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PotD 02-07-26 - Variant

Posted By: Nack Ballard
Date: Saturday, 14 February 2026, at 12:47 p.m.

In Response To: Position of the Day 02-07-26 - Rollout (Stick)





White is Player 1

score: 0
pip: 100
Unlimited Game
Jacoby Beaver
pip: 100
score: 0

Blue is Player 2
XGID=--aCBBD-Ca---a-----cbbcb-A:1:-1:-1:00:0:0:3:0:10
Original Position

Analyzed in Rollout No redouble Redouble/Take
Player Winning Chances: 76.66% (G:8.60% B:0.13%) 77.14% (G:8.28% B:0.13%)
Opponent Winning Chances: 23.34% (G:3.38% B:0.13%) 22.86% (G:3.42% B:0.13%)
Cubeless Equities +0.586 +1.183
Cubeful Equities
No redouble:+0.870 (-0.130)±0.003 (+0.867..+0.873)
Redouble/Take:+1.018 (+0.018)±0.005 (+1.012..+1.023)
Redouble/Pass:+1.000
Best Cube action: Redouble / Pass
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: 58.7 seconds

Above is Stick's rollout of the original position.

The variant below, which adjusts a spare by 1 pip, is one way to slide the position from a pass to a take. The difference of .04 is non-trivial, though.

Nack





White is Player 2

score: 0
pip: 100
Unlimited Game
Jacoby Beaver
pip: 99
score: 0

Blue is Player 1
XGID=a-CBBBC-----A---Ac-dbbcA--:1:1:1:00:0:0:3:0:10
Variant

Analyzed in Rollout No redouble Redouble/Take
Player Winning Chances: 76.32% (G:8.11% B:0.12%) 76.55% (G:7.97% B:0.12%)
Opponent Winning Chances: 23.68% (G:3.29% B:0.12%) 23.45% (G:3.35% B:0.12%)
Cubeless Equities +0.575 +1.154
Cubeful Equities
No redouble:+0.860 (-0.119)±0.006 (+0.854..+0.865)
Redouble/Take:+0.979±0.008 (+0.971..+0.987)
Redouble/Pass:+1.000 (+0.021)
Best Cube action: Redouble / Take
Rollout details
2592 Games rolled with Variance Reduction.
Dice Seed: 62831337
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 2 minutes 21 seconds

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