Re: [Bug-gnubg] Re: Beaver bug

[Joern Thyssen]

On Wed, Jul 30, 2003 at 11:49:40PM -0400, Christopher D. Yep wrote
> To answer my own bug report, I forgot that beavers may be dropped.  gnubg 
> is actually giving correct interpretations of its 0-ply, 2-ply, and 4-ply 
> evaluations.  At 0-ply, 2-ply, and 4-ply, O is actually *too good* to 
> beaver since the reported normalized equities for redouble/take (4.297, 
> 4.237, and 4.107 respectively) are > 2.000.  If O mistakenly beavers, X 
> should pass the beaver, giving up only 2 times the original cube value.

Exactly.

Originally this was a bug in gnubg, so you could double yourself out of
a backgammon.

Jørn