Chess problem
Six chess knights are on a 3x3 board, as pictured. Find a sequence of legal chess knight moves that end up with the diagram reversed, (i.e. the black knights on the bottom and the white knights on the top).

An Early Chess Problem!

Early Chess problem
White, mate in 3
(Dickins & Ebert: 100 Classics of the Chessboard, 1983)
Repeated: Jorgensen vs. Sorensen, Storkovenhagen, Denmark, 1945
(Nottingham, Lawrence & Wade, Winning Chess: Tactics & Strategies, 1999)

Chess Problem of the Day

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Chess Problem

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