Author: Charles Roberson
Date: 06:10:47 02/23/06
Since I see others (Stuart) working on perft, I'll release a position that is helping me find a bug. 7k/8/8/8/1p6/8/PP6/6K w - - 0 0 Here are the results Depth Hand Calculation Telepath 1 6 6 2 31 31 3 319 1288 Either my hand calculations are wrong or Telepath has a bug in the EP code. The numbers represent the sum of all the nodes in the tree for that depth. Thus, the 6 root nodes are counted in the 2 ply and 3 ply counts. Given that some do not count the nodes that way subtraction should do the trick with the depth counts being 6, 25 and 287 respectively. I'd like to see somebody post perft results on this position for as many depths as possible assuming they think their engine produces correct results.
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