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1 vote

Are all moves or types of moves (see details) in chess possible?

Since no one has answered yet, I will try some simple analysis first. Let's first make sure all vanilla moves/move types are possible without considering ways for the game to end. In the data, all ...
alices_and_bobs's user avatar
20 votes
Accepted

What's the maximum amount of material that a puzzle with unique solution can have?

This must be the maximum for an illegal position (adapted from David's attempt): [Title "_David_, v. NDE: White to move and win"] [FEN "qqqqqqqq/qkqQqqqq/qqqQqqqq/qQQQqqqq/qqqqQqqq/...
Noam D. Elkies's user avatar
7 votes

What's the maximum amount of material that a puzzle with unique solution can have?

There's no reason you can't have all the material on the board with all pawns promoted to queens, for maximum material. For example: White to move, mate in 1, everything but the mating move loses. [...
D M's user avatar
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0 votes

What's the maximum amount of material that a puzzle with unique solution can have?

White: queens on g1, g2 and h2. King on h1 Black: bishops on g3 and h4, king on g4 and a queen on all the remaining squares of the board but h3. White to move and mate in 1
David's user avatar
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