Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: EPD and the real world {ChessAssistant output}

Author: Bruce Moreland

Date: 02:17:47 10/06/05

Go up one level in this thread


On October 06, 2005 at 02:35:39, Dann Corbit wrote:

>On October 06, 2005 at 01:34:15, Bruce Moreland wrote:
>
>>On October 05, 2005 at 23:05:29, Dann Corbit wrote:
>>
>>>This is ChessAssistant analysis created by Chess Tiger:
>>>
>>>rnbq1rk1/4bppp/p2p1n2/1p2p3/4P3/1NN5/PPP1BPPP/R1BQ1R1K w - - ce 38; acd 15; acs
>>>1; pv Nd5 Nxd5 Qxd5 Ra7 Be3 Be6 Qd2 Rd7 f4 exf4 Rxf4 Nc6 Raf1 Bg5 R4f3 Bxe3 Qxe3
>>>f6; pm Nc3d5;
>>        ^^ This violates the standard, FYI.
>
>Every EPD processor that I know of violates the standard, even the one that SJE
>wrote (there is no such field as acd, which turns out to be the most important
>field in the record most of the time -- without information about the depth of
>analysis, the score is meaningless.  And time means little because 60 seconds on
>a 300 MHz PII will get whomped by a few seconds on an 8 CPU AMD 64 bit machine.)

I'm convinced that huge numbers of things are like this:

1) They look fine if you glance at them superficially.
2) They are pretty terrible if you take a closer look.
3) They work well enough that it is politically impossible to fix them.

We saw the consequence of this recently with Katrina.

bruce



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.