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Prime v. Prime Cube - Rollout + Variant

Posted By: Stick
Date: Tuesday, 23 December 2014, at 3:02 p.m.

In Response To: Prime v. Prime Cube (Stick)

It was good of those who picked up on it to realize how bad the made ace was for the taker. That variant is included below. You should also be able, esp. being given the size of the pass, fiddle around with either player's spare pips to play and make a good guess of where the opponent would have a take or where we wouldn't even have a cube.





White is Player 2

score: 0
pip: 107
Unlimited Game
Jacoby Beaver
pip: 117
score: 0

Blue is Player 1
XGID=--aBBBBBBA------bbcbcB--b-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 75.79% (G:13.29% B:0.33%) 76.53% (G:14.98% B:0.37%)
Opponent Winning Chances: 24.21% (G:4.22% B:0.10%) 23.47% (G:4.11% B:0.10%)
Cubeless Equities +0.609 +1.284
Cubeful Equities
No double:+0.793 (-0.207)±0.014 (+0.779..+0.807)
Double/Take:+1.103 (+0.103)±0.019 (+1.084..+1.121)
Double/Pass:+1.000
Best Cube action: Double / Pass
Rollout details
648 Games rolled with Variance Reduction.
Dice Seed: 56332953
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 3 minutes 52 seconds

eXtreme Gammon Version: 2.19.206.pre-release

Variant
White is Player 2

score: 0
pip: 109
Unlimited Game
Jacoby Beaver
pip: 117
score: 0

Blue is Player 1
XGID=--aBBBBBBA------bbcbcB-b--:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 72.82% (G:13.82% B:0.38%) 72.86% (G:15.65% B:0.48%)
Opponent Winning Chances: 27.18% (G:4.96% B:0.19%) 27.14% (G:5.13% B:0.19%)
Cubeless Equities +0.547 +1.131
Cubeful Equities
No double:+0.743 (-0.191)±0.016 (+0.726..+0.759)
Double/Take:+0.934±0.023 (+0.911..+0.957)
Double/Pass:+1.000 (+0.066)
Best Cube action: Double / Take
Rollout details
648 Games rolled with Variance Reduction.
Dice Seed: 56332953
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 4 minutes 51 seconds

eXtreme Gammon Version: 2.19.206.pre-release

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