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From: | Neil Robins |
Subject: | [Bug-gnubg] Analysis changing the game record and producing garbage |
Date: | Tue, 6 Oct 2009 09:40:04 +0100 |
I have analysed several matches at 4-ply using the
20091002 Windows build. I am finding the move made in the game record often
being changed from that actually played in the match to what GNU thought best -
which obviosly then renders the rest of the game meaningless garbage full of
illegal moves.
Example:
GNU Backgammon Position ID:
sHPkASjg6+ABJA
Match ID : MAH6ACAACAAA +12-11-10--9--8--7-------6--5--4--3--2--1-+ O: Opp | X O O | | O X X | 2 points | X O | | O | Rolled 46 | X O | | O | | X | | O | | | | O | ^| |BAR| | 7 point match (Cube: 1) | | | | | O | | | | O X | | X | | O X | | X X | | O X X | | X X O O | 1 point +13-14-15-16-17-18------19-20-21-22-23-24-+ X: You 1. Cubeful 4-ply 24/18
22/18
Eq.: -0.209
0.467 0.094 0.002 - 0.533 0.127 0.004 4-ply cubeful prune 2. Cubeful 4-ply 8/2* 6/2 Eq.: -0.327 ( -0.118) 0.433 0.146 0.007 - 0.567 0.165 0.008 4-ply cubeful prune My opponent moved 8/2* 6/2 which is correctly
highlighted in red. The problem is that GNU puts its preferred 24/18 22/18 into
the game record in place of 8/2* 6/2 - thus rendering all further analysis of
that game meaningless.
This nonsense seems to have affected almost all the
games I have analysed.
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