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Generate random chess position: Difference between revisions
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:* the kings must not be placed on adjacent squares;
:* there can not be any pawn in the promotion square (no white pawn in the eighth rank, and no black pawn in the first rank);
:* including the kings, up to 32 pieces of either color can be placed
:* There is no requirement for material balance between sides.
:* The picking of pieces does not have to comply to a regular chess set --- there can be five knights, twenty rooks, whatever ... as long as the total number of pieces do not exceed thirty-two.
:* it is white's turn.
:* It's assumed that both sides have lost castling rights and that there is no possibility for ''en passant'' (the FEN should thus end in <tt>w - - 0 1</tt>).
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