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Problem of the Week
200
9.05.03








Black to move and win

Need a hint?


Solution


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1...Rb1








Attempting to deflect the h1-rook from it's defense of the threatened mate on h2.

[Fritz 8: 1...Kf5 2.Rcc1 Re8 3.Rhe1 Ra8 4.Bb6 Rbxa7 5.Bxa7 Rxa7 6.Rxc6 1.47/15 ]

2.Be7+

Spite-check!

2...Kf5








No better is 2...Kh5 3.Rcc1 etc., as in the main line; or

if 2...Nf6 3.Bxf6+ Kf5 (Or 3...Kh5 works out for White the same way.) 4.Rcc1 etc., as in the main line.

In the diagrammed position White cannot stop the threatened mate on either h1 or h2, depending on what White actually plays.  The rook on h1 is overworked - it is both protecting the h2-square against checkmate, but also protecting the 1st rank, and that includes h1.  Just like Man, the rook can not serve two masters.

3.Rcc1

Merely delays the inevitable by a move.

3...Rxc1








And next is mate on either h1 or h2, again - depending on what White does.  What White can NOT do is protect against both threatened mates at the same time.

4.a8=Q Rxh1# 0-1


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