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51S-54S-62H-41H-51H-52V-65 No Jacoby, No Beavers 2-ply GnuBg Trunc
Posted By: Taper_Mike In Response To: Which bar? #5 : another bonus position (Timothy Chow)
Date: Saturday, 19 April 2014, at 6:59 p.m.
Many are unaware just how good the neural networks are in GnuBg 1.02, so I thought I would post this this trunc for your consideration. It uses settings that mimic XGR++. You can see how close it comes to Tims XG rollout in table below.
There may be a shorter (well-played) sequence that gets to this position, but since seven moves is about at the limit of my retrograde backgammon skills, I am happy to have found this one.
Mike
51S-54S-62H-41H-51H-52V-65 No Jacoby, No Beavers
Opponent 156
Player 187 Position ID: 4PPgAQngeXBAVA Match ID: cAkXAAAAAAAE
# Ply Move Equity • 1 R bar/20 24/18 -0.210379
0.445876 0.098609 0.003048 - 0.554124 0.136185 0.004372 -0.147148 -0.210379 0.000628 0.000599 0.000061 - 0.000628 0.001041 0.000108 0.001500 0.002220 Truncated cubeful rollout (depth 5) with var.redn. 360 games, Mersenne Twister dice gen. with seed 712537442 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] Different evaluations after 2 plies: Play: 1-ply cubeful prune keep the first 0 0-ply moves and up to 8 more moves within equity 0.16 Cube: 2-ply cubeful prune [world class] 2 R bar/20 13/7 -0.219395 ( -0.009016)
0.447609 0.115043 0.003829 - 0.552391 0.161969 0.007241 -0.155120 -0.219395 0.000721 0.000531 0.000071 - 0.000721 0.001215 0.000154 0.001592 0.002316 Truncated cubeful rollout (depth 5) with var.redn. 360 games, Mersenne Twister dice gen. with seed 712537442 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] Different evaluations after 2 plies: Play: 1-ply cubeful prune keep the first 0 0-ply moves and up to 8 more moves within equity 0.16 Cube: 2-ply cubeful prune [world class] 3 R bar/20 8/2 -0.237670 ( -0.027290)
0.437381 0.108513 0.002961 - 0.562619 0.145190 0.005880 -0.164833 -0.237670 0.000725 0.000668 0.000065 - 0.000725 0.001097 0.000131 0.001594 0.002281 Truncated cubeful rollout (depth 5) with var.redn. 360 games, Mersenne Twister dice gen. with seed 712537442 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] Different evaluations after 2 plies: Play: 1-ply cubeful prune keep the first 0 0-ply moves and up to 8 more moves within equity 0.16 Cube: 2-ply cubeful prune [world class]
AnnotationTruncated Rollout by Taper_Mike
2014-Apr-19
GNU Backgammon 1.02.000-mingw
51S-54S-62H-41H-51H-52V-65-n-tm.sgf
n[U D9 C27] '/0.360t
51S-54S-62H-41H-51H-52V-65 — Unlimited Games Bot Seed Equity Nacbracs Link GnuBg 1.02 2-ply 712537442 210.379 n[U D9 C27] '/0.360t Taper_Mike (above) XG 2.10 3-ply, Cubes: XGR 271828 201 n[U D3 C25] "<=5 Timothy Chow XG 2.10 XGR++ Eval [XGR++ seed] 209.8 n[U D14 C25] "&e Taper_Mike Key: C = Cross [bar/20, 8/2], D = Down [bar/20, 13/7], U = Up [bar/20, 24/18]
Nactation Tutorial Explanation of nacbracs Nacbracs for cube actions
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