# chess online

## CHESS TACTICS #105895

 Problem's rating: 1643 Avg. time to solve: 01:24 Total attempts: 181 Solved percentage: 63.0%
From Comment
terzaghi
29-Jan-12, 16:03

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1 ... Qxd1
2 Rxg7+ Kh8

it's checkmate for any move of white rook in g row, isn't it??? am i wrong?
constanteanul
29-Jan-12, 20:49

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It's a stupid solution. After Rxg7, Kh8 if the rook stays on g line the only move to prevent mate is Qd4, then Bd4, mate. Why bother to move and gain advantage by gathering pieces in your pocket????
 breakerofwind29-Jan-12, 21:14

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I don't think it is a stupid solution and Qd4 is not the only move to prevent mate. The reason for 3. Rxf7 is to prevent the f pawn from blocking at f6. For example,

2.Rxg7+ Kh8
3.Rg4+ f6

White must now take the queen which gives Black time to play Bb7, connecting his rooks and thwarting the mate.
terzaghi
30-Jan-12, 01:35

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@constanteanul

dear friend,
my stupid solution and your clever solution are same. Of course after

1. Rxg7+ Kh8
2. Kh8 Rg3+, Rg4+, Rg5+, Rg6+

it's only the way to prevent mate by moving queen to d4. But just like you said, it's a checkmate finally.

3. Qd4 Bxd4#

After Kh8, moves of rook in g3 to g6 must be the correct moves. But when I tried, I warned that I made wrong moves.
terzaghi
30-Jan-12, 01:44

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@breakerofwind

You're right, after rg3+, rg4+, rg5+ or rg6+ mate can be prevented by moving the pawn to f6.
And, preventing move of the pawn to f6 is the way to checkmate.

Thank you.
constanteanul
30-Jan-12, 03:26

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@terzaghi

"The stupid solution" seemed to be the solution proposed, not your's. Anyway, it was a mistake, i didn't took into consideration the pawn.
terzaghi
30-Jan-12, 09:43

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anyway,
thank you for your attention, friends.

good luck!
reddakcalb
17-Aug-12, 15:05

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Wouldn't ...3Rxf7 be better removing the pawn so it can't block the check
 amacivn17-Aug-12, 15:50

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@reddakcalb
3Rxf7+ is the solution
was that a typo?