World Draughts Forum

I wrote a 64-bit move generator for the game of American Checkers that has been confirmed to be correct by Ed Gilbert and Aart Bik. I know it sounds strange to talk about 64 bits for a game with 32 squares, but take a look at this layout: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX...

If you are lost in debugging a move generator with perft, an obvious but useful "trick" that is already used widely for chess is to breakdown perft(d) per move. At this time I would like to thank Aart for his help in debugging my 64-bit checkers move generator. Just so everyone knows, Aart and I ag...