Hi, I tested Crazy Stone's Japanese scoring over this database of games. I wonder about one of them (attached), 003_006.sgf. Shouldn't L17 be dame ?
003_006.sgf
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BTW, I also tested my Japanese scoring in games against GNU. I found a few bugs of GNU in this process. I attached one such game. In the final position I get (with GNU 3.8): final_status_list dame = T19 T17 K15 O14 B12 N12 S12 T11 T8 S7 S5 P1
japanese-test-7.sgf
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Crazy Stone is probably wrong, too, because there are some complicated things happening around S6. I would say S6 is dame, not S7 and S5. B12 and P1 look like really weird dame, though. So do K15 and N12. The right-side of the board is complicated, but the rest should be obvious for GNU. Unless I am mistaken... I can send more, if GNU people are interested. Rémi On 30 nov. 2010, at 00:24, Gunnar Farnebäck wrote: > On 11/28/10 10:15, Dave Dyer wrote: >> At 10:39 PM 11/27/2010, David Fotland wrote: >>> Accurate scoring, even at the end of a game, is very difficult. You have to >>> read accurately, and evaluate semeai and seki. >> >> Yup. I spent years developing the capability to score endgames >> at the point where humans typically leave them. Getting within >> a few points of correct 95% of the time is achievable. The other >> 5% you will either make whopper mistakes or never terminate. >> >> This is now pretty old, but I don't know of any more recent or better >> results. http://www.andromeda.com/people/ddyer/go/scoring-games.html > > On that testset GNU Go 3.8 finds the correct score in 85.6% of the > cases, is off by at most one point in 98.2% and within 3 points in > 99.4%. > > And well, it can be argued whether humans in general (as opposed to go > pros) consider the game finished and ready to be scored with open kos > remaining. > > /Gunnar > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
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