[Retros] Diagram be repeated

[TregerYefim at aol.com]

Answer to your problem (part 1)=24 (for the represented position).
Reasoning: Position=Diagram+ Castling (one from 16 combinations:KkQq)+ En 
Passant +Turn to move (W or B);
Diagram changes 5 times caused by castling rights; 1 one time changes from 
e.p. All of this
two times more (turn to move) and two times more (repetitions) giving:
(5+1)*2*2=24 
Yefim


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