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Gnubg ROllout - Cube after 13/9 8/5

Posted By: Daniel Murphy
Date: Thursday, 9 August 2012, at 5:50 p.m.

In Response To: Another XG2 RO (Petter Bengtsson)

Short but long enough to show that White has a clear double after 13/9 8/5.

The score (after 0 games) is: White 5, Blue 1 (match to 7 points)

Move number 4: White on roll, cube decision?

White	123
Blue	136
Position ID: 0OfCIwDg2wcHAA Match ID: MAHgAFAACAAE

• White doubles

Cube decision
Rollout cubeless equity		+0.571748	(Money: +0.58015 +0.571748)
Cubeful equities:
1.	Double, take	+0.988115
2.	Double, pass	+1.000000	+0.011885
3.	No double	+0.862055	-0.126060
Proper cube action:		Double, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.772411 0.039714 0.001154 - 0.227589 0.005413 0.000123 +0.571748 +0.862055 Standard error 0.000750 0.003108 0.000396 - 0.000750 0.000507 0.000050 0.002497 0.004448 Player Blue owns 2-cube 0.775759 0.069921 0.002287 - 0.224241 0.002838 0.000061 +1.521161 +0.988115 Standard error 0.001007 0.005400 0.001028 - 0.001007 0.000405 0.000030 0.004880 0.007595
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 688148634 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]

Annotation

Cube analysis
2-ply cubeless equity +0.597034 (Money: +0.56922 +0.597034)
0.765394 0.050957 0.000594 - 0.234606 0.013089 0.000023
Cubeful equities:
1. No double +0.890218
2. Double, pass +1.000000 ( +0.109782)
3. Double, take +0.844732 ( -0.045486)
Proper cube action: No double, take (29.3%)

Messages In This Thread

• The cube is coming! The cube is coming!
  Timothy Chow -- Tuesday, 7 August 2012, at 10:09 p.m.
  • The cube is coming! The cube is coming!
    Stick -- Wednesday, 8 August 2012, at 11:35 a.m.
    • The cube is coming! The cube is coming!
      Timothy Chow -- Wednesday, 8 August 2012, at 5:15 p.m.
      • The cube is coming! The cube is coming!
        Stick -- Wednesday, 8 August 2012, at 8:19 p.m.
  • The cube is coming! The cube is coming!
    Daniel Murphy -- Wednesday, 8 August 2012, at 3:26 p.m.
  • The cube is coming! The cube is coming!
    Chuck Bower -- Wednesday, 8 August 2012, at 4:46 p.m.
  • The cube is coming! The cube is coming!
    ah_clem -- Wednesday, 8 August 2012, at 5:43 p.m.
  • Rollout: The cube is coming! The cube is coming!
    Timothy Chow -- Thursday, 9 August 2012, at 12:37 a.m.
    • Rollout: The cube is coming! The cube is coming!
      Daniel Murphy -- Thursday, 9 August 2012, at 3:55 a.m.
      • Rollout: The cube is coming! The cube is coming!
        Timothy Chow -- Thursday, 9 August 2012, at 2:46 p.m.
    • XG2 rollout
      Michael Nielsen -- Thursday, 9 August 2012, at 9:11 a.m.
    • Another XG2 RO
      Petter Bengtsson -- Thursday, 9 August 2012, at 9:52 a.m.
      • Gnubg ROllout - Cube after 13/9 8/5
        Daniel Murphy -- Thursday, 9 August 2012, at 5:50 p.m.