Another Rollout Result Posted

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Another Rollout Result Posted

Posted By: Paul Weaver
Date: Sunday, 15 August 2010, at 9:34 p.m.

Not enough bang for the buck for me to do any more of these long checker play rollouts. In the same amount of CPU time, I could roll out several dozen cube positions and learn several dozen times as much.

is Player 2

score: 1
pip: 137

11 point match

pip: 159
score: 0

is Player 1

XGID=-a----EAC---cCa-acBbbb-A--:1:1:1:64:0:1:0:11:10
to play 64

1. Rollout¹ 18/14* 7/1* eq: -0.375
Player:
Opponent: 34.03% (G:8.02% B:0.34%)
65.97% (G:27.15% B:1.91%) Conf: ą 0.005 (-0.380...-0.370)
Duration: 3 hours 53 minutes
2. Rollout¹ 13/7 6/2 eq: -0.383 (-0.009)
Player:
Opponent: 33.69% (G:6.26% B:0.24%)
66.31% (G:25.98% B:0.96%) Conf: ą 0.005 (-0.388...-0.378)
Duration: 3 hours 06 minutes
3. Rollout¹ 13/7 8/4 eq: -0.386 (-0.012)
Player:
Opponent: 33.62% (G:7.00% B:0.31%)
66.38% (G:27.20% B:0.97%) Conf: ą 0.005 (-0.391...-0.381)
Duration: 3 hours 04 minutes
4. Rollout² 18/14* 13/7 eq: -0.399 (-0.024)
Player:
Opponent: 32.55% (G:7.52% B:0.45%)
67.45% (G:25.79% B:1.45%) Conf: ą 0.010 (-0.409...-0.389)
Duration: 1 hour 16 minutes
5. Rollout² 13/9 13/7 eq: -0.400 (-0.025)
Player:
Opponent: 32.97% (G:6.18% B:0.27%)
67.03% (G:25.84% B:0.98%) Conf: ą 0.010 (-0.410...-0.390)
Duration: 1 hour 02 minutes
6. Rollout² 8/2 6/2 eq: -0.411 (-0.037)
Player:
Opponent: 31.90% (G:6.26% B:0.24%)
68.10% (G:23.98% B:0.87%) Conf: ą 0.009 (-0.420...-0.402)
Duration: 57 minutes 16 seconds

¹ 10368 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply

² 2298 Games rolled with Variance Reduction.
Moves and cube decisions: 3 ply

eXtreme Gammon Version: 1.21, MET: Rockwell-Kazaross