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Boris Gelfand vs Shakhriyar Mamedyarov
4th FIDE Grand Prix (2009), Nalchik RUS, rd 11, Apr-27
Indian Game: Anti-Nimzo-Indian (E10)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Apr-27-09  ounos: Mamedyarov must be banging his head against the wall for losing this.
Apr-27-09  Marmot PFL: 56...Rc6 57 Rxh7 f4 58 gf+ Kxf4 59 Rh4+ and Rc4 wins, or 58...Kd8 59 Kb4 Rxc7 60 Rxc7 Kxc7 61 Kc5 and wins. Black could prolong matters with 59...Rc5 but white just brings his king to c8 and plays Rb6 winning easily so mamedyarov resigns.
Apr-27-09  notyetagm: 56 ♔c4-b3 1-0


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<Gypsy: <notyetagm: <Frankovich: At the risk of looking foolsh, I can't see why Mamedyarov should resign at that point. Can somebody enlighten me?> That was my thought, too: why did Shak resign? >

<Nothing to play for:

56...Rc1 57.Rxh7


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(1) 57...Kd6 58.Kb4 Rxc7 59.Rxc7 Kxc7 <<<60.Kc5..., with an easy K+P endgame win.>>>>

60 ♔b4-c5 nice <SHOULDER BLOCK>.


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<(2) 57...f4 58.gxf4 Kxf4 59.Rh4+ Ke5 <<<60.Rc4>>>... 1-0.>

60 ♖h4-c4 <BLOCKING> the Black c1-rook from defending the c8-promotion square of the c7-passer.


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Apr-27-09  muradov: Mamed and Radja should collaborate to improve their black and white plays, respectively!

Would be a good mix :)

Apr-27-09
Premium Chessgames Member
  Peligroso Patzer: Another try for Black in the final position that falls short is to go after the White g-pawn with his King, with the plan of sacrificing his Rook for the White c-pawn; for example: 56. ... Rc1 57. Rxh7 Ke4 58. Kb4 Kf3, which would bring about this position (with White to play his 59th):


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If White now carelessly played 59. Kb5?, then 59. ... Kxg3= (as each side's Rook will have to be sacrificed for the opposing passed pawn, but 59. Rg7 should be winning for White.

Apr-28-09
Premium Chessgames Member
  paavoh: GM Shipov's comments from the official site as follows: <"In every tournament someone loses a drawn rook ending. Even simple positions are often difficult to defend, when the player is tired and experiences time trouble. Mamedyarov defended well for quite a while, but then began to lose ground. His defense method 48…Rb3+ was too creative. A draw could be reached by the simple 48…Kxe5 49.Rxg7 Rb3+ 50.Kd2 (50.Ke2 Rc3!) 50…Kd5 51.Rxh7 Kxc5 52.Rf7 Kd4! Shakhriyar’s move allowed the opponent to keep the passed pawns. However, then it was Boris’ turn to err! Instead of 53.c6 he could win by 53.Rxg7 Rxh2 54.c6. And yet, the last man to make a mistake was Mamedyarov. Black could survive by 53…Rc2+! 54.Kb5 g5! – the passed f-pawn distracts the White’s rook. After he missed this chance, Gelfand finished the game by 56.Kb3! It turned out that taking the c7-pawn gets Black to a lost pawn ending.">
Apr-28-09
Premium Chessgames Member
  whiteshark: <42...e5> would have been a alternative move. I think it's very drawish thereafter.


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