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Re: [Bug-gnubg] Use of Two-Sided DB in matches


From: Neil Robins
Subject: Re: [Bug-gnubg] Use of Two-Sided DB in matches
Date: Sat, 5 Sep 2009 09:06:43 +0100

Those are the figures for opponent on roll.
 
With you on roll it's:
 
     Player       Opponent
Position          169           104
 
Cubeless equity               : +0.4707
Owned cube                    : +0.6734
Centered cube                 : +0.6598
Opponent owns cube            : +0.4490
----- Original Message -----
Sent: Saturday, September 05, 2009 8:08 AM
Subject: Re: [Bug-gnubg] Use of Two-Sided DB in matches

With gnuBG the static evals for this position are (from the 2 sided DB) as an FYI:

bearoffdump -p UgEAYDAAAAAAAA gnubg_ts0.bd
Bearoff database: gnubg_ts0.bd
Position ID     : UgEAYDAAAAAAAA

Information about database:

 * On disk 2-sided bearoff database evaluator
   - generated by GNU Backgammon
   - up to 6 chequers on 6 points (924 positions) per player
   - database includes both cubeful and cubeless equities
   - number of reads: 0


Dump of position ID: UgEAYDAAAAAAAA

             Player       Opponent
Position          104           169

Cubeless equity               : +0.5139
Owned cube                    : +0.7072
Centered cube                 : +0.6933
Opponent owns cube            : +0.4896

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