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OTB & RO

Posted By: Bob Koca
Date: Wednesday, 4 June 2014, at 6:18 p.m.

In Response To: OTB & RO (Timothy Chow)

If the attacker's side is more difficult to play should changing the RO to one of lower strength decrease the win%? That does not happen. Using 1 ply instead of 3 ply shows the take to be slightly worse.





White is Player 2

score: 2
pip: 115
13 point match
pip: 85
score: 11

Blue is Player 1
XGID=-Aa-D-DDBb--a------bccba--:0:0:1:00:11:2:0:13:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
Player Winning Chances: 81.67% (G:11.44% B:0.10%) 83.44% (G:24.35% B:0.08%)
Opponent Winning Chances: 18.33% (G:1.51% B:0.04%) 16.56% (G:1.27% B:0.04%)
Cubeless Equities +0.795 +1.762
Cubeful Equities
No double:+0.950 (-0.050)±0.008 (+0.942..+0.958)
Double/Take:+1.191 (+0.191)±0.016 (+1.174..+1.207)
Double/Pass:+1.000
Best Cube action: Double / Pass
Rollout details
1296 Games rolled with Variance Reduction.
Moves and cube decisions: 1-ply
Double Decision confidence:100.0%
Take Decision confidence:100.0%
Duration: 3.6 seconds

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

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