Author: Andrea Griffini
Date: 14:13:47 07/15/03
A question about repeated positions... is the en-passant square part of the "position" even when no en-passant pawn capture is possible (because there is no capturing pawn, or because the theoretically capturing pawn is pinned on the file or because just the en-passant capture is "pinned") ? If this is not the case then checking for repeated positions gets way more annoying as my position hash code doesn't tell the whole story ... :( More concretely: 8/8/8/8/1R4pk/8/5P2/5K2 w - - 0 1 1. f4 Kh3 2. Ra4 Kh4 3. Rb4 Kh3 4. Ra4 Kh4 5. Rb4 Is this "5. Rb4" drawing by third repetition of the position occured on the board after "1. f4" or not ? Andrea
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