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From: | Ned Cross |
Subject: | [Bug-gnubg] bad move? |
Date: | Mon, 12 Aug 2002 12:41:10 -0700 |
Either I'm confused, or GNU is with this
crashed position. Evals show the selected move as a huge blunder, while a
quick rollout shows them to be very close.
-Ned
______________________
JLee (O, 2 pts) vs. warmbeach (X, 2 pts)
(Match to 5)
Game number 4
Move number 49: X to play 12
GNU Backgammon Position ID:
TZ0ABD7eBQAAAA
Match ID : QYmoACAAEAAA +13-14-15-16-17-18------19-20-21-22-23-24-+ O: JLee (Cube: 2) | O | | O O O O O | 2 points | | | O O | | | | O | | | | | | | | | v| |BAR| | 5 point match | | | O | X | | | X O | X | | | X X O | X | | | X X O | XX Rolled 12 | O | | X X X O | XX 2 points +12-11-10--9--8--7-------6--5--4--3--2--1-+ X: warmbeach * warmbeach moves 4/3 2/off
Alert: very bad move ( -0.002) Rolled 12 (+0.245):
1. Cubeful
2-ply 4/2
3/2
Eq.: +1.547 0.916 0.767 0.317 - 0.084 0.000 0.000 2-ply cubeful 100% speed, 8 cand., 0.16 tol. [world class] * 2. Cubeful 2-ply 4/3 2/off Eq.: +1.290 ( -0.257) 0.872 0.625 0.390 - 0.128 0.000 0.000 2-ply cubeful 100% speed, 8 cand., 0.16 tol. [world class] 1. Rollout 4/2 3/2 Eq.: +1.665 0.935 0.825 0.744 - 0.065 0.000 0.000 CL +1.685 CF +1.665 [0.002 0.005 0.015 - 0.002 0.000 0.000 CL 0.009 CF +0.009] Truncated cubeful rollout (depth 15) with var.redn. 1296 games, seed 1149056128 using Mersenne Twister Play and cube: 0-ply cubeful [expert] * 2. Rollout 4/3 2/off Eq.: +1.663 ( -0.002) 0.941 0.810 0.760 - 0.059 0.000 0.000 CL +1.657 CF +1.663 [0.003 0.005 0.178 - 0.003 0.000 0.000 CL 0.010 CF +0.011] Truncated cubeful rollout (depth 15) with var.redn. 1296 games, seed 1149056128 using Mersenne Twister Play and cube: 0-ply cubeful [expert] 3. Cubeful 0-ply 3/off Eq.: +0.411 ( -1.254) 0.607 0.440 0.297 - 0.393 0.000 0.000 Output generated Mon Aug 12 12:25:56 2002 by GNU Backgammon 0.12 (Text Export version 1.15) |
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