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Position of the Day 10-10-26 - Rollout No Jacoby

Posted By: Colin Owen
Date: Saturday, 7 November 2026, at 2:21 a.m.

In Response To: Position of the Day 10-10-26 - Rollout (Stick)

The Jacoby Rule does not make a big difference here. The top 2 plays are the same with or without; Jacoby triples the difference, but it is only an additional 0.014 or so:





White is Player 2

score: 0
pip: 104
Unlimited Game
Beaver
pip: 130
score: 0

Blue is Player 1
XGID=--a--BCBB-B-cD---a-bb-bbb-:0:0:1:61:0:0:2:0:10
Blue to play 61

1.Rollout113/7 10/9eq: +0.5330
Player:
Opponent:		65.44% (G:5.98% B:0.16%)
34.56% (G:14.23% B:0.06%)		Conf.: ±0.0024 (+0.5306...+0.5355) - [100.0%]
Duration: 6 minutes 03 seconds
2.Rollout113/7 6/5eq: +0.5259 (-0.0071)
Player:
Opponent:		65.15% (G:5.49% B:0.15%)
34.85% (G:6.00% B:0.04%)		Conf.: ±0.0024 (+0.5235...+0.5283) - [0.0%]
Duration: 9 minutes 07 seconds
3.Rollout213/6eq: +0.4761 (-0.0569)
Player:
Opponent:		63.78% (G:5.56% B:0.16%)
36.22% (G:8.02% B:0.06%)		Conf.: ±0.0052 (+0.4709...+0.4814) - [0.0%]
Duration: 2 minutes 00 second
1 23328 Games rolled with Variance Reduction.
Dice Seed: 21976511
Moves: 3-ply, cube decisions: XG Roller

2 5184 Games rolled with Variance Reduction.
Dice Seed: 21976511
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10

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