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BGonline.org Forums
Rollouts of cube action
Posted By: Timothy Chow In Response To: Scoreless vs. 3a3a (Carlo Melzi)
Date: Friday, 7 May 2010, at 2:45 a.m.
Big double at 3a3a, small double scoreless (though maybe a longer rollout is needed for the latter).
I'm currently rolling out the checker play and will post when done.
The score (after 0 games) is: gnubg 0, tchow 0 (match to 3 points)
tchow on roll, cube decision?
gnubg 133
tchow 125 Position ID: nDuDAVBmbhcAMA Match ID: cAlgAAAAAAAA
Cube decision Rollout cubeless equity +0.511 (Money: +0.424) Cubeful equities: 1. Double, take +0.785 2. Double, pass +1.000 +0.215 3. No double +0.630 -0.155 Proper cube action: Double, take Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.618 0.311 0.017 - 0.382 0.127 0.012 +0.511 +0.630 Standard error 0.001 0.002 0.001 - 0.001 0.002 0.001 0.004 0.011 Player gnubg owns 2-cube 0.627 0.320 0.027 - 0.373 0.146 0.016 +1.226 +0.785 Standard error 0.002 0.004 0.002 - 0.002 0.004 0.002 0.014 0.016 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 852199751 and quasi-random dice Play: supremo 2-ply cubeful prune [world class] keep the first 0 0-ply moves and up to 16 more moves within equity 0.32 Skip pruning for 1-ply moves. Cube: 2-ply cubeful prune [world class]
Unlimited game: tchow on roll, cube decision?
gnubg 133
tchow 125 Position ID: nDuDAVBmbhcAMA Match ID: cAkAAAAAAAAA
Cube decision Rollout cubeless equity +0.412 Cubeful equities: 1. Double, take +0.589 2. Double, pass +1.000 +0.411 3. No double +0.565 -0.024 Proper cube action: Double, take Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.614 0.301 0.014 - 0.386 0.125 0.007 +0.412 +0.565 Standard error 0.001 0.002 0.000 - 0.001 0.001 0.000 0.003 0.009 Player gnubg owns 2-cube 0.628 0.306 0.011 - 0.372 0.120 0.007 +0.895 +0.589 Standard error 0.002 0.002 0.001 - 0.002 0.001 0.000 0.009 0.013 Full cubeful rollout with var.redn. 1296 games, Mersenne Twister dice gen. with seed 852476452 and quasi-random dice Play: supremo 2-ply cubeful prune [world class] keep the first 0 0-ply moves and up to 16 more moves within equity 0.32 Skip pruning for 1-ply moves. Cube: 2-ply cubeful prune [world class]
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