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[Bug-gnubg] Cubeless equities with Jacoby revisisted

From: Robert-Jan Veldhuizen
Subject: [Bug-gnubg] Cubeless equities with Jacoby revisisted
Date: Sun, 20 Oct 2002 19:27:32 +0200

At 06:37 10/20/2002 -0400, you wrote:\

 2-ply cubeless equity  +0.211
 0.606 0.382 0.142 - 0.394 0.010 0.000

 (2 * 0.606) - 1.0 = 0.211

That's why! The discussion should be: Do we want it like this when
the Jacoby rule is enabeled?

I'd definitely say: No! (again).

It makes no sense, practically speaking, not to include gammons in the cubeless equity. The cube will almost always get turned later, and if it doesn't (very rare with good play), scoring a gammon which won't count because of the Jacoby rule is almost impossible, with any kind of decent play.

I can't see any use for a cubeless equity that does not count gammons, like GNUBG does. I'd appreciate it very much if this gets changed, it would also make it easier to compare with all other bots.

Robert-Jan (Zorba on FIBS)

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