Author: Albert Bertilsson
Date: 05:27:02 01/24/03
Hello! I've heard much about 0x88 board and the basic idéa is that all moves can be determined to be on board or not with the AND 0x88 operation. This seems rather nice, but the cost is that all mappings to lookuptables that was indexed 0-63 needs to be 0-127 instead (otherwise the square number needs to be converted down to 0-63 range (which is not for free). So basically all tables that was 0-63 now are 0-127 a factor two in size, and for tables indexed with from and to, size is multipled by 4. Is it worth using 0x88 boards? The added size of all tables will decrease the chance of cache-hits. /Regards Albert Bertilsson
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