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Gnubg RO

Posted By: Daniel Murphy
Date: Sunday, 20 May 2012, at 1:48 a.m.

In Response To: A stronger RO (neilkaz)

Similar to Neil's XG 4-ply:

The score (after 0 games) is: White 1, Blue 3 (match to 5 points)

Move number 2: Blue on roll, cube decision?

White	104
Blue	94
Position ID: 2u5CAUDY+yoCAA Match ID: cAmgABAAGAAE

Cube decision
Rollout cubeless equity		+0.6815	(Money: +0.6625)
Cubeful equities:
1.	Double, pass	+1.0000
2.	Double, take	+1.0115	+0.0115
3.	No double	+0.8519	-0.1481
Proper cube action:		Double, pass
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Centered 1-cube 0.7993 0.0805 0.0054 - 0.2007 0.0211 0.0010 +0.6815 +0.8519 Standard error 0.0006 0.0023 0.0008 - 0.0006 0.0006 0.0002 0.0024 0.0037 Player White owns 2-cube 0.8100 0.1856 0.0078 - 0.1900 0.0241 0.0024 +1.8269 +1.0115 Standard error 0.0008 0.0059 0.0010 - 0.0008 0.0018 0.0007 0.0038 0.0076
Full cubeful rollout with var.redn.
2592 games, Mersenne Twister dice gen. with seed 916209458 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 +0.6993 (Money: +0.6387)
0.7864 0.0878 0.0053 - 0.2136 0.0261 0.0010
Cubeful equities:
1. No double +0.8246
2. Double, pass +1.0000 ( +0.1754)
3. Double, take +0.7978 ( -0.0268)
Proper cube action: No double, take (13.3%)

Cube analysis
4-ply cubeless equity +0.6921 (Money: +0.6350)
0.7874 0.0829 0.0051 - 0.2126 0.0268 0.0010
Cubeful equities:
1. No double +0.8293
2. Double, pass +1.0000 ( +0.1707)
3. Double, take +0.8032 ( -0.0261)
Proper cube action: No double, take (13.3%)

And after double/take and 6-6:

The score (after 0 games) is: White 1, Blue 3 (match to 5 points)

Move number 5: White on roll, cube decision?

White	104
Blue	70
Position ID: 1d4PAADa7kIBQA Match ID: AQGgABAAGAAE

• White doubles

Alert: wrong double ( -0.0587)! [bad]

Cube decision
Rollout cubeless equity		+0.7269	(Money: +0.4313)
Cubeful equities:
1.	No double	+1.0587
2.	Double, take	+1.8321	+0.7735
3.	Double, pass	+1.0000	-0.0587
Proper cube action:		Too good to redouble, pass (7.0%)
Rollout details
Win W g W bg Lose L g L bg Cubeless Cubeful Player White owns 2-cube 0.6598 0.2190 0.0303 - 0.3402 0.1281 0.0096 +0.7269 +1.0587 Standard error 0.0028 0.0047 0.0045 - 0.0028 0.0079 0.0023 0.0076 0.0075 Player Blue owns 4-cube 0.7080 0.2144 0.0178 - 0.2920 0.1219 0.0066 +1.8321 +1.8321 Standard error 0.0017 0.0111 0.0037 - 0.0017 0.0082 0.0015 0.0068 0.0068
Full cubeful rollout with var.redn.
648 games, Mersenne Twister dice gen. with seed 916209458 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 +0.7098 (Money: +0.4539)
0.6779 0.1770 0.0068 - 0.3221 0.0813 0.0043
Cubeful equities:
1. Double, pass +1.0000
2. Double, take +1.7115 ( +0.7115)
3. No double +0.9652 ( -0.0348)
Proper cube action: Redouble, pass

Cube analysis
4-ply cubeless equity +0.7267 (Money: +0.4528)
0.6753 0.1880 0.0079 - 0.3247 0.0881 0.0057
Cubeful equities:
1. Double, pass +1.0000
2. Double, take +1.7013 ( +0.7013)
3. No double +0.9959 ( -0.0041)
Proper cube action: Redouble, pass

Messages In This Thread

• XG+ (Coka-Position D/T - 66 - too good to Redouble)
  Christian Plenz -- Saturday, 19 May 2012, at 4:11 p.m.
  • Rollout with Cube: XGR+
    Christian Plenz -- Saturday, 19 May 2012, at 4:22 p.m.
    • Rollout with Cube: XGR+
      Daniel Murphy -- Saturday, 19 May 2012, at 6:07 p.m.
      • Rollout with Cube: XGR+
        Daniel Murphy -- Saturday, 19 May 2012, at 7:04 p.m.
        • Rollout with Cube: XGR+
          Christian Plenz -- Sunday, 20 May 2012, at 1:23 a.m.
    • A stronger RO
      neilkaz -- Saturday, 19 May 2012, at 6:26 p.m.
      • A stronger RO
        Christian Plenz -- Sunday, 20 May 2012, at 1:26 a.m.
        • 2-ply/3-ply red RO (66 and Blue on Roll)
          Christian Plenz -- Sunday, 20 May 2012, at 1:32 a.m.
      • Gnubg RO
        Daniel Murphy -- Sunday, 20 May 2012, at 1:48 a.m.