Author: Tord Romstad
Date: 07:20:13 08/19/05
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On August 19, 2005 at 09:56:12, Jorge Pichard wrote: >Why are you saying that these positions created by ShredderFEN or X-FEN are NOT >Chess960 positions, and you refer to them as Shuffle chess? Yes. The difference between "Shuffle chess" and "FRC" is that Shuffle chess does not allow castling, except when the kings and rooks are placed on the usual places in the opening position. Your games are definitely Shuffle chess, not FRC. You can see this by observing that no castling ever takes place in the games, and also by looking at the FEN strings in your PGN files: >>[FEN "[D]bbqnnrkr/pppppppp/8/8/8/8/PPPPPPPP/BBQNNRKR w - -"] The first token after the letter "w" encodes the castling rights. When this token consists of just the single character "-", it means that there are no castling rights whatsoever in the initial position. In an FRC game, this "-" sign would have been replaced by "HFhf". Unfortunately I cannot tell you what you are doing wrong. The Shredder GUI works fine for playing FRC, and the castling rights are correctly encoded in the FEN strings when saving a game in PGN format. Tord
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