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Kit's problem: 4-ply RO

Posted By: Petter Bengtsson
Date: Sunday, 26 February 2012, at 4:50 p.m.

In Response To: Look here for Kit's problem RO (neilkaz)

4-ply rollout results in a higher equity for the top play.

The other three plays have about the same equity as in Neil's 3-ply/XGR rollout.





White is Player 2

score: 0
pip: 45
Unlimited Game
Jacoby Beaver
pip: 83
score: 0

Blue is Player 1
XGID=-BBBbCCB--------------a-A-:1:1:1:21:0:0:3:0:10
Blue to play 21

1.Rollout124/22* 2/1eq: +0,158
Player:
Opponent:
48,53% (G:0,00% B:0,00%)
51,47% (G:3,08% B:0,39%)
Conf.: ± 0,010 (+0,148...+0,167) - [100,0%]
Duration: 37 minutes 25 seconds
2.Rollout124/22* 7/6eq: +0,117 (-0,041)
Player:
Opponent:
46,52% (G:0,00% B:0,00%)
53,48% (G:1,26% B:0,09%)
Conf.: ± 0,008 (+0,109...+0,125) - [0,0%]
Duration: 19 minutes 56 seconds
3.Rollout124/23 7/5eq: +0,110 (-0,048)
Player:
Opponent:
47,95% (G:0,00% B:0,00%)
52,05% (G:5,98% B:0,45%)
Conf.: ± 0,007 (+0,103...+0,117) - [0,0%]
Duration: 19 minutes 47 seconds
4.Rollout124/22* 22/21eq: +0,104 (-0,053)
Player:
Opponent:
46,07% (G:0,00% B:0,00%)
53,93% (G:1,19% B:0,09%)
Conf.: ± 0,008 (+0,096...+0,112) - [0,0%]
Duration: 16 minutes 46 seconds
1 2592 Games rolled with Variance Reduction.
Dice Seed: 13579
Moves and cube decisions: 4-ply

eXtreme Gammon Version: 2.02

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