CHESS PUZZLE, FEN 2k1r1n1/1pp2p1p/p4Q2/5b2/2qP4/2P1B3/Pb3PPP/R3K1R1 b - -

Added by:fizzixisfun
Added on:16-Jun-08
Description:
Difficulty:
chess puzzle 2k1r1n1/1pp2p1p/p4Q2/5b2/2qP4/2P1B3/Pb3PPP/R3K1R1 b - -
Attempts:1652
Solved:1388 (84%)
Black to move, mate in 3
Comments: (8) » LastGo to last comment
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shardik
13-Aug-12, 02:34

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The Rook is distracting
I found this easy because you know it's a puzzle so Ba1 is too obvious, but I think it would be easy to miss in game play and Ba1 would be rather tempting. I'd be interestd to know what move the fizzixisfun did make.
staimless
13-Aug-12, 03:48

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there is another solution - the black queen takes the pawn on c3 with check, now there are three responses of the white player:king on f1, king on e2, king on d1. if king on f1, then black bishop on d3 with mate in two moves. if king on d1 then the black player moves the queen on d3, the only defence is bishop on d2 and then the black queen is winning the game with mate in three on c2. the third possibility is black queen on c3 - white king on e2, black bishop on g4- then either white king on f1, black queen on d3, white king on e1, black queen on e2(mate in 4), or white pawn on f3, black queen on e4- white king on the two white squares f1 or d1, black queen proclaims mate in four moves with the move on e2.
hcajg77
13-Aug-12, 08:01

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staimless
If you think there is another solution, click on the another solution button on the puzzle.
tdurran
13-Aug-12, 08:48

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@Staimless: That's not a solution to the problem.
Even in your solution you point out that one of the paths is a mate in 4. The problem is to find mate in three against any response.
phonybenoni
13-Aug-12, 09:16

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The rook must be very distracting to draw attention away from 1...Nxf6.

But there is an important question here: when should you attack, and when should you cash in for material gain? Often, as here, the positions of the pieces can make the decision for you, even without calculating variations.

Black's queen is in position to attack, and both of black's bishops are aimed that way as well. White's only defensive piece is the pinned bishop on e3, the light squares around the king are very weak, while both rooks and the queen cannot help out quickly. With those facts in mind, Black can count on good chances to overwhelm White's king, and should start looking for hecks and other forcing moves.

Now, reverse the positions of the queens: WQ on c4, BQ on f6. White's queen is better placed for defense, Black's queen is not threatening anything, and Black has no decent checks. It takes no calculation to realize this is the time to grab the rook and go a piece ahead instead of wasting time searching for a mate.

These little shortcuts for assessing the position save a lot of time and effort in finding the proper plan. Of course, matters are not always as clear-cut as this example, but as with anything practice develops skill.



edbuckner1797
13-Aug-12, 12:10

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Rockgod... is right--easy puzzle but maybe not so easy in a game.
blackmonkey
13-Aug-12, 20:11

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damn. i would never miss this in a game at this point in my career.
hcajg77
15-Aug-12, 09:08

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phonybenoni
Thank you for that explanation. That will help me in games rather than spending forever looking for a mate.
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