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White to mate in 1

White to mate in 1

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White to move and mate in 1 from a 9th Century chess puzzle by the Grandmaster Al Adli.

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Originally posted by Freddie2006
White to move and mate in 1 from a 9th Century chess puzzle by the Grandmaster Al Adli.

[fen]3K4/8/2rkb3/Nq1p4/5P2/8/8/8 w - - 0 1[/fen]
errr....How?

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Nb7, provided that the queen is a 9th Century queen who can only go 1 square.

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Originally posted by DeepThought
Nb7, provided that the queen is a 9th Century queen who can only go 1 square.
ahh....that would explain it.

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Originally posted by DeepThought
Nb7, provided that the queen is a 9th Century queen who can only go 1 square.
Incomplete explanation, but correct move.

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Originally posted by DeepThought
Nb7, provided that the queen is a 9th Century queen who can only go 1 square.
Actually I think it's more that in that era a stalemate was a loss for the person forcing the stalemate. Hence Nb7+, Qxb7 and white wins.

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Originally posted by zebano
Actually I think it's more that in that era a stalemate was a loss for the person forcing the stalemate. Hence Nb7+, Qxb7 and white wins.
Really?

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Originally posted by zebano
Actually I think it's more that in that era a stalemate was a loss for the person forcing the stalemate. Hence Nb7+, Qxb7 and white wins.
too bad Qxb7 does not result stalemate...

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Originally posted by Freddie2006
Incomplete explanation, but correct move.
The Queen used to be the Counselor, and moved only one diagonal square at a time.

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Originally posted by zebano
Actually I think it's more that in that era a stalemate was a loss for the person forcing the stalemate. Hence Nb7+, Qxb7 and white wins.
I think you have it backwards-- stalemate was a win for the person forcing the stalemate.


Edit: this page has a summary of old chess rules: http://chess.eusa.ed.ac.uk/Chess/Trivia/OldRules.html (can't vouch for its accuracy).

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Originally posted by Freddie2006
White to move and mate in 1 from a 9th Century chess puzzle by the Grandmaster Al Adli.

[fen]3K4/8/2rkb3/Nq1p4/5P2/8/8/8 w - - 0 1[/fen]
I take it Grandmaster Al Adli didn't live in the 9th century...

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Originally posted by zebano
Actually I think it's more that in that era a stalemate was a loss for the person forcing the stalemate. Hence Nb7+, Qxb7 and white wins.
white does have a pawn to move....