Author: Marc Bourzutschky
Date: 13:07:47 03/08/04
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On March 08, 2004 at 13:46:44, Tord Romstad wrote: > > >In hexagonal chess, there is an interesting complication caused by the >fact that there are actually two kinds of wins: When a player is mated, >the result is 1-0, like in normal chess. But when the game ends in >stalemate, the result is 3/4-1/4. > >Apart from this, the only difference compared to normal chess is the >shape of the board and the movement of the pieces. > The different stalemate status is not hard to implement. You run the generator twice, where on the first run you resolve wins/losses, and on the 2nd run you resolve stalemates/draws. With 91 squares on the hexagonal board, 5-piece endgames are comparable to 6-piece endgames on a 8x8 board and will thus be the limit of what is reasonably doable today. Once you have a move generator and a reasonably efficient way of indexing positions building a tablebase generator should be pretty straightforward. -Marc
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