Retrograde Analysis
Chess Problems

by Leo Mano

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 has never moved. Where is the doubtful white ? g4, h4, g5 or h5?


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(p)2000-2001 by Leo Mano. Rio de Janeiro - RJ, Brazil.