Position 15

The score (after 2 games) is: North 4, South 0 (match to 7 points)

Move number 5: South on roll, cube decision?

+-24-23-22-21-20-19-+---+-18-17-16-15-14-13-+
|1O ' '1X '3X|   | '3X '1X '4O|
|                   |   |                   |
|                 | 1 |                 |
|3X ' ' ' '5O|   | '3O ' '1O4X|
|                   | 1O|                   |
+--1--2--3--4--5--6-+---+--7--8--9-10-11-12-+

Pip counts: North 180, South 166
Position ID: yDnxADjgc+QBUA Match ID: cAngAEAAAAAA

• South doubles

Alert: wrong double ( -0.075)!

Cube decision
Rollout cubeless equity +0.254(Money: +0.172)
Cubeful equities:
1.No double +0.532 
2.Double, pass +1.000 +0.468
3.Double, take +0.457 -0.075
Proper cube action:No double, take (13.8%)
Rollout details
 WinW gW bg LoseL gL bgCubelessCubeful
Centered 1-cube 54.8% 19.6% 1.7%- 45.2% 11.9% 1.8% +0.254 +0.532
Standard error 0.3% 0.2% 0.2%- 0.3% 0.2% 0.2% 0.009 0.017
Player North owns 2-cube 54.7% 19.5% 1.5%- 45.3% 12.1% 3.3% +0.525 +0.457
Standard error 0.3% 0.3% 0.2%- 0.3% 0.3% 0.3% 0.019 0.020
Full cubeful rollout with var.redn.
1944 games, Mersenne Twister dice gen. with seed 1034922624 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: 0.075

3.3.2s

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