Questions tagged [problems]

Chess problems consist of a board position and a task. Most ask for a line of play that mates black in a set amount of moves, or a combination that results in a winning position. Many other types exist, including, but not limited to, construction tasks for various positions and proof games that have numerous goals, selfmates, helpmates, and retrograde analysis. Tournaments and championships exist for composing of original problems and for speed-solving.

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Where are the non captured Black pieces?

[FEN "8/8/8/8/8/PP4PP/2PPPP2/NNBQKBRR w - - 0 1"] Here is a problem from my blog once more. This is the position after White's 14th move. Seven Black pieces were captured during the game ...
4
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0answers
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What does "control" mean in a chess problem?

When interpreting the instructions to a chess problem, is a piece automatically considered to "control" the square it's on, even if that square isn't threatened by any friendly piece, and an ...
3
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1answer
61 views

Two seriesmover stalemate constructions

Easy one: Starting position, but Black never moves. White makes n moves (no checking!) until Black is stalemated. Minimize n. Hint: You don't need to capture all Black pieces, pawns can also be ...
3
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Add as many potential moves as possible by move

8/8/7K/p7/R3b2k/6rP/4p3/4B1N1 w - - 0 1 This is an age old record by Shinkman: Black is stalemated if having the move, but the White move 1.Bb4 grants 32 moves. (Don't bother trying to top that...) ...
1
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0answers
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The quickest mutual selfmate in 1

How long would it take for a game to reach a position wherein either side could selfmate? Pretend you pass by the board at that moment; you wouldn't know who has the move. I found an answer in 13 ...