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Cube action vs 5 off

Posted By: Daniel Murphy
Date: Sunday, 26 February 2012, at 3:27 a.m.

Note the difference between gnubg 2- and 3-ply checker play. Wonder what XT 3- 4- and Roller++++ say. Should have rolled out a recube, oh well.

Unlimited Match. Blue on roll.

White	48
Blue	129
Position ID: 3g4AQMC22wAIAQ Match ID: cAkAAAAAAAAE

Cube decision
Rollout cubeless equity		+0.5473
Cubeful equities:
1.	Double, take	+0.9576
2.	Double, pass	+1.0000	+0.0424
3.	No double	+0.9414	-0.0162
Proper cube action:		Double, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.7806 0.0000 0.0000 - 0.2194 0.0134 0.0004 +0.5473 +0.9414 Standard error 0.0010 0.0000 0.0000 - 0.0010 0.0005 0.0000 0.0020 0.0045 Player White owns 2-cube 0.7762 0.0000 0.0000 - 0.2238 0.0095 0.0003 +1.0852 +0.9576 Standard error 0.0010 0.0000 0.0000 - 0.0010 0.0005 0.0001 0.0043 0.0052
Full cubeful rollout with var.redn.
2592 games, Mersenne Twister dice gen. with seed 913024920 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]

Cube decision
Rollout cubeless equity		+0.5732
Cubeful equities:
1.	Double, pass	+1.0000
2.	Double, take	+1.0023	+0.0023
3.	No double	+0.9795	-0.0205
Proper cube action:		Double, pass
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.7956 0.0000 0.0000 - 0.2044 0.0173 0.0006 +0.5732 +0.9795 Standard error 0.0006 0.0000 0.0000 - 0.0006 0.0004 0.0000 0.0012 0.0028 Player White owns 2-cube 0.7866 0.0000 0.0000 - 0.2134 0.0112 0.0004 +1.1234 +1.0023 Standard error 0.0008 0.0000 0.0000 - 0.0008 0.0005 0.0001 0.0032 0.0042
Full cubeful rollout with var.redn.
2592 games, Mersenne Twister dice gen. with seed 913024920 and quasi-random dice
Play: grandmaster 3-ply cubeful prune [grandmaster]
keep the first 0 0-ply moves and up to 16 more moves within equity 0.32
Skip pruning for 1-ply moves.
keep the first 0 2-ply moves and up to 4 more moves within equity 0.08
Cube: 2-ply cubeful prune [world class]

Messages In This Thread

• Cube action vs 5 off
  Daniel Murphy -- Sunday, 26 February 2012, at 3:27 a.m.
  • Cube action vs 5 off
    pontiac -- Sunday, 26 February 2012, at 6:51 a.m.
  • XG results..
    pontiac -- Sunday, 26 February 2012, at 7:43 a.m.
    • XG results.. (5, 6 ply)
      pontiac -- Sunday, 26 February 2012, at 7:47 a.m.
      • XG RO
        pontiac -- Sunday, 26 February 2012, at 7:51 a.m.
        • 4 ply XG RO
          neilkaz -- Sunday, 26 February 2012, at 4:11 p.m.
          • 4 ply XG RO
            Daniel Murphy -- Sunday, 26 February 2012, at 4:53 p.m.
  • Cube action vs 5 off
    Stick -- Sunday, 26 February 2012, at 8:46 a.m.
  • How often does the prime fail to roll home?
    RolldUpTrips -- Sunday, 26 February 2012, at 11:43 a.m.
  • Variation I Would Like To See
    Paul Weaver -- Sunday, 26 February 2012, at 2:06 p.m.
    • Variation I Would Like To See
      garyo -- Sunday, 26 February 2012, at 2:42 p.m.
    • Variation I Would Like To See
      Mr Majestyk -- Sunday, 26 February 2012, at 3:22 p.m.
  • Cube action vs 5 off
    David Rockwell -- Sunday, 26 February 2012, at 3:35 p.m.