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Cube action? RO

Posted By: Daniel Murphy
Date: Monday, 30 September 2013, at 3:40 p.m.

In Response To: Cube action? (Daniel Murphy)

The first position is not quite a take, but moving just one checker one pip makes it one.

White	130
Blue	83
Position ID: N7cxACBsuwUADg Match ID: AQEAAAAAAAAE

Cube decision
Rollout cubeless equity		+0.5418
Cubeful equities:
1.	Double, pass	+1.0000
2.	Double, take	+1.0154	+0.0154
3.	No double	+0.7896	-0.2104
Proper cube action:		Redouble, pass
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Player White owns 2-cube 0.7417 0.1356 0.0040 - 0.2583 0.0804 0.0010 +0.5418 +0.7896 Standard error 0.0009 0.0010 0.0001 - 0.0009 0.0008 0.0001 0.0020 0.0038 Player Blue owns 4-cube 0.7575 0.1334 0.0043 - 0.2425 0.0791 0.0010 +1.1453 +1.0154 Standard error 0.0011 0.0015 0.0002 - 0.0011 0.0009 0.0001 0.0055 0.0075
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 728160192 and quasi-random dice
Play: supremo 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

White	130
Blue	84
Position ID: N7sxACBsuwUADg Match ID: AQEAAAAAAAAE

Cube decision
Rollout cubeless equity		+0.5227
Cubeful equities:
1.	Double, take	+0.9742
2.	Double, pass	+1.0000	+0.0258
3.	No double	+0.7754	-0.1988
Proper cube action:		Redouble, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Player White owns 2-cube 0.7360 0.1308 0.0042 - 0.2640 0.0831 0.0011 +0.5227 +0.7754 Standard error 0.0009 0.0010 0.0002 - 0.0009 0.0008 0.0001 0.0021 0.0042 Player Blue owns 4-cube 0.7497 0.1304 0.0045 - 0.2503 0.0810 0.0009 +1.1050 +0.9742 Standard error 0.0011 0.0015 0.0003 - 0.0011 0.0009 0.0001 0.0054 0.0071
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 728160192 and quasi-random dice
Play: supremo 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

Messages In This Thread

• Cube action?
  Daniel Murphy -- Saturday, 28 September 2013, at 8:33 a.m.
  • Cube action?
    Neil Robins -- Saturday, 28 September 2013, at 1:26 p.m.
  • Cube action?
    ah_clem -- Monday, 30 September 2013, at 2:18 p.m.
    • Cube action?
      ah_clem -- Monday, 30 September 2013, at 6:40 p.m.
  • Cube action? RO
    Daniel Murphy -- Monday, 30 September 2013, at 3:40 p.m.