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Position of the Day 06-29-25 - Teaching XG - Rollout

Posted By: Stick
Date: Saturday, 20 September 2025, at 8:09 p.m.

In Response To: Position of the Day 06-29-25 - Teaching XG (Stick)

I got dinged playing on my iPad for cubing here. 3 ply says it's a blunder of .109 size to redouble. XGR+ thinks it's still almost a blunder coming in at .077. XGR++ is getting better but a big error at .051 and a rollout confirms what we all knew, Stick >>> XG.





White is Player 2

score: 0
pip: 63
Unlimited Game
Jacoby Beaver
pip: 145
score: 0

Blue is Player 1
XGID=---aBBCCB------------deeC-:1:1:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No redouble Redouble/Take
  Player Winning Chances: 72.68% (G:6.81% B:0.18%) 74.16% (G:7.22% B:0.23%)
  Opponent Winning Chances: 27.32% (G:11.48% B:0.97%) 25.84% (G:11.15% B:0.93%)
  Cubeless Equities +0.399 +0.874
Cubeful Equities
No redouble:+0.737 (-0.032)±0.008 (+0.729..+0.746)
Redouble/Take:+0.769±0.014 (+0.756..+0.783)
Redouble/Pass:+1.000 (+0.231)
 
Best Cube action: Redouble / Take
Rollout details
1296 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller
 
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 35.2 seconds

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