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 No colors known? (Posted on 2004-08-04)
A friend told me about a chess game he had seen. At certain moment, the only pieces on board were a Queen at h8, a Rook at g6, and the Kings at h6 and g8. He didn't remember what color was each piece, but it can be worked out... how?
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | K | Q | 8
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 7
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   | R | K | 6
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 5
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 4
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 3
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 2
+---+---+---+---+---+---+---+---+
|   |   |   |   |   |   |   |   | 1
+---+---+---+---+---+---+---+---+
a   b   c   d   e   f   g   h
If the Rook had been at g7, what would have been the colors?

 See The Solution Submitted by Federico Kereki Rating: 3.1429 (7 votes)

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 Solutions | Comment 6 of 16 |
Before the first position, the black King was at g8, the white King at h6, a white Rook at g6, a white Pawn at g7, and a Black Knight at h8. White played g7xh8=Q+.

Before the second position, the white King was at g8, the white Rook at g7, a white Pawn an h7, and the black King at h6. White played h8=Q+.
 Posted by e.g. on 2004-08-04 14:31:12

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