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Up Topic The Rybka Lounge / Computer Chess / Queen vs 3 minors.
- By Lazy Frank (****) Date 2020-11-10 17:12
Sicilian Taimanov:

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6
8. O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Rb8 12. Qg3 O-O 13. Bd4 Bd6 14.
f4 Nh5 15. fxe5 Nxg3 16. exd6 Qxd6 17. hxg3 Qxg3 18. Rh3

Only game where black held the draw was Bonus 3 game 33:


[Event "TCEC Season 19 - Sufi Bonus 3"]
[Site "tcec-chess.com"]
[Date "2020.11.08"]
[Round "33.1"]
[White "LCZero v0.26.3_T60.SV.JH.92-330"]
[Black "StockfishClassical 202007311012"]
[Result "1/2-1/2"]
[BlackElo "3543"]
[ECO "B48"]
[Opening "Sicilian"]
[Variation "Taimanov, 6.Be3 a6 7.Qd2 Nf6 8.f3"]
[WhiteElo "3546"]
[TimeControl "3600+5"]
[Termination "adjudication"]
[PlyCount "250"]
[WhiteType "engine"]
[BlackType "engine"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6
8. O-O-O Bb4 9. f3 Ne5 10. Nb3 b5 11. Qe1 Rb8 12. Qg3 O-O 13. Bd4 Bd6 14.
f4 Nh5 15. fxe5 Nxg3 16. exd6 Qxd6 17. hxg3 Qxg3 18. Rh3 Qg5+ 19. Be3 Qg6
20. e5 h6 21. Ne2 Qf5 22. Ng3 Qxe5 23. Nh5 Bb7 24. Bf4 Qf5 25. Bd3 Be4 26.
Nd4 Qd5 27. Ne2 Rbc8 28. Nc3 Rxc3 29. bxc3 Bxd3 30. Rdxd3 Qxg2 31. Rdg3
Qf1+ 32. Kb2 Kh8 33. Rh4 Qe1 34. Nxg7 Qxg3 35. Bxg3 Kxg7 36. Bf4 h5 37.
Rxh5 Rc8 38. Rh1 Kg6 39. Rd1 Rc4 40. Bd6 f5 41. Rd4 Kh5 42. Kb3 Rxd4 43.
cxd4 Kg4 44. Kc3 Kf3 45. Kd3 Kf2 46. Bh2 Kf3 47. Bc7 Kf2 48. Bb8 Kf3 49.
Bc7 Kf2 50. Be5 Kf3 51. Bb8 Kf2 52. Bc7 Kf3 53. Bb6 Kg3 54. Bc5 Kf4 55. Be7
Kg3 56. Bd6+ Kf3 57. Bc5 Kg3 58. Ba7 Kf3 59. Bb8 Kf2 60. Bc7 Kf3 61. Be5
Kf2 62. Bd6 Kf3 63. Bc5 Kf4 64. Ba7 Kf3 65. Bb6 Kg3 66. a3 Kf3 67. Bc5 Kf4
68. Bb6 Kf3 69. Ba7 Kg3 70. Bc5 Kf4 71. Be7 Kg3 72. Bd6+ Kf2 73. Bc7 Kf3
74. Bd6 Kf2 75. Bh2 Kg2 76. Bc7 Kf2 77. Bb8 Kf3 78. Be5 Kf2 79. Bb8 Kf3 80.
Be5 Kf2 81. d5 exd5 82. Bc7 Kf3 83. Be5 Kf2 84. Bb8 Ke1 85. Bf4 Kf2 86.
Be3+ Ke1 87. Kc3 Kd1 88. Kd3 Ke1 89. Kc3 Ke2 90. Bg5 Ke1 91. Kd4 Kd1 92.
Kd3 Ke1 93. Be3 Kf1 94. Kd4 Ke2 95. Bh6 Kd1 96. Kd3 Ke1 97. Be3 Kf1 98.
Kc3 Ke2 99. Bg5 Ke1 100. Kd3 Kf2 101. Bd2 Kf3 102. Bc3 Kg3 103. Bb4 Kf2
104. Bd6 Ke1 105. Bf4 Kf1 106. Bg3 Kg2 107. Bc7 Kf2 108. c3 Kf3 109. Bb6
Kf4 110. Bf2 Kg4 111. Ke3 f4+ 112. Ke2 d6 113. Bb6 Kg3 114. Ba7 f3+ 115.
Kd1 a5 116. Be3 f2 117. Ke2 f1=Q+ 118. Kxf1 Kf3 119. Bb6 d4 120. Bxd4 Ke4
121. Bb6 Kd3 122. Bxa5 d5 123. Ke1 d4 124. a4 Kc4 125. Bd8 bxa4 1/2-1/2


Both playing engines agree that 21. Ne2 was the best response by white.
SF NNUE have another idea how to proceed:

1rb2rk1/3p1pp1/p3p1qp/1p2P3/8/1NN1B2R/PPP3P1/2KR1B2 w - - 0 21


21. Bf4 Qg4 22. Rd4 f5 23. Nd1

1rb2rk1/3p2p1/p3p2p/1p2Pp2/3R1Bq1/1N5R/PPP3P1/2KN1B2 b - - 1 23
Up Topic The Rybka Lounge / Computer Chess / Queen vs 3 minors.

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