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[Bug-gnubg] G/BG rates [minor ?]
From: |
Massimiliano . Maini |
Subject: |
[Bug-gnubg] G/BG rates [minor ?] |
Date: |
Mon, 8 Sep 2003 12:16:09 +0200 |
Hi all,
I do the following :
- evaluate a position (anyone where market window make sense/is allowed)
- write down the static, 1 ply and 2 ply [Win, W(g), W(bg)] percentages
- open the "Market Window Analyzer" and try to see if the indicated gammon
and backgammon rates matches the ones you can compute manually
EXAMPLE :
This is the output of the Evaluation :
Position ID: 4HPiQSDgc/ABMA
Match ID: cAngAAAAAAAA
Evaluator: CONTACT
<SNIP ... SNIP>
Win W(g) W(bg) L(g) L(bg) Equity Cubeful
static: 48,46% 13,86% 0,41% 13,49% 0,72% -0,0304 -0,0458
1 ply: 50,32% 14,01% 0,50% 12,90% 0,48% +0,0186 +0,0232
2 ply: 48,58% 13,59% 0,44% 13,58% 0,63% -0,0305 -0,0436
Now I was expecting :
gammon rate (static) = 13.86/48.46 = 28.60%
gammon rate (1 ply) = 14.01/50.32 = 27.84%
gammon rate (2 ply) = 13.59/48.58 = 27.97%
But in the "Market Window Analyzer" GNUbg shows :
gammon rate (static) = 27.75%
gammon rate (1 ply) = 26.87%
gammon rate (2 ply) = 27.04%
Small (not so small in fact) differences exists for backgammon rates
too, no matter the ply and for both players. It's like GNUbg is not
using the data coming from the evaluation to "set up" the gammon
and backgammon rates ... any idea ?
MaX.
- [Bug-gnubg] G/BG rates [minor ?],
Massimiliano . Maini <=