Author: Tord Romstad
Date: 04:32:57 03/04/06
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On March 04, 2006 at 07:10:39, Reinhard Scharnagl wrote: >On March 04, 2006 at 06:47:23, Tord Romstad wrote: > >>On March 04, 2006 at 06:29:33, Reinhard Scharnagl wrote: >> >>>Shuffle Chess is no superset to traditional chess, because it does not support >>>castlings. >> >>Are you sure? I thought it did allow castlings, but only when the kings >>and rooks start out at the same positions as in normal chess. I apologize >>if I was wrong about this. > >Please show me a definition of its castling procedure, I never have seen one. I thought the castling procedure was exactly like in normal chess. As I said, I could be wrong. I don't care much either way, really. >>I don't see why this subset/superset stuff has any interest except >>when writing a computer program, though. I also don't understand how >>anyone can consider FRC not to be a chess variant. > >Normally chess variants define distinct games. Chess960 is a superset to chess. >It includes traditional chess. So how could it be a variant to a part of itself? Again: The rules are similar, but not identical, hence they are two different variants. That one of them happens to be a mathematical superset of the other has no relevance at all, in my opinion. In fact I have never been able to understand why you think the subset/superset relation is interesting with regard to abstract board games. I also don't understand why we are discussing this at all. It has very little to do with Swaminathan's question, and no more with my reply. Swaminathan asked whether shuffle chess would be better than FRC when testing engines, and I simply replied that the two games are different, and that he should just test whatever he thinks is more fun or interesting. By the way, since we are discussing chess variants: If you add hexagonal chess support to your GUI, I shall happily try to add support for your protocol to my engine. :-) Tord
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