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Is the take mandatory? - Yes

Posted By: Neil Robins
Date: Friday, 27 December 2013, at 5:04 p.m.

In Response To: Is the take mandatory? - Yes (eXtreme Gammon)

I'm talking about stuff like this. Surely the rollout is reporting that after Bar/21 7/4 proper cube action is D/P i.e equity -1.000 and error from playing Bar/21 13/10 is 0.003 not 0.009.





White is Player 2

score: 12
pip: 70
15 point match
pip: 143
score: 5

Blue is Player 1
XGID=-A-B-BBC-----Ba--b-cbBcbbA:0:0:1:43:5:12:0:15:10
Blue to play 43
1.Rollout1Bar/21 7/4eq: -0.994
Player:
Opponent:
13.97% (G:1.03% B:0.03%)
86.03% (G:23.73% B:0.20%)
Conf.: ± 0.006 (-1.000...-0.988) - [98.7%]
Duration: 3 minutes 21 seconds
2.Rollout1Bar/21 13/10eq: -1.003 (-0.009)
Player:
Opponent:
13.68% (G:1.00% B:0.02%)
86.32% (G:21.88% B:0.19%)
Conf.: ± 0.005 (-1.008...-0.998) - [1.3%]
Duration: 2 minutes 51 seconds
1 1296 Games rolled with Variance Reduction.
Dice Seed: 71284
First 2 moves: 4-ply, cube decisions: XG Roller+
Remaining moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Rockwell-Kazaross





White is Player 2

score: 12
pip: 70
15 point match
pip: 136
score: 5

Blue is Player 1
XGID=-A-BABBB-----Ba--b-cbCcbb-:0:0:-1:00:5:12:0:15:10
White on roll, cube action?
Analyzed in XG Roller+ No double Double/Take
Player Winning Chances: 86.06% (G:24.09% B:0.09%) 86.24% (G:27.33% B:0.16%)
Opponent Winning Chances: 13.94% (G:0.81% B:0.01%) 13.76% (G:0.85% B:0.02%)
Cubeless Equities +0.926 +1.611
Cubeful Equities
No double:+1.018
Double/Take:+1.400 (+0.382)
Double/Pass:+1.000 (-0.018)
Best Cube action: Too good to double / Pass
Percentage of wrong take needed to make the double decision right: 4.5%

eXtreme Gammon Version: 2.10, MET: Rockwell-Kazaross

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