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Review title: Neat premise - the chess puzzle's solution is incorrect
Product review: Great concept - poor followthrough. But most importantly: the author got the chess problem (which the book centers around) WRONG! The board position shown could only be legally reached if the bishop's pawn (on A5) had taken the knight. It is a simple matter of transportation and pawn movement. The retrograde analysis given in the book is flawed. Kinda disappointing...
