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Rollouts

Posted By: Stick
Date: Wednesday, 19 March 2008, at 9:19 a.m.

In Response To: DMP Play - SW, GNU, or Human? (Stick)

Snowie on 3 ply thinks 5/1 is clear, GNU on 2 ply plays 6/2, and the human OtB played 13/9. I agree 13/9 is correct though I wouldn't put up much of a fight to 6/2. What is special and incomprehensible is how well 5/1 does in the SW rollout?! Anyone have any ideas? The rollout itself is longer than 108 games with the same result, the person who originally sent me the file rolled it out 324 games and 5/1 was a blunder. I set up the position separately to reroll out to make sure their results were correct.

Snowie4 Professional Edition Version 4.7.1 HTML Export

GNU (Green) vs. Snowie (White)
1 point Match
Match to 1. Score Green-White: 0-0




Pip: 56
Pip: 129
#PlyMoveEquity
1Rbar/22 5/1-0.838
0.0% 0.0% 8.1% 91.9% 46.5% 0.3%
95% confidence interval:
- money cubeless eq.: -1.306 ±0.025.
Rollout settings:
Full rollout,
108 games (equiv. 1712 games),
played 3-ply (precise),
random seed, with race database.
2Rbar/22 13/9-0.898 (-0.060)
0.0% 0.0% 5.1% 94.9% 30.8% 0.1%
95% confidence interval:
- money cubeless eq.: -1.208 ±0.014.
Rollout settings:
Full rollout,
108 games (equiv. 3159 games),
played 3-ply (precise),
random seed, with race database.

The score (after 0 games) is: gnubg 0, user 0 (match to 1 point, post-Crawford play)

gnubg56


2X2X '3X4X3X ' ' ' ' '2O

' ' '2O2O4O '2O '2O ' '

user129

Position ID: m3sHAABsz4wBIA Match ID: cIkxAAAAAAAA

# Ply Move Equity
• 1 R bar/22 13/9 -0.8719
0.06400.00000.0000-0.93600.69030.0082 -0.8719 -0.8719
0.00190.00000.0000-0.00190.02350.0018 0.0038 0.0038
Full cubeful rollout with var.redn.
324 games, Mersenne Twister dice gen. with seed 1056419774 and quasi-random dice
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 12 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]
2 R bar/22 5/1 -0.8803 ( -0.0084)
0.05980.00000.0000-0.94020.72180.0118 -0.8803 -0.8803
0.00130.00000.0000-0.00130.02300.0029 0.0026 0.0026
Full cubeful rollout with var.redn.
324 games, Mersenne Twister dice gen. with seed 1056419774 and quasi-random dice
Play: 2-ply cubeful prune [world class]
keep the first 0 0-ply moves and up to 12 more moves within equity 0.16
Skip pruning for 1-ply moves.
Cube: 2-ply cubeful prune [world class]

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