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Vassily Ivanchuk vs Alexander Morozevich
XXII Magistral Ciudad de Leon (2009) (rapid), Leon ESP, rd 1, Jun-05
Queen's Gambit Declined: Ragozin Defense (D38)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Jun-05-09  Bobsterman3000: 43. f5+ nice!!
Jun-05-09  wanabe2000: 45.Rc8! seals the deal. It's mate on h8 or the pawn queens on a8. This win, and the three subsequent draws, propels Ivanchuk into the next round.
Jun-05-09  Kinghunt: 45. ? would make a good Monday puzzle.
Jun-06-09  notyetagm: <Kinghunt: 45. ? would make a good Monday puzzle.>

45 ?


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45 ♖c7-c8! 1-0 <double attack: a8,h8>


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White's winning 45 ♖c7-c8! is a textbook example of a <DOUBLE ATTACK> against two <LOOSE> <SQUARES>, the 1-1 <LOOSE> a8-promotion square and the <UNDEFENDED> h8-mating square.

Black cannot deal with the twin threats of 46 ♖c8-h8# and 46 a7-a8=♕ and so resigns.

Jun-06-09  Whitehat1963: What's the best reply to 44. f4 Is there a suitable reply?
Jun-06-09
Premium Chessgames Member
  Peligroso Patzer: <Whitehat1963: What's the best reply to 44. f4 Is there a suitable reply?>

It seems that Black was already lost by move 44. For example: 44...g5 [44...Kh7 45.g5 fxg5 46.fxg5 Nd6 47.f6 ] 45.fxg6 Kxg6 46.g5 h4 [46...fxg5 47.Rxc6+! and White will have the material advantage of Queen vs. Rook (plus a Knight and several pawns on each side)] 47.Kf3 h3 48.Kg4 Nd6 49.e4 dxe4 50.Ne3 .

Jun-06-09
Premium Chessgames Member
  Peligroso Patzer: The way that Black's King was "cornered" on the side of the board by a cluster of pawns (including some pawns of his own color) could not help but remind me of the following recent game (which, I am sure, Ivanchuk has not forgotten) in which something similar happened to the White King: Ivanchuk vs Wang Yue, 2009.
Jun-06-09  totololo: I can't understand how a tactician as good as Moro can be traped like a schoolboy ? it was evident that this was the only solution for white as the ending was lost .... to find a mat on the board or to promote to Queen.... and Moro entered .... I CAN"T BELIEVE IT!
Jun-09-09  dhotts: Why can't Black simply go 32...Rxa6?
Dec-25-09  notyetagm: 45 ♖c7-c8! 1-0 Δ ♖c8-h8#, a7-a8=♕ <double attack: a8,h8>


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<wanabe2000: 45.Rc8! seals the deal. It's mate on h8 or the pawn queens on a8. >

Yes, Ivanchuk's 45 ♖c7-c8! is a <DOUBLE ATTACK> against two <SQUARES>, the a8-promotion square and the h8-mating square.

Dec-04-10  Poisonpawns: 41..h5 good for Moro here I think.
Dec-04-10
Premium Chessgames Member
  Sastre: <dhotts: Why can't Black simply go 32...Rxa6?> Black loses a pawn after 32...Rxa6 33.Rxa6 bxa6 34.Rxc6 Ne4 35.Rxa6.
Apr-19-11  notyetagm: Game Collection: SQUARE CAN BE A TACTICAL TARGET

Ivanchuk vs Morozevich, 2009 45 Rc7-c8! forks the two loose a8-promotion,h8-mating squares

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