[ View Thread ] [ Post Response ] [ Return to Index ] [ Read Prev Msg ] [ Read Next Msg ]

BGonline.org Forums

Backgammon Boot Camp #1-21 – Cube Decision – XGR++ Eval

Posted By: Taper_Mike
Date: Tuesday, 20 January 2015, at 11:32 p.m.

In Response To: Backgammon Boot Camp #1-21 – Cube Decision – XGR++ Eval (Bob Koca)

Moving the gap just 1 point lower, while holding the pip count constant, is all it takes to find the cusp between D and ND. Any further improvement for White will switch this very thin double to ND.

Mike





White is Player 2

score: 0
pip: 99
Unlimited Game
Jacoby Beaver
pip: 85
score: 0

Blue is Player 1
XGID=--BCBBBbB----Ba-a-abbb-bb-:0:0:1:00:0:0:3:0:10
Blue on roll, cube action?

Analyzed in Rollout No double Double/Take
  Player Winning Chances: 66.152% (G:1.330% B:0.053%) 66.447% (G:1.272% B:0.055%)
  Opponent Winning Chances: 33.848% (G:1.226% B:0.022%) 33.553% (G:1.273% B:0.024%)
  Cubeless Equities +0.3244 +0.6585
Cubeful Equities
No double:+0.4858 (-0.0032)±0.0030 (+0.4828..+0.4888)
Double/Take:+0.4890±0.0042 (+0.4848..+0.4933)
Double/Pass:+1.0000 (+0.5110)
 
Best Cube action: Double / Take
Rollout details
5184 Games rolled with Variance Reduction.
Dice Seed: 14928019
Moves: 3-ply, cube decisions: XG Roller
 
Double Decision confidence:89.1%
Take Decision confidence:100.0%
Duration: 10 minutes 20 seconds

eXtreme Gammon Version: 2.10

Messages In This Thread

 

Post Response
Your Name:
Your E-Mail Address:
Subject:
Message:

If necessary, enter your password below:

Password:
 

 

[ View Thread ] [ Post Response ] [ Return to Index ] [ Read Prev Msg ] [ Read Next Msg ]

BGonline.org Forums is maintained by Stick with WebBBS 5.12.