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Nadezhda Kosintseva vs Yifan Hou
Corus Group C (2007), Wijk aan Zee NED, rd 1, Jan-13
French Defense: Steinitz. Boleslavsky Variation (C11)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-14-07  dehanne: What a very amusing quietus : Qc1!
Jan-14-07  syracrophy: What a beautiful move 39...♕c1!!. now if 40.♖xc1 ♖xc1#.

now the threats are 40...♕xb2+!! 41.♖xb2 ♖c1+ 42.♖b1 ♖xb1#

And the second threat is 40...♕xb1+!! 41.♔xb1 ♖c4+ 42.♔a1 ♖c1#

The only good way to stop these threats is 40.♕g1 ♕xg1 41.♖xg1 ♖xh2 with an easily won ending, since now the white ♖ can't abandon the first rank because of ...♖h1+ mating

Aug-09-08  notyetagm: Black to play: 39 ... ?


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39 ... ♕g5-c1! 0-1


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<syracrophy: What a beautiful move 39...Qc1!!. now if 40.Rxc1 Rxc1#.


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now the threats are 40...Qxb2+!! 41.Rxb2 Rc1+ 42.Rb1 Rxb1#


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And the second threat is 40...Qxb1+!! 41.Kxb1 Rc4+ 42.Ka1 Rc1#


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The only good way to stop these threats is 40.Qg1 Qxg1 41.Rxg1 Rxh2


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with an easily won ending, since now the white ♖ can't abandon the first rank because of ...Rh1+ mating>

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