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54 to play *RO*

Posted By: Dmitriy Obukhov
Date: Friday, 14 October 2011, at 3:09 p.m.

In Response To: 54 to play (Dmitriy Obukhov)

I think those who responded either did not catch that that I changed player names to Human1 and Human2, or did not think it mattered. I made a bold play here, knowing it was wrong. But I think bold play could be practically correct against average human. The main reason is how they handle redoubles at this score. What is not a money double could be a huge pass. I post the rollout of original problem first, followed by position where I redoubled, my opponent took, and I won a gammon for the match.





White is Player 2

score: 9
pip: 104
13 point match
pip: 135
score: 6

Blue is Player 1
XGID=--AAB-D-BB-a---c-c-dBb-bA-:1:1:1:54:6:9:0:13:10
Blue to play 54
1.Rollout18/3 6/2eq: -0.2535
Player:
Opponent:
30.81% (G:5.27% B:0.09%)
69.19% (G:7.55% B:0.27%)
Conf.: ±0.0062 (-0.2597...-0.2472) - [100.0%]
Duration: 2 minutes 50 seconds
2.Rollout120/11* eq: -0.2761 (-0.0226)
Player:
Opponent:
35.29% (G:7.58% B:0.48%)
64.71% (G:32.04% B:6.98%)
Conf.: ±0.0119 (-0.2880...-0.2642) - [0.0%]
Duration: 3 minutes 40 seconds
1 1296 Games rolled with Variance Reduction.
Moves and cube decisions: 3-ply

eXtreme Gammon Version: 2.01, MET: Rockwell-Kazaross





White is Player 2

score: 9
pip: 109
13 point match
pip: 129
score: 6

Blue is Player 1
XGID=aB-BC-CA-------ba-ccCc-bA-:1:1:1:00:6:9:0:13:10
Blue on roll, cube action?
Analyzed in XG Roller+ No redouble Redouble/Take
Player Winning Chances: 59.127% (G:27.980% B:0.394%) 59.010% (G:28.673% B:0.363%)
Opponent Winning Chances: 40.873% (G:10.670% B:0.643%) 40.990% (G:11.434% B:0.829%)
Cubeless Equities +0.3772 +1.2833
Cubeful Equities
No redouble:+0.7389 (-0.2611)
Redouble/Take:+1.2833 (+0.2833)
Redouble/Pass:+1.0000
Best Cube action: Redouble / Pass

eXtreme Gammon Version: 2.01, MET: Rockwell-Kazaross

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