Forums -> Chess

Player: Philippines  LayZ StyleChessHere Silver Member Subject: Puzzle #4


2014-03-13 00:55:53
This is a study from a game by a world champion.


8/4kp2/4p1p1/P1p5/1pP3r1/3R4/1P1K1P2/8 w
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ABCDEFGH



White to move and win!
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2Philippines  LayZ StyleChessHere Silver Member2014-03-15 22:39:51
You got it extopian. Good work!-

3Philippines  LayZ StyleChessHere Silver Member2014-03-15 22:47:05
This is a game of Alexander Alekhine at Tidschrift v.d. KNSB, 1933.


8/4kp2/4p1p1/P1p5/1pP3r1/3R4/1P1K1P2/8 w
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ABCDEFGH



The solution was as stated by extopian.

1.a6
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4Philippines  LayZ StyleChessHere Silver Member2014-03-15 22:57:02
Oops! Accidentally pressed the Post Reply.


8/4kp2/P3p1p1/2p5/1pP3r1/3R4/1P1K1P2/8 w
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ABCDEFGH



1...Rh4


8/4kp2/P3p1p1/2p5/1pP4r/3R4/1P1K1P2/8 w
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ABCDEFGH



2.Rd8!


3R4/4kp2/P3p1p1/2p5/1pP4r/8/1P1K1P2/8 w
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ABCDEFGH



2...Kxd8
The king has no choice but to block the back rank, with the result that the black rook cannot prevent the a-pawn from slipping through.


3k4/5p2/P3p1p1/2p5/1pP4r/8/1P1K1P2/8 w
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ABCDEFGH



3.a7
White wins.


3k4/P4p2/4p1p1/2p5/1pP4r/8/1P1K1P2/8 w
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ABCDEFGH



If after 1...Rg1


8/4kp2/P3p1p1/2p5/1pP5/3R4/1P1K1P2/6r1 w
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ABCDEFGH



2.a7


8/P3kp2/4p1p1/2p5/1pP5/3R4/1P1K1P2/6r1 w
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ABCDEFGH



2...Ra1


8/P3kp2/4p1p1/2p5/1pP5/3R4/1P1K1P2/r7 w
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ABCDEFGH



3.Ra3! blocks the rook.


8/P3kp2/4p1p1/2p5/1pP5/R7/1P1K1P2/r7 w
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ABCDEFGH



3...bxa3


8/P3kp2/4p1p1/2p5/2P5/p7/1P1K1P2/r7 w
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ABCDEFGH



4.a8Q


Q7/4kp2/4p1p1/2p5/2P5/p7/1P1K1P2/r7 w
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ABCDEFGH



4...axb2


Q7/4kp2/4p1p1/2p5/2P5/8/1p1K1P2/r7 w
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ABCDEFGH



5.Qb7+ is the end.


8/1Q2kp2/4p1p1/2p5/2P5/8/1p1K1P2/r7 w
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ABCDEFGH

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