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64S-21H-51 — Unlimited Games — 3-ply XG2 Rollouts
Posted By: Taper_Mike In Response To: Nactations of 64S-21H-51 (Taper_Mike)
Date: Thursday, 2 May 2013, at 9:37 p.m.
64S-21H-51 Position ID: 4GvkATDgc+EBUA Match ID: cIkGAAAAAAAA
64S-21H-51 — Unlimited Games Bot Seed Equity Nacbracs Link GnuBg 2-ply Trunc 682604409 –150.105 [S U2 B28] /0.360t Taper_Mike XG 2.xx 3-ply [Dmitriy 5k + Mike 31k] –113.6 [U S14] /36 [XG2 Aggregate] XG 2.00 3-ply 685676 –108.8 [U S17] "<5 Dmitriy Obukhov XG 2.10 3-ply, Cubes: XGR 85804488 –114.4 [U S13] "<=31 Taper_Mike XG 2.10 XGR++ Eval [XGR++ seed] –107.7 [U S15 B33] "&e Taper_Mike Key: B (Both) = bar/20 9/8, S (Split) = bar/24 13/8, U (Up) = bar/20 24/23
I asked about this position on a single line near the end of my post entitled Nactations of 64S-21H-51. I suspect if I had posed the question more prominently, I would have had some takers. Below are a pair of XG2 rollouts that both have coming under gun as slightly better than remaking the 1pt. Coming under the gun may play better here than in other circumstances because you get to advance the rear checker to the 23pt, where it threatens any blot the opponent may leave on his bar point or 8pt.
Thanks to Dmitriy for sending his rollout.
Mike
Rollout by Dmitriy Obukhov
White is Player 2
score: 0
pip: 164Unlimited Game
Jacoby Beaverpip: 164
score: 0
Blue is Player 1XGID=-b----E-CA--dDa--bae----AA:0:0:1:15:0:0:3:0:10 Blue to play 15
1. Rollout1 Bar/20 24/23 eq: -0.1088
Player:
Opponent:47.67% (G:13.88% B:0.87%)
52.33% (G:17.02% B:0.80%)Conf.: ±0.0089 (-0.1177...-0.1000) - [99.7%]
Duration: 22 minutes 21 seconds2. Rollout1 Bar/24 13/8 eq: -0.1255 (-0.0166)
Player:
Opponent:46.71% (G:14.52% B:0.79%)
53.29% (G:15.82% B:0.85%)Conf.: ±0.0076 (-0.1331...-0.1178) - [0.3%]
Duration: 19 minutes 54 seconds1 5184 Games rolled with Variance Reduction.
Dice Seed: 685676
Moves and cube decisions: 3-plyRollout by Dmitriy Obukhov
2011-Sep-07
eXtreme Gammon Version: 2.00
64S-21H-51-do.xgp
[U S17] "<5eXtreme Gammon Version: 2.10
Rollout by Taper_Mike
White is Player 2
score: 0
pip: 164Unlimited Game
Jacoby Beaverpip: 164
score: 0
Blue is Player 1XGID=-b----E-CA--dDa--bae----AA:0:0:1:51:0:0:3:0:10 Blue to play 51
1. Rollout1 Bar/20 24/23 eq: -0.1144
Player:
Opponent:47.67% (G:13.68% B:0.81%)
52.33% (G:16.97% B:0.80%)Conf.: ±0.0034 (-0.1178...-0.1110) - [100.0%]
Duration: 4 hours 03 minutes2. Rollout1 Bar/24 13/8 eq: -0.1275 (-0.0131)
Player:
Opponent:46.65% (G:14.41% B:0.83%)
53.35% (G:15.67% B:0.84%)Conf.: ±0.0034 (-0.1309...-0.1240) - [0.0%]
Duration: 3 hours 43 minutes1 31104 Games rolled with Variance Reduction.
Dice Seed: 85804488
Moves: 3-ply, cube decisions: XG RollerRollout by Taper_Mike
2013-May-02
eXtreme Gammon Version: 2.10.199.2658
64S-21H-51-tm.xgp
[U S13] "<=31
[U S15 B33] "&eeXtreme Gammon Version: 2.10
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