[Bug-gnubg] Bug in gnubg pubeval code

2019-01-26 Thread Robert Edgar
Philippe, Many thanks again for being so helpful and quick to respond. I think there is a bug in your pubEvalVal() function in gnubg-nn/gnubg/eval.c as explained in the attached PDF. If there are men on the bar, these are not subtracted from the number of men off and the total number of check

[Bug-gnubg] Gnubg pubeval score

2019-01-22 Thread Robert Edgar
Can anyone confirm the score of a recent version of gnubg vs. pubeval? I hacked the source and found that gnubg v1.06 averaged +1.1ppg (82% wins) over 10k games, but a recent paper Papahristou & Refanidis (2017) quotes +0.60 ppg which is only marginally better than TD-Gammon (+0.59). My number