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Rollouts

Posted By: John O'Hagan
Date: Wednesday, 21 December 2016, at 10:06 p.m.

In Response To: 61P-61P-42. (A) DMP (B) GS (John O'Hagan)

After 10k rollouts, P is very slightly better than U at DMP:





White is Player 2

score: 0
pip: 160
1 point match
pip: 160
score: 0

Blue is Player 1
XGID=-b----EBB---dD---bbe----B-:0:0:1:42:0:0:0:1:10
Blue to play 42

1.Rollout18/4 6/4eq: +0.043
Player:
Opponent:
52.13% (G:19.26% B:2.53%)
47.87% (G:14.44% B:1.99%)
Conf.: ± 0.002 (+0.041...+0.045) - [99.4%]
Duration: 2 hours 12 minutes
2.Rollout124/22 24/20eq: +0.039 (-0.004)
Player:
Opponent:
51.95% (G:14.31% B:1.84%)
48.05% (G:14.56% B:1.53%)
Conf.: ± 0.002 (+0.037...+0.041) - [0.6%]
Duration: 2 hours 25 minutes
3.Rollout224/20 13/11eq: +0.019 (-0.024)
Player:
Opponent:
50.94% (G:15.88% B:2.01%)
49.06% (G:16.73% B:2.23%)
Conf.: ± 0.006 (+0.013...+0.025) - [0.0%]
Duration: 18 minutes 57 seconds
4.Rollout224/22 13/9eq: +0.016 (-0.027)
Player:
Opponent:
50.79% (G:17.21% B:1.86%)
49.21% (G:15.60% B:1.71%)
Conf.: ± 0.005 (+0.010...+0.021) - [0.0%]
Duration: 17 minutes 58 seconds
1 10368 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

2 1296 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

U comes out slightly ahead at GS:





White is Player 2

score: 0
pip: 160
2 point match
Crawford
pip: 160
score: 1

Blue is Player 1
XGID=-b----EBB---dD---bbe----B-:0:0:1:42:1:0:1:2:10
Blue to play 42

1.Rollout124/22 24/20eq: -0.234
Player:
Opponent:
51.79% (G:14.95% B:2.05%)
48.21% (G:13.50% B:1.03%)
Conf.: ± 0.003 (-0.237...-0.231) - [99.7%]
Duration: 2 hours 08 minutes
2.Rollout18/4 6/4eq: -0.240 (-0.005)
Player:
Opponent:
51.42% (G:19.09% B:2.85%)
48.58% (G:13.40% B:1.71%)
Conf.: ± 0.003 (-0.242...-0.237) - [0.3%]
Duration: 1 hour 59 minutes
3.Rollout224/22 13/9eq: -0.269 (-0.034)
Player:
Opponent:
50.35% (G:16.81% B:2.09%)
49.65% (G:13.77% B:1.49%)
Conf.: ± 0.008 (-0.276...-0.261) - [0.0%]
Duration: 16 minutes 32 seconds
4.Rollout224/20 13/11eq: -0.273 (-0.039)
Player:
Opponent:
50.49% (G:16.21% B:2.42%)
49.51% (G:14.16% B:1.51%)
Conf.: ± 0.007 (-0.281...-0.266) - [0.0%]
Duration: 16 minutes 43 seconds
1 10368 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

2 1296 Games rolled with Variance Reduction.
Moves: 3-ply, cube decisions: XG Roller

eXtreme Gammon Version: 2.10, MET: Kazaross XG2

I would have quickly made the 4-point at either score while the XGR++ eval likes U at both scores.

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