Chess Puzzle


White to play and win.  A very natty move.

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TimT
TimT
12 years ago

I stared and stared at this last night and went through as many possibilities as I could think of. It was only because my finger slipped and I went through to the game that I was finally able to see it. Maybe my subconscious decided that it’d had enough or something.

More chess problems, more!

Tony Harris
Tony Harris(@tony-harris)
12 years ago

My son suggested Bishop to G5.

Pappinbarra Fox
Pappinbarra Fox
12 years ago

I give in tell us please

Joshua Gans
Joshua Gans(@joshua-gans)
12 years ago

After about ten hours of analysis, trhe best I can do is this: White first shoos away the black bishop with his king, and then moves his queen to H5. He then has Black’s king on the run. But white can evade mate for quite some time, and there are endless permutations, so that’s probably not it.

But who cares what conclusions Farrell has reached? Anyone can click on the board and find the solution (Mr Fox, did you not read TimT’s comment?). The problem, dearest Nicholas, with supplying the link, is that it takes the social element (whether competitive or cooperative), out of the exercise, and with it about half the fun. We are left with a pointer to a puzzle, for purely private consumption.

Joshua Gans
Joshua Gans(@joshua-gans)
12 years ago

What a relief.

Just one more thing, and please forgive my lamentable ignorance of the conventions here. When you say ‘white to win’, does this mean I should be looking for a forced checkmate within a few moves? Or does it just that white can fundamentally strengthen its position — say, by gaining an advantage in captured pieces — in such a way that a good player would eventually win, after another twenty moves or so?

FDB
FDB
12 years ago

Bishop to E6?

Joshua Gans
Joshua Gans(@joshua-gans)
12 years ago

FDB, Black’s queen could then take the pawn and force an exchange of queens, which would throw the game open and probably lead to stalemate. White’s move has to forsetall this. I don’t think it can be done with the queen, so it effectively boils down to advancing the pawn to F6, or moving the bishop to B5.

Pappinbarra Fox
Pappinbarra Fox
12 years ago

Well the thing is I thought it meant white to win in ONE move. Also the link just doesn’t work on my machine. If I have more than one move to win then sure I can do that. No wukking furries mate.

John Quiggin
John Quiggin
12 years ago

It seems as if BH6, followed by the exchange of queens (necessary for black to avoid mate) and then BF3 wins a pawn, which with the two bishops ought to be a win for White.

But that doesn’t seem “natty” to me, so I’d go with Rafe’s son. There’s no obvious way for Black to stop either QH5 or PG6, and no obvious way out after that.