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Hikaru Nakamura vs Magnus Carlsen
Chess.com Speed Chess Championship (2017/18) (blitz), chess.com INT, rd 4, Jan-03
Sicilian Defense: Closed Variation. Traditional (B25)  ·  1/2-1/2
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-06-18  Albanius: This is an Accelerated Dragon by transposition, not a Closed Sicilian.

After 4 d4 cxd4 5 Nxd4 Bg7, it is a book Accelerated Dragon position.

Jan-12-18
Premium Chessgames Member
  zborris8: This is 1|1 Bullet.
Aug-10-18
Premium Chessgames Member
  g15713: Black to move at 69


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According to FinalGen, a chess endgame tablebase generator for Windows, one now knows this is a draw for Black. Those with Lomonosov Endgame Tablebases for 7 pieces can verify this.

69...Rd7 is an obvious first move however Black has to walk a tightrope from hereon. Both kings now head towards the queenside...

70. Kg4 Kf6? (70...Kf7! draws 71. Kf4 Ke8! and now if 72. Ke5 Re7+ 73. Kd4 Kd8 or 72. Ke4 Rh7 73. Kd4 Kd8)

Game continued:
71. Kf4 Ke7 72. Ke4 Kd8 73. Rd5 Kc7 74. Rxd7+ Kxd7

White to move at 75


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This a winning pawn ending for White according to Shredder

75. Kd5 Kc7 76. b5? (76. Kc5! wins)

76...Kd7 77. Ke5 Kc7 78. Ke6 Kc8 79. Ke7 Kc7

80. Ke8 Kc8 81. Ke7 Kc7 82. Ke6 Kc8 83. Kd5 Kd7

84. Kc4 Kc7 85. Kd4 Kc8 86. Kd5 Kc7 87. Kd4 Kc8

88. b6 Kb8 89. Kc5 Ka8 90. Kd6 Kb8 91. Kd7 Ka8

92. a6 Kb8 93. a7+ Ka8 94. Kc7 1/2-1/2

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#15 Black has to walk a tightrope (a- & b-pawns vs. b-pawn)
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