Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Zappa: 2.5 seconds

Author: Anthony Cozzie

Date: 04:20:37 07/11/04

Go up one level in this thread


On July 11, 2004 at 03:50:45, Frank Phillips wrote:

>On July 10, 2004 at 21:49:04, Anthony Cozzie wrote:
>
>>On July 10, 2004 at 18:24:26, Jon Dart wrote:
>>
>>>I have recently modified Arasan so that it can display 2nd and 3rd-best
>>>moves for each test position. Using this I have gone through my
>>>previously released test suite and some other tests I have collected
>>>recently (mostly from Arasan games), and weeded out positions that
>>>don't have unique good moves. I also removed some that were too easy.
>>>The latest version is at http://www.arasanchess.org/arasan4.epd.
>>>Any comments or corrections welcome. Last I ran this, Arasan was getting
>>>about 95 out of 115 correct at 60 seconds/move.
>>>
>>>The last test is interesting and wasn't solved at the 60 second mark:
>>>
>>>[D] 2kr3r/Rbpnq3/1p1pp3/2P3p1/3P4/2P1P1p1/Q2N1PP1/4KB2 w - -
>>>
>>>best move Rxb7. Phalanx played this in a test game (Arasan is getting a + score
>>>over Phalanx overall in my tests now, but Phalanx is particularly good at
>>>tactical shots and is still a tough opponent).
>>>
>>>--Jon
>>
>>1. Bf1-a6 g3xf2 2. Ke1-e2 f2-f1=Q 3. Nd2xf1 d6xc5 4. Ba6xb7 Kc8-b8 5. Qa2-a6
>> = (-1.41)	Depth: 7/26	00:00:02.22	790kN
>>1. Ra7xb7 g3xf2 2. Ke1-d1 Nd7-b8 3. Qa2-a8 Kc8-d7 4. Rb7xc7 Kd7xc7 5. Qa8-a7
>>Kc7-c8 6. Qa7xe7
>> = (4.10)	Depth: 7/26	00:00:02.52	984kN
>>1. Ra7xb7 g3xf2 2. Ke1-d1 Nd7-b8 3. Qa2-a8 Kc8-d7 4. Bf1-b5 Nb8-c6 5. Bb5xc6
>>Kd7xc6 6. Rb7xb6 Kc6-d7 7. Qa8-a4 Kd7-c8 8. Qa4-a6 Kc8-d7 9. Qa6-b5 Kd7-c8 10.
>>Rb6-b8
>> =   MAT10	Depth: 11/33	00:01:16.88	58547kN
>>
>>Zappa is not very good at getting deep PVs, so it takes some time for the mate
>>score :(
>>
>>anthony
>
>SE ?
>
>Frank

Nope.  I've been experimenting with SE, but all of my experiments have ended in
failure.

anthony



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.