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52S-33A-F-C Jacoby, No Beavers 3-ply XG2 Rollout

Posted By: Taper_Mike
Date: Saturday, 15 February 2014, at 1:24 p.m.

In Response To: 52S-33A-F-C - XG 4ply/XGR+ Rollout (Stick)





White is Player 2

score: 0
pip: 163
Unlimited Game
Jacoby
pip: 155
score: 0

Blue is Player 1
XGID=aa-B-BC-A---dE---d-e----B-:0:0:1:00:0:0:1:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 66.516% (G:27.639% B:1.246%) 66.566% (G:28.876% B:1.263%)
Opponent Winning Chances: 33.484% (G:7.492% B:0.335%) 33.434% (G:7.837% B:0.380%)
Cubeless Equities +0.5409 +1.1011
Cubeful Equities
No double:+0.7752 (-0.0681)0.0071 (+0.7680..+0.7823)
Double/Take:+0.84320.0092 (+0.8340..+0.8524)
Double/Pass:+1.0000 (+0.1568)
Best Cube action: Double / Take
Rollout details
5184 Games rolled with Variance Reduction.
Dice Seed: 48255426
Moves: 3-ply, cube decisions: XG Roller
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 29 minutes 41 seconds

Rollout by Igor Erovenko
2013-Mar-03
eXtreme Gammon Version: 2.10
52S-33A-F-C-j-ie.xgp
[D 843-68] "<=5

eXtreme Gammon Version: 2.10

Igor has two rollouts of this position. This one he named 52S-33A-F-C. Because he used the same seed for each one, the results are almost identical. The only dicrepency is a 0.0001 difference that I believe is caused by vagaries in the calculation of variance reduction. Or is it due to slight variations the timings of multithreaded rollouts? Hmm...

Either way, this rollout and the following one are duplicates that should not be combined.

If this duplicate post does nothing else, at least it gets the alternate move sequence into the subject. That will aid future searching.

Mike

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