Position 1

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

Move number 16: North on roll, cube decision?

+--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+
|2X ' '3O2X4X|   |3X2X ' ' '2O|
|                   |   |                   |
|                 | 1 |                 |
|2O '1O2O2O2O|   |2X1O ' ' ' '|
+-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+

Pip counts: North 109, South 132
Position ID: 0zbBAAfD3g3AAA Match ID: MAHgAAAAAAAA

• North doubles

Cube decision
Rollout cubeless equity +0.383(Money: +0.380)
Cubeful equities:
1.Double, take +0.569 
2.Double, pass +1.000 +0.431
3.No double +0.533 -0.036
Proper cube action:Double, take
Rollout details
 WinW gW bg LoseL gL bgCubelessCubeful
Centered 1-cube 65.5% 13.8% 0.5%- 34.5% 7.1% 0.2% +0.383 +0.533
Standard error 0.1% 0.1% 0.1%- 0.1% 0.1% 0.1% 0.003 0.007
Player South owns 2-cube 66.3% 13.8% 0.4%- 33.7% 6.9% 0.3% +0.825 +0.569
Standard error 0.1% 0.2% 0.1%- 0.1% 0.1% 0.1% 0.007 0.010
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 1027813568 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]

 

Missed double by GNU
Equity lost: 0.036

1.1.8n
Output generated Tue Mar 20 00:12:21 2007 by GNU Backgammon 0.16-mingw (HTML Export version 1.173)

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