Position 11

The score (after 0 games) is: North 0, South 0 (match to 7 points)

Move number 10: South on roll, cube decision?

+-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+
| ' '1O1O '5X|   | '4X ' ' '4O|
|                   |   |                   |
|                 | 1 |                 |
| '1X2X '2O4O|   |2O1O ' ' '3X|
+--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+

Pip counts: North 168, South 151
Position ID: 4PPgABawt+ABCg Match ID: cAngAAAAAAAA

• South doubles

Alert: wrong double ( -0.069)! [doubtful]

Cube decision
Rollout cubeless equity +0.406(Money: +0.396)
Cubeful equities:
1.No double +0.642 
2.Double, pass +1.000 +0.358
3.Double, take +0.574 -0.069
Proper cube action:No double, take (16.1%)
Rollout details
 WinW gW bg LoseL gL bgCubelessCubeful
Centered 1-cube 64.9% 16.5% 0.8%- 35.1% 7.2% 0.3% +0.406 +0.642
Standard error 0.2% 0.3% 0.1%- 0.2% 0.2% 0.1% 0.006 0.016
Player North owns 2-cube 65.1% 17.1% 0.8%- 34.9% 6.9% 0.4% +0.845 +0.574
Standard error 0.3% 0.4% 0.1%- 0.3% 0.2% 0.1% 0.013 0.018
Full cubeful rollout with var.redn.
648 games, Mersenne Twister dice gen. with seed 1029514688 and quasi-random dice
Play: world class 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 8 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

 

Wrong double by BGB
Equity lost: 0.069

3.1.4s

Output generated Wed Mar 21 23:11:13 2007 by GNU Backgammon 0.16-mingw (HTML Export version 1.173)

Valid XHTML 1.0! Valid CSS!