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501 Essential Backgammon Problems #32 -- Rollout

Posted By: Stick
Date: Tuesday, 20 August 2013, at 4:27 p.m.

In Response To: 501 Essential Backgammon Problems #32 -- Rollout + Variant (Igor)

Just to show variance at work between my shorter 1k and your 10k rollout. Can have a sizeable effect on the magnitude of our errors.





White is Player 2

score: 0
pip: 154
Unlimited Game
Jacoby Beaver
pip: 174
score: 0

Blue is Player 1
XGID=-a--BAB-C---fD---c-d-a--BA:0:0:1:46:0:0:3:0:10
Blue to play 46

1.Rollout1Bar/21* 13/7eq: +0.159
Player:
Opponent:		53.04% (G:16.65% B:0.71%)
46.96% (G:12.49% B:0.73%)		Conf.: ± 0.019 (+0.139...+0.178) - [100.0%]
Duration: 1 hour 25 minutes
2.Rollout1Bar/21* 21/15eq: +0.112 (-0.047)
Player:
Opponent:		52.72% (G:15.15% B:0.72%)
47.28% (G:12.49% B:0.77%)		Conf.: ± 0.018 (+0.094...+0.130) - [0.0%]
Duration: 1 hour 22 minutes
3.Rollout2Bar/21* 24/18eq: +0.105 (-0.054)
Player:
Opponent:		52.49% (G:14.39% B:0.67%)
47.51% (G:12.56% B:0.60%)		Conf.: ± 0.023 (+0.082...+0.127) - [0.0%]
Duration: 50 minutes 35 seconds
 
1 1296 Games rolled with Variance Reduction.
Dice Seed: 60045198
Moves: 3-ply, cube decisions: XG Roller

2 648 Games rolled with Variance Reduction.
Dice Seed: 60045198
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10

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