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42P62S53 and 42P62S52, more rollouts
Posted By: Nack Ballard
Date: Wednesday, 15 February 2012, at 8:55 a.m.
In Response To: Rollout Results and Commentary (Paul Weaver)
Ah, so there are early game positions hiding in this thread. Nice commentary (and Nactation) on the fifth roll position (42P62S53X53R65) as well.
I already had rollout results for the two third roll positions, which are posted below, followed by a nacbrac summary.
White is Player 2
score: 0
pip: 159Unlimited Game
Jacoby Beaverpip: 161
score: 0
Blue is Player 1XGID=aBDaBdEaceB:0:0:1:53:0:0:3:0:10 Blue to play 53
1. Rollout^{1} 24/21 6/1* eq: +0.125
Player:
Opponent:51.78% (G:18.05% B:0.62%)
48.22% (G:11.78% B:0.57%)Conf.: ± 0.003 (+0.121...+0.128)  [94.7%]
Duration: 9 hours 07 minutes2. Rollout^{1} 24/21 13/8 eq: +0.121 (0.004)
Player:
Opponent:52.30% (G:15.42% B:0.57%)
47.70% (G:10.75% B:0.43%)Conf.: ± 0.003 (+0.118...+0.124)  [5.3%]
Duration: 8 hours 35 minutes^{1} 31104 Games rolled with Variance Reduction.
Dice Seed: 43543213
Moves: 3ply, cube decisions: XG RollereXtreme Gammon Version: 2.01
White is Player 2
score: 0
pip: 159Unlimited Game
Jacoby Beaverpip: 161
score: 0
Blue is Player 1XGID=aBDaBdEaceB:0:0:1:52:0:0:3:0:10 Blue to play 52
1. Rollout^{1} 24/22 6/1* eq: +0.081
Player:
Opponent:50.80% (G:17.91% B:0.64%)
49.20% (G:12.39% B:0.63%)Conf.: ± 0.005 (+0.076...+0.085)  [99.8%]
Duration: 3 hours 14 minutes2. Rollout^{1} 24/22 13/8 eq: +0.071 (0.009)
Player:
Opponent:51.21% (G:14.96% B:0.57%)
48.79% (G:11.43% B:0.44%)Conf.: ± 0.004 (+0.067...+0.075)  [0.2%]
Duration: 2 hours 59 minutes^{1} 15552 Games rolled with Variance Reduction.
Dice Seed: 46547149
Moves: 3ply, cube decisions: XG RollereXtreme Gammon Version: 2.01
Here is a summary of our rollout results:42P62S53 [X S4] "<=31 (Nack)
....................[X S3] "<=20 (Paul)42P62S52 [X S9] "<=15 (Nack)
....................[X S6] "<=10 (Paul)Key: S = Split (24/21 13/8 or 24/22 13/8), X = hitandsplit (24/21 6/1* or 24/22 6/1*). Explanation of nacbracs.
The Snowie rollout you are remembering for 42P62S53 was [S X6] truncated. (I cannot find a Snowie rollout for 42P62S52.)
Nack

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