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Explore 20 panoramic chess galleries, solve puzzles, and play together.

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Visit every square exactly once using legal knight moves.

0 / 64Reward: 64 points

Place 8 queens on the 8 by 8 board so no two queens share a row, column, or diagonal. Reward: 20 points.

Eight Queens

Place 8 queens so none attack.

No shared row, column, or diagonal.

Reward: 20 points

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