Queen ChessQueen Chess: start with the region that has the fewest choices
A region-first method for Queen Chess: track candidates, combine row and column constraints, and avoid committing to an unconstrained square.
Read guidePlace your queens with care. Solve colourful logic boards where no two queens can stand in each other’s way.
YOUR COMPANION Cleo the Queen
There is room for every queen, if you find the right arrangement. Read the coloured regions and reason across rows, columns, and diagonals to place queens without conflict.
Read the board’s coloured regions.
Place queens while checking rows, columns, and diagonals.
Find an arrangement with no queens in conflict.
Queen ChessA region-first method for Queen Chess: track candidates, combine row and column constraints, and avoid committing to an unconstrained square.
Read guide
Queen ChessLearn to distinguish a difficult-looking Queen Chess arrangement from a proven contradiction using empty regions and exhausted candidate sets.
Read guideA puzzle idea, a question, or just a hello. I’d love to hear from you.