Hello chase,
Friday, February 23, 2007, 10:21:30 AM, you wrote:
cff> I interrupted and saved a rollout, then resumed it the next day. After
cff> letting it run for a few hours, I noticed that the display had the plays
cff> ranked in the wrong order. The play with the highest equity (0.012) was
cff> ranked 5th, while a play with a worse equity (-0.014) was ranked 1st.
cff> I've attached a screen print of the erroneous display, as well as a copy
cff> of the gnu file before I resumed the rollout. (Note: this rollout has
cff> been stopped, saved, and resumed several times. I can't say for sure
cff> whether this display problem occurred on the earlier resumes, but I
cff> don't believe it did.) I'm running the 0.16 - November 14 2006 build on
cff> Windows XP.
cff> Chase
cff> --
cff>
cff> [EMAIL PROTECTED]
I too have noticed the same problem. Attached is a rollout of a nack position
that illustrates the issue.
--
Best regards,
Chris
mailto:[EMAIL PROTECTED]
The score (after 0 games) is: gnubg 0, ChrisW 0 (match to 1 point),
post-Crawford play
Match Information:
Date: February 21, 2007
Move number 4: X to play 22
GNU Backgammon Position ID: 4Dl4ACvgOXgANg
Match ID : cAkpAAAAAAAA
+13-14-15-16-17-18------19-20-21-22-23-24-+ O: gnubg
| X O | | O X X | 0 points
| X O | | O X X |
| X O | | O |
| X | | O |
| | | |
v| |BAR| | 1 point match (Cube: 1)
| | | |
| O | | X |
| O X | | X |
| O X | | X O | Rolled 22
| O X | | X O O O | 0 points
+12-11-10--9--8--7-------6--5--4--3--2--1-+ X: ChrisW
Pip counts: O 191, X 194
Rolled 22: 1. Rollout 23/21(2) 6/4(2) MWC: 50.35%
50.3% 14.9% 0.9% - 49.7% 12.8% 0.7% CL 50.35%
[ 0.4% 0.5% 0.1% - 0.4% 0.4% 0.2% CL 0.42%]
Truncated cubeless rollout (depth 11) (trunc. at one-sided bearoff)
with var.redn.
72 games, Mersenne Twister dice gen. with seed 1022812270 and
quasi-random dice
Stop when best play is enough JSDs ahead: limit 1.96 (min. 36 games)
Play: 2-ply cubeless prune
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
2. Rollout 13/11(2) 6/4(2) MWC: 51.14% ( 0.79%)
51.1% 17.1% 1.4% - 48.9% 13.1% 0.7% CL 51.14%
[ 0.3% 0.5% 0.2% - 0.3% 0.3% 0.0% CL 0.34%]
Truncated cubeless rollout (depth 11) (trunc. at one-sided bearoff)
with var.redn.
72 games, Mersenne Twister dice gen. with seed 1022812270 and
quasi-random dice
Stop when best play is enough JSDs ahead: limit 1.96 (min. 36 games)
Play: 2-ply cubeless prune
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
3. Rollout 23/21 13/11 6/4(2) MWC: 49.06% ( -1.29%)
49.1% 15.9% 1.2% - 50.9% 15.8% 1.2% CL 49.06%
[ 0.6% 0.6% 0.1% - 0.6% 0.6% 0.2% CL 0.57%]
Truncated cubeless rollout (depth 11) (trunc. at one-sided bearoff)
with var.redn.
36 games, Mersenne Twister dice gen. with seed 1022812270 and
quasi-random dice
Stop when best play is enough JSDs ahead: limit 1.96 (min. 36 games)
Play: 2-ply cubeless prune
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
4. Rollout 24/22 23/21 6/4(2) MWC: 49.10% ( -1.24%)
49.1% 13.3% 0.8% - 50.9% 13.3% 0.6% CL 49.10%
[ 0.6% 0.5% 0.1% - 0.6% 0.6% 0.1% CL 0.65%]
Truncated cubeless rollout (depth 11) (trunc. at one-sided bearoff)
with var.redn.
36 games, Mersenne Twister dice gen. with seed 1022812270 and
quasi-random dice
Stop when best play is enough JSDs ahead: limit 1.96 (min. 36 games)
Play: 2-ply cubeless prune
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
5. Cubeful 2-ply 24/20 6/4(2) MWC: 54.37% ( 4.02%)
54.4% 16.2% 0.9% - 45.6% 12.1% 0.5%
2-ply cubeful prune [world class]
Output generated Wed Feb 21 18:28:44 2007
by GNU Backgammon 0.14.3-devel (Text Export version 1.70)
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