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Rollout

Posted By: John O'Hagan
Date: Monday, 10 August 2026, at 5:32 p.m.

In Response To: Cube action at the score? (John O'Hagan)

A big no double ats unless there's a very large pr difference between the 2 players. XG says the tp is 6.97% between two even players.





White is Player 2

score: 2
pip: 9
11 point match
pip: 18
score: 8

Blue is Player 1
XGID=--AABA-----------------ag-:1:1:1:00:8:2:0:11:10
Blue on roll, cube action?

Analyzed in Rollout No redouble Redouble/Take
Player Winning Chances: 87.72% (G:0.00% B:0.00%) 87.72% (G:0.00% B:0.00%)
Opponent Winning Chances: 12.28% (G:0.00% B:0.00%) 12.28% (G:0.00% B:0.00%)
Cubeless Equities +0.754 +1.140
Cubeful Equities
No redouble:+0.807±0.002 (+0.805..+0.810)
Redouble/Take:+0.602 (-0.205)±0.000 (+0.602..+0.602)
Redouble/Pass:+1.000 (+0.193)
Best Cube action: No redouble / Take
Percentage of wrong pass needed to make the double decision right: 34.0%
Rollout details
1296 Games rolled with Variance Reduction.
First 12 moves: 3-ply, cube decisions: XG Roller
Remaining moves: 3-ply, cube decisions: XG Roller
Search interval: Large
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 0.3 second

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

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