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Reference position

Posted By: Nack Ballard
Date: Monday, 6 November 2023, at 3:23 p.m.

In Response To: Anyone have a reference position for this one? (Timothy Chow)





White is Player 2

score: 2
pip: 106
7 point match
pip: 101
score: 5

Blue is Player 1
XGID=aB-BB-CC----bB----ccAbb-b-:0:0:1:00:5:2:0:7:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 74.43% (G:12.18% B:0.15%) 75.17% (G:8.45% B:0.07%)
Opponent Winning Chances: 25.57% (G:2.79% B:0.05%) 24.83% (G:2.31% B:0.05%)
Cubeless Equities +0.688 +1.603
Cubeful Equities
No double:+0.795 (-0.003)±0.003 (+0.792..+0.799)
Double/Take:+0.798±0.007 (+0.792..+0.805)
Double/Pass:+1.000 (+0.202)
Best Cube action: Double / Take
Rollout details
5184 Games rolled with Variance Reduction.
Dice Seed: 32379281
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:80.1%
Take Decision confidence:100.0%
Duration: 25 minutes 24 seconds

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

This one might be easy to remember.

Score is –2–5 with the 2 and 5 points open.
Other checkers on 6, 7, 13.
Symmetrical except for checker on bar.
Borderline double.

You can tweak it according to your taste to find a borderline take/pass or borderline too good. It shouldn't take much.

Nack

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