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From: | bar tomas |
Subject: | Re: [Bug-gnubg] Different results for Hint function |
Date: | Fri, 18 Jan 2008 19:09:24 +0100 |
Hi,
thanks very much for your reply. I've attached to this email an example of a match (in tmg format) in which I observed the incident I mentioned. Before starting this test I reinstalled gnubg, so there would be no customized saved settings. These are the exact steps I took:
TEST 1
- Start Gnubg (GUI version)
- I set evaluation and analysis parameters to 'world class', by:
Settings/Analysis/Chequer play 'world
class'
Settings/Analysis/Cube decisions 'world
class'
Settings/Evaluation/Chequer play 'world
class'
Settings/Evaluation/Cube decisions
'world class'
- I imported the tmg match (file test.tmg attached to this email).
- In the navigator panel which contains all the moves of the game (at the right of the GUI) I selected the 12th move of player 'p1' in game 1:
move : 21/15
dice : 51
position ID : hbcdAFC2bUgKBA
match ID : cImmAAAAAAAA
When selecting this move, I press the Hint button and, this move is ranked 7th (with MWC 60.33%)
TEST 2
-Start Gnubg (GUI version)
- I set evaluation and analysis parameters to 'world class', by:
Settings/Analysis/Chequer play 'world
class'
Settings/Analysis/Cube decisions 'world
class'
Settings/Evaluation/Chequer play 'world
class'
Settings/Evaluation/Cube decisions
'world class'
- I start a new match and enter the position ID hbcdAFC2bUgKBA and the match ID cImmAAAAAAAA.
- I press the Hint button but the move 21/15 is ranked 9th (with MWC 61.33%)
TEST 3
- Start Gnubg (CLI version)
- I set evaluation and analysis parameters to 'world class', by the following commands (maybe some unnecessary because default):
set evaluation chequerplay type
evaluation
set evaluation chequerplay evaluation
plies 2
set evaluation chequerplay evaluation
cubeful on
set evaluation chequerplay evaluation
prune on
set evaluation movefilter 1 0 0 8
0.160000
set evaluation movefilter 2 0 0 8
0.160000
set evaluation movefilter 2 1 -1 0
0.000000
set evaluation movefilter 3 0 0 8
0.160000
set evaluation movefilter 3 1 -1 0
0.000000
set evaluation movefilter 3 2 0 2
0.040000
set evaluation movefilter 4 0 0 8
0.160000
set evaluation movefilter 4 1 -1 0
0.000000
set evaluation movefilter 4 2 0 2
0.040000
set evaluation movefilter 4 3 -1 0
0.000000
set evaluation cubedecision type
evaluation
set evaluation cubedecision evaluation
plies 2
set evaluation cubedecision eval prune
on
set analysis chequerplay type
evaluation
set analysis chequerplay eval plies 2
set analysis chequerplay evaluation
cubeful on
set analysis chequerplay evaluation
prune on
set analysis movefilter 1 0 0 8
0.160000
set analysis movefilter 2 0 0 8
0.160000
set analysis movefilter 2 1 -1 0
0.000000
set analysis movefilter 3 0 0 8
0.160000
set analysis movefilter 3 1 -1 0
0.000000
set analysis movefilter 3 2 0 2
0.040000
set analysis movefilter 4 0 0 8
0.160000
set analysis movefilter 4 1 -1 0
0.000000
set analysis movefilter 4 2 0 2
0.040000
set analysis movefilter 4 3 -1 0
0.000000
set analysis cubedecision type
evaluation
set analysis cubedecision evaluation
plies 2
set analysis cubedecision eval prune on
-Then I entered positionId and matchID:
set matchid cIlmAAAAAAAA
set board hbcdAFC2bUgKBA
- Then when I ask for a hint:
hint 15
In this case, the move 21/15 is ranked 12th with MWC 66.09%
Thankyou very much if you have an idea
why I get different scores for the same move with apparently the same
evaluation settings.
tomas
If you could create a reproducible example it would make things a lot easier for us to track down.
Christian.On Jan 18, 2008 12:58 PM, bar tomas < address@hidden> wrote:Hi,_______________________________________________
When using Gnubg, sometimes I get slightly different results when using the 'Hint' button.
What I mean is if I load a match I have already played, and select a move (in the right hand panel) and ask for a Hint, sometimes the result is not the same as if I create a new match and enter the match id and the position id for that move (in the text boxes at the top of the screen), and then ask for a Hint. The differences aren't huge, for instance one of my moves might be ranked 4th in a Hint when selecting a move of a loaded match. And then the same move is ranked 6th when entering the match id and position id of the move in a new match.
I have exactly the same settings for analysis and evaluation (2-ply). I have checked every setting in the .gnubgautorc file (movefilter, etc) and they are identical for analysis and evaluation.
Is there anything else I could set in order to get the same result for Hint used in both modes.
Thank you very much.
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