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Position of the Day 10-05-26 - Rollout

Posted By: Stick
Date: Tuesday, 27 October 2026, at 6:34 p.m.

In Response To: Position of the Day 10-05-26 (Stick)

It's extra hard for it not to be a double, especially an initial double, when you have the opponent on the bar versus the best five point board.

See variant below that's a few pips difference and swings a big chunk of equity. (though somewhat surprisingly(?) still a take)





White is Player 2

score: 0
pip: 119
Unlimited Game
Jacoby Beaver
pip: 129
score: 0

Blue is Player 1
XGID=a-BBBBC-----b-b--AbbbBbbA-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 64.17% (G:30.20% B:0.57%) 64.83% (G:31.44% B:0.61%)
Opponent Winning Chances: 35.83% (G:8.92% B:0.47%) 35.17% (G:9.06% B:0.50%)
Cubeless Equities +0.497 +1.043
Cubeful Equities
No double:+0.749 (-0.028)±0.006 (+0.743..+0.754)
Double/Take:+0.776±0.009 (+0.768..+0.785)
Double/Pass:+1.000 (+0.224)
Best Cube action: Double / Take
Rollout details
5184 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 2 minutes 02 seconds


Variant





White is Player 2

score: 0
pip: 119
Unlimited Game
Jacoby Beaver
pip: 125
score: 0

Blue is Player 1
XGID=a-BBBBC-----bAb---bbbBbbA-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 66.25% (G:31.93% B:0.55%) 67.47% (G:33.75% B:0.69%)
Opponent Winning Chances: 33.75% (G:8.36% B:0.51%) 32.53% (G:8.62% B:0.59%)
Cubeless Equities +0.561 +1.204
Cubeful Equities
No double:+0.807 (-0.152)±0.004 (+0.803..+0.812)
Double/Take:+0.960±0.009 (+0.951..+0.968)
Double/Pass:+1.000 (+0.040)
Best Cube action: Double / Take
Rollout details
5184 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 1 minute 54 seconds

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