 33... Bxe8 { [%eval 2.21] } 34. Bd5+ { [%eval 2.17] } 34... Kf8 { [%eval 2.44] } 35. Rc1 { [%eval 2.42] } 35... Ke7 { [%eval 2.37] } 36. Bd2 { [%eval 2.16] } 36... Bd7 { [%eval 2.16] } 37. Be4 { [%eval 2.23] } 37... h6 { [%eval 2.06] } 38. Bg6 { [%eval 1.88] } 38... Rc6 { [%eval 1.93] } 39. Be4 { [%eval 1.86] } 39... Rc8 { [%eval 1.89] } 40. Bf4 { [%eval 1.7] } 40... Bb6 { [%eval 1.71] } 41. Re1 { [%eval 1.67] } 41... Kf8 { [%eval 1.71] } 42. Bd5 { [%eval 1.58] } 42... Bc7 { [%eval 1.58] } 43. Be3 { [%eval 1.66] } 43... Bb6 { [%eval 1.59] } 44. Bf4 { [%eval 1.53] } 44... Bc7 { [%eval 1.53] } 45. Bxc7?! { [%eval 0.91] } { Inaccuracy. Bd2 was best. } 45... Rxc7 { [%eval 0.91] } 46. Re3 { [%eval 0.67] } 46... Rc5 { [%eval 0.82] } 47. Bf3 { [%eval 0.67] } 47... Rc2 { [%eval 0.98] } 48. Rb3 { [%eval 0.96] } 48... a5 { [%eval 1.1] } 49. Rb7 { [%eval 0.83] } 49... Ke8 { [%eval 1.33] } 50. Kf1 { [%eval 1.19] } 50... g5 { [%eval 1.21] } 51. hxg5 { [%eval 1.01] } 51... hxg5 { [%eval 1.43] } 52. Ke1 { [%eval 1.46] } 52... f5 { [%eval 1.7] } 53. Bd1 { [%eval 1.35] } 53... Rc5 { [%eval 1.33] } 54. b4? { [%eval 0.14] } { Mistake. Be2 was best. } 54... Re5+?! { [%eval 0.7] } { Inaccuracy. axb4 was best. } 55. Kd2 { [%eval 0.51] } 55... Rd5+ { [%eval 0.57] } 56. Kc1 { [%eval 0.66] } 56... Kd8 { [%eval 0.71] } 57. Rb8+?! { [%eval 0.13] } { Inaccuracy. Bb3 was best. } 57... Kc7 { [%eval 0.12] } 58. Rg8 { [%eval 0.09] } 58... axb4 { [%eval 0.19] } 59. axb4 { [%eval 0.15] } 59... g4 { [%eval 0.31] } 60. Bc2 { [%eval 0.0] } 60... Rd4 { [%eval 0.33] } 61. Rf8 { [%eval 0.01] } 61... Kd6 { [%eval 0.05] } 62. b5 { [%eval 0.09] } 62... Rb4 { [%eval 0.15] } 63. b6 { [%eval 0.1] } 63... Rxb6 { [%eval 0.0] } 64. Rf6+ { [%eval 0.0] } 64... Kc5 { [%eval 0.04] } 65. Rxb6 { [%eval 0.05] } 65... Kxb6 { [%eval 0.15] } 66. Kd2 { [%eval 0.05] } 66... f4 { [%eval 0.05] } 67. gxf4 { [%eval 0.05] } 67... Kc7 { [%eval 0.07] } 68. Ke3 { [%eval 0.07] } 68... Kd6 { [%eval 0.06] } 69. Ke4 { [%eval 0.07] } 69... Ke6 { [%eval 0.02] } 70. f5+ { [%eval 0.03] } 70... Kf6 { [%eval 0.05] } 71. Kf4 { [%eval 0.0] } 71... Bc8 { [%eval 0.0] } 72. Kxg4 { [%eval 0.0] } 72... Bd7 { [%eval 0.0] } 73. Kf4 { [%eval 0.0] } 73... Bc8 { [%eval 0.03] } 74. Be4 { [%eval 0.03] } 74... Bd7 { [%eval 0.03] } 75. Bb7 { [%eval 0.03] } 75... Bxf5 { [%eval 0.03] } 76. Be4 Bd7 77. Bb7 Bf5 78. Be4 Bd7 1/2-1/2