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How much do crossovers ... RO

Posted By: Daniel Murphy
Date: Sunday, 7 August 2011, at 7:20 p.m.

In Response To: How much do crossovers matter again? (Daniel Murphy)

Take, close.

Normal score. Blue on roll, cube decision?

White	78
Blue	73
Position ID: t+0CwAC23TMAAA Match ID: cAkAAAAAAAAA

Cube decision
Rollout cubeless equity		+0.561
Cubeful equities:
1.	Double, take	+0.988
2.	Double, pass	+1.000	+0.012
3.	No double	+0.822	-0.165
Proper cube action:		Double, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.780 0.002 0.000 - 0.220 0.000 0.000 +0.561 +0.822 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.002 Player White owns 2-cube 0.782 0.001 0.000 - 0.218 0.000 0.000 +1.129 +0.988 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.002
Full cubeful rollout with var.redn.
1296 games, Mersenne Twister dice gen. with seed 924332029 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]

Annotation

Cube analysis
2-ply cubeless equity +0.554
0.776 0.002 0.000 - 0.224 0.000 0.000
Cubeful equities:
1. Double, take +0.965
2. Double, pass +1.000 ( +0.035)
3. No double +0.818 ( -0.147)
Proper cube action: Double, take

Below, a couple of noncontact positions with the same pipcount.

White	78
Blue	73
Position ID: t1WqAgC23TMAAA Match ID: cAkAAAAAAAAA

Cube decision
Rollout cubeless equity		+0.582
Cubeful equities:
1.	Double, pass	+1.000
2.	Double, take	+1.034	+0.034
3.	No double	+0.861	-0.139
Proper cube action:		Double, pass
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.791 0.000 0.000 - 0.209 0.000 0.000 +0.582 +0.861 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.000 0.001 Player White owns 2-cube 0.791 0.000 0.000 - 0.209 0.000 0.000 +1.164 +1.034 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.002
Full cubeful rollout with var.redn.
509 games, Mersenne Twister dice gen. with seed 924401808 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]

White	78
Blue	73
Position ID: 27ZUEAC23TMAAA Match ID: cAkAAAAAAAAA

Cube decision
Rollout cubeless equity		+0.514
Cubeful equities:
1.	Double, take	+0.871
2.	Double, pass	+1.000	+0.129
3.	No double	+0.783	-0.088
Proper cube action:		Double, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.757 0.000 0.000 - 0.243 0.000 0.000 +0.514 +0.783 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.000 0.002 Player White owns 2-cube 0.757 0.000 0.000 - 0.243 0.000 0.000 +1.028 +0.871 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.003
Full cubeful rollout with var.redn.
451 games, Mersenne Twister dice gen. with seed 924401808 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]

White	78
Blue	73
Position ID: 220FMAC23TMAAA Match ID: cAkAAAAAAAAA

Cube decision
Rollout cubeless equity		+0.544
Cubeful equities:
1.	Double, take	+0.941
2.	Double, pass	+1.000	+0.059
3.	No double	+0.820	-0.121
Proper cube action:		Double, take
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.772 0.000 0.000 - 0.228 0.000 0.000 +0.544 +0.820 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.003 Player White owns 2-cube 0.772 0.000 0.000 - 0.228 0.000 0.000 +1.088 +0.941 Standard error 0.000 0.000 0.000 - 0.000 0.000 0.000 0.001 0.004
Full cubeful rollout with var.redn.
190 games, Mersenne Twister dice gen. with seed 924401808 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]

Messages In This Thread

• How much do crossovers matter again?
  Daniel Murphy -- Tuesday, 2 August 2011, at 12:45 a.m.
  • How much do crossovers matter again?
    Kevin Whyte -- Tuesday, 2 August 2011, at 1:16 a.m.
  • How much do crossovers matter again?
    Timothy Chow -- Tuesday, 2 August 2011, at 1:16 a.m.
    • How much do crossovers matter again?
      Kevin Whyte -- Tuesday, 2 August 2011, at 1:21 a.m.
      • Whoops!
        Timothy Chow -- Tuesday, 2 August 2011, at 1:36 a.m.
    • How much do crossovers matter again?
      Taper_Mike -- Tuesday, 2 August 2011, at 6:21 a.m.
  • How much do crossovers matter again?
    Stick -- Tuesday, 2 August 2011, at 2:18 a.m.
  • How much do crossovers matter again?
    neilkaz -- Tuesday, 2 August 2011, at 3:20 a.m.
    • How much do crossovers matter again?
      Bob Koca -- Tuesday, 2 August 2011, at 3:32 a.m.
  • How much do crossovers matter again?
    Casper van der Tak -- Tuesday, 2 August 2011, at 6:59 a.m.
  • How much do crossovers matter again?
    jdg -- Tuesday, 2 August 2011, at 8:30 p.m.
  • How much do crossovers ... RO
    Daniel Murphy -- Sunday, 7 August 2011, at 7:20 p.m.