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Re: [Bug-gnubg] Dropped by move filter


From: Christian Anthon
Subject: Re: [Bug-gnubg] Dropped by move filter
Date: Tue, 24 Jun 2008 01:16:01 +0200

Hi Achim,

I'm not exactly sure what your point is, but since the correct 2ply
move falls outside the 0.160 limit of the "normal" move filter used at
0ply, it is never evaluated at 2ply.

Christian.

On Mon, Jun 23, 2008 at 3:29 AM, Mueller Achim <address@hidden> wrote:
> Hi folks,
>     GNU Backgammon  Position ID: 7WyCAQO23B4ABA
>                     Match ID   : cAn6ABAAGAAA
>     +24-23-22-21-20-19------18-17-16-15-14-13-+  O: gnubg
>     | O  O  O  X  O  O |   |    O             |  1 point
>     |    O  O     O  O |   |                  |
>     |       O          |   |                  |
>     |                  |   |                  |
>     |                  |   |                  |
>     |                  |BAR|                  |v 7 point match (Cube: 1)
>     |                  |   |                  |
>     |                  |   |    X             |
>     |                X |   |    X             |
>     |    X  X     O  X |   | X  X           O |  Rolled 46
>     |    X  X  X  O  X |   | X  X           O |  3 points
>     +-1--2--3--4--5--6-------7--8--9-10-11-12-+  X: ace
>     1. Cubeful 2-ply    21/17*/11                    Eq.:  +0.391
>        0.650 0.139 0.003 - 0.350 0.120 0.003
>         2-ply cubeful prune [world class]
>     2. Cubeful 2-ply    21/17* 8/2                   Eq.:  +0.323 ( -0.067)
>        0.606 0.163 0.003 - 0.394 0.133 0.004
>         2-ply cubeful prune [world class]
>     3. Cubeful 0-ply    21/15 8/4                    Eq.:  +0.384 ( -0.007)
>        0.617 0.068 0.001 - 0.383 0.046 0.001
>         0-ply cubeful prune [expert]
>     4. Cubeful 0-ply    21/11                        Eq.:  +0.334 ( -0.057)
>        0.612 0.050 0.001 - 0.388 0.054 0.001
>         0-ply cubeful prune [expert]
>
> 21/15, 8/4 is dropped by move filter:
>     1. Cubeful 0-ply    21/17*/11                    Eq.:  +0.550
>        0.664 0.158 0.003 - 0.336 0.104 0.004
>         0-ply cubeful prune [expert]
>     2. Cubeful 0-ply    21/17* 8/2                   Eq.:  +0.408 ( -0.142)
>        0.623 0.164 0.003 - 0.377 0.120 0.004
>         0-ply cubeful prune [expert]
>     3. Cubeful 0-ply    21/15 8/4                    Eq.:  +0.384 ( -0.166)
>        0.617 0.068 0.001 - 0.383 0.046 0.001
>         0-ply cubeful prune [expert]
>     4. Cubeful 0-ply    21/11                        Eq.:  +0.334 ( -0.216)
>        0.612 0.050 0.001 - 0.388 0.054 0.001
>         0-ply cubeful prune [expert]
>
>     1. Cubeful 2-ply    21/15 8/4                    Eq.:  +0.434
>        0.617 0.081 0.002 - 0.383 0.044 0.001
>         2-ply cubeful prune [world class]
>     2. Cubeful 2-ply    21/11                        Eq.:  +0.395 ( -0.039)
>        0.618 0.064 0.003 - 0.382 0.053 0.001
>         2-ply cubeful prune [world class]
>     3. Cubeful 2-ply    21/17*/11                    Eq.:  +0.391 ( -0.043)
>        0.650 0.139 0.003 - 0.350 0.120 0.003
>         2-ply cubeful prune [world class]
>     4. Cubeful 2-ply    21/17* 8/2                   Eq.:  +0.323 ( -0.111)
>        0.606 0.163 0.003 - 0.394 0.133 0.004
>         2-ply cubeful prune [world class]
>
> Ciao
> Achim
>
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