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501 Essential Backgammon Problems #28 -- More ROs

Posted By: Stick
Date: Saturday, 17 August 2013, at 4:26 p.m.

In Response To: 501 Essential Backgammon Problems #28 -- Rollout + Variants (Igor)

I only did 5k w/XG since it was the second time around already having the GNU rollouts which held up.

 White is Player 2 score: 0 pip: 155 Unlimited GameJacoby pip: 159 score: 0 Blue is Player 1
XGID=--aB--DaB---dE---d-e----B-:0:0:1:21:0:0:1:0:10
Blue to play 21

1.Rollout113/11 8/7* eq: -0.002
 Player:Opponent: 49.59% (G:16.74% B:0.69%)50.41% (G:15.04% B:1.08%) Conf.: ± 0.008 (-0.010...+0.006) - [77.1%]Duration: 1 hour 35 minutes
2.Rollout124/21eq: -0.006 (-0.004)
 Player:Opponent: 49.30% (G:13.63% B:0.46%)50.70% (G:11.71% B:0.49%) Conf.: ± 0.007 (-0.013...+0.000) - [22.9%]Duration: 1 hour 28 minutes
1 5184 Games rolled with Variance Reduction.
Dice Seed: 38559782
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10

# Ply Move Equity
1 R 13/11 8/7* +0.004
 0.495 0.166 0.007 - 0.505 0.15 0.01 0.004 0.004 0 0 0 - 0 0.001 0 0.001 0.004
Full cubeful rollout with var.redn.
18144 games, Mersenne Twister dice gen. with seed 838414512 and quasi-random dice
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 12 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
2 R 24/21 -0.013 ( -0.016)
 0.493 0.132 0.005 - 0.507 0.117 0.005 0.002 -0.013 0 0 0 - 0 0 0 0.001 0.003
Full cubeful rollout with var.redn.
18144 games, Mersenne Twister dice gen. with seed 838414512 and quasi-random dice
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 12 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
3 R 24/22 8/7* -0.023 ( -0.027)
 0.489 0.156 0.006 - 0.511 0.145 0.008 -0.012 -0.023 0 0 0 - 0 0.001 0 0.001 0.003
Full cubeful rollout with var.redn.
18144 games, Mersenne Twister dice gen. with seed 838414512 and quasi-random dice
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 12 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

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