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Position of the Day 01-23-26 - Rollout

Posted By: Chuck Bower
Date: Thursday, 29 January 2026, at 4:30 p.m.

In Response To: Position of the Day 01-23-26 - Rollout (Stick)

4-ply rollout (1296 trials) agrees pretty closely with your 3-ply RO:





White is Player 2

score: 0
pip: 144
Unlimited Game
pip: 150
score: 0

Blue is Player 1
XGID=-Aa---D-C---cE-abcBe------:0:0:1:43:0:0:0:0:10
Blue to play 43

1.Rollout113/6eq: -0.137
Player:
Opponent:		45.89% (G:8.47% B:0.15%)
54.11% (G:10.41% B:0.39%)		Conf.: ± 0.009 (-0.146...-0.128) - [54.4%]
Duration: 2 hours 10 minutes
2.Rollout18/1eq: -0.138 (-0.001)
Player:
Opponent:		45.73% (G:9.43% B:0.17%)
54.27% (G:10.99% B:0.39%)		Conf.: ± 0.009 (-0.147...-0.129) - [45.6%]
Duration: 1 hour 58 minutes
3.Rollout113/10 13/9eq: -0.164 (-0.027)
Player:
Opponent:		45.37% (G:9.06% B:0.22%)
54.63% (G:10.49% B:0.51%)		Conf.: ± 0.010 (-0.173...-0.154) - [0.0%]
Duration: 2 hours 32 minutes
4.Rollout118/14 18/15* eq: -0.164 (-0.028)
Player:
Opponent:		47.17% (G:9.93% B:0.42%)
52.83% (G:16.66% B:0.73%)		Conf.: ± 0.011 (-0.176...-0.153) - [0.0%]
Duration: 2 hours 47 minutes
5.Rollout118/15* 15/11eq: -0.180 (-0.043)
Player:
Opponent:		46.89% (G:10.55% B:0.44%)
53.11% (G:17.17% B:0.71%)		Conf.: ± 0.012 (-0.192...-0.168) - [0.0%]
Duration: 2 hours 43 minutes
1 1296 Games rolled with Variance Reduction.
Dice Seed: 42733559
Moves and cube decisions: 4-ply
Search interval: Huge

eXtreme Gammon Version: 2.10

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