(3x3) 4k3 - 2p1p3 - 8 - 8 - 8 - 8 - 1P1P4 - 4K3
Monochromatic. No piece has ever moved from a white square
to a black square and vice versa. The white 
has never moved.
Where is the doubtful white 
? g4, h4, g5 or h5?
Retrograde Analysis
Chess Problems
by Leo Mano
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| AR12 - Leo Mano (3x3) 4k3 - 2p1p3 - 8 - 8 - 8 - 8 - 1P1P4 - 4K3 Monochromatic. No piece has ever moved from a white square
to a black square and vice versa. The white
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| (p)2000-2001 by Leo Mano. Rio de Janeiro - RJ, Brazil. |