Position 17

The score (after 3 games) is: North 4, South 2 (match to 7 points)

Move number 14: North on roll, cube decision?

+--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+
|1X1O '2X '3X|   | '3X2X1X '2O|
|                   |   |                   |
|                 | 1 |                 |
|2O1X2O ' '3O|   | '3O '1O '2X|
|                   | 1O|                   |
+-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+

Pip counts: North 128, South 134
Position ID: M86JAUgx5xYDEA Match ID: MAHgAEAAEAAA

• North doubles

Alert: wrong double ( -0.097)! [bad]

Cube decision
Rollout cubeless equity +0.520(Money: +0.537)
Cubeful equities:
1.No double +0.586 
2.Double, pass +1.000 +0.414
3.Double, take +0.490 -0.097
Proper cube action:No double, take (19.0%)
Rollout details
 WinW gW bg LoseL gL bgCubelessCubeful
Centered 1-cube 66.2% 30.6% 3.2%- 33.8% 12.0% 0.4% +0.520 +0.586
Standard error 0.1% 0.3% 0.3%- 0.1% 0.1% 0.0% 0.005 0.009
Player South owns 2-cube 66.6% 32.3% 4.4%- 33.4% 12.0% 0.7% +1.004 +0.490
Standard error 0.2% 0.4% 0.4%- 0.2% 0.1% 0.1% 0.008 0.013
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 1033995130 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: 0.097

3.4.7n

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