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Quickest Mate #6

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BigDoggProblem

Find the fastest legal game ending in discovered mate via N promotion. The promoted N must not give check in the final position.

shoopi

This was very hard!

A unique move order. Possibly a unique solution?...

BigDoggProblem
shoopi wrote:

This was very hard!

 

A unique move order. Possibly a unique solution?...

That's the scheme I was going for, but with wQ on d8 and I was trying in vain to get rid of Pd7.

Euclide says no dice on the unique solution.



shoopi

Right, black's f6 move is unnecessary, oopsie.

Phrostbyte

Nice job!!! I could'nt do that!!

Alotan

Here is a lateral solution: 1 e4 f5 2 e5 Nf6 3 ef6 e5 4 Qg4 Bd6 5 f7 Ke7 6 Qg7 Re8 7 f8N

shoopi
Alotan wrote:

Here is a lateral solution: 1 e4 f5 2 e5 Nf6 3 ef6 e5 4 Qg4 Bd6 5 f7 Ke7 6 Qg7 Re8 7 f8N

Great find!