Chessprint
July 19, 2009
  
 
 
White mates in two
[FEN "7n/4R1R1/5k1p/5P2/6QK/1b6/2n5/8 w - -
0 1"]
Solution
[Index of Chessprints]
Position of the Week: Solution
<TOP>
Today's position is taken from FIDE Master of Chess Composition Peter
Wong's latest article:
Zagoruiko. For more visit
Peter's
Problem World!
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In Problem 73, the thematic
defences are 1?Ng6+ and 1?Be6. As already arranged in the
diagram, 1?Ng6+ allows 2.Qxg6, and 1?Be6 allows 2.Rxe6.
The try 1.Qf4? (threat: 2.Qe5) abandons these set mates and
changes the play to 1?Ng6+ 2.fxg6 and 1?Be6 2.fxe6. But 1?Nf7!
refutes the try.
The key 1.Qe4! (2.Qe5) also disrupts the set play, and
substitutes yet another pair of mates, 1?Ng6+ 2.Rxg6 and 1?Be6
2.Qxe6. (Or 1?Nf7 2.Rg6.) The three parts are unified by the
recurring white captures on g6 and e6 by different pieces.
This example shows the Zagoruiko in its basic 3x2 form: 3
phases (1 set + 1 try + 1 actual) x 2 defences. |
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