ManyFaces shows less than 10% win rate for Zen in the final position (this is a 
short search on a 2-core machine, so the actual game search was probably 
bigger).

MF was confident of the win at move 36, but the current version prefers 36:E8 
and sacrifices the top white group.

Search for white in the final position:

Analyzed 314000 full games in 14.9 seconds, 21044 games/second.
6 MB free memory (of 249 MB available)

Principal variation:
 b e9 : Tried 141713 full games, and won  8.8%.
 w h2 : Tried 136643 full games, and won 91.9%.
 b a5 : Tried 57431 full games, and won  8.7%.
 w j7 : Tried 56799 full games, and won 91.6%.
 b f7 : Tried 12064 full games, and won  7.2%.
 w g4 : Tried 6599 full games, and won 95.6%.
 b b9 : Tried 1024 full games, and won  2.2%.
 w h5 : Tried 555 full games, and won 100.0%.
 b a4 : Tried 218 full games, and won  0.0%.
 w a3 : Tried 141 full games, and won 100.0%.
 b a6 : Tried 89 full games, and won  0.0%.
 w g8 : Tried 27 full games, and won 100.0%.
 b j1 : Tried 6 full games, and won  0.0%.
End of search, 13 ply PV.

> -----Original Message-----
> From: [email protected] [mailto:computer-go-
> [email protected]] On Behalf Of Aja
> Sent: Thursday, July 07, 2011 12:21 PM
> To: "Ingo Althöfer"; [email protected]
> Subject: Re: [Computer-go] Congratulations to Zen!
> 
> In the final position when Zen resigned, Erica shows 28% winning rate on
> 100,000 playouts.
> 
> Aja
> 
> -----????-----
> From: "Ingo Alth�fer"
> Sent: Friday, July 08, 2011 3:01 AM
> To: Aja ; [email protected]
> Subject: Re: [Computer-go] Congratulations to Zen!
> 
> "Aja" <[email protected]>
> > ManyFaces (White) still wins even if it loses the semeai but captures
> > the J4 group of 3 stones. And it's not possible for Black to save the
> > J4 group and win the semeai at the same time.
> 
> Yes, that is exactly what the experts in the forum found.
> 
> The question: Do the other bots see this as well,
> and how early in the game do they see this outcome?
> 
> Ingo.
> 
> --
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