Author: Albert Silver
Date: 15:00:02 05/12/00
Go up one level in this thread
On May 12, 2000 at 06:23:04, Graham Laight wrote:
>On May 12, 2000 at 05:36:40, Dann Corbit wrote:
>
>>On May 12, 2000 at 05:22:45, Jouni Uski wrote:
>I think it is interesting in terms of categorising programs as either brute
>force or knowledge based (though just because you're slow, that doesn't
>necessarily mean that you're clever).
I couldn't agree more. I never assumed being slow was in fact clever.
>
>>MCP8, Diep, CS-Tal and others will get several orders of magnitude less nodes
>>than that. But they are equal or better at playing chess.
>>
>>Go figure.
>
>What Dann seems to be saying is that a program with a high NPS per megahertz
>could have a "search knowledge profile" something like this:
>
> ply |-------------------------------------------------------------|
> | $$$ # |
>25 | $$$ # |
> | # ## |
>20 | ## ####### |
> | ######## ############# |
>15 | ############## #################### |
> | ###################### ########################### |
>10 |#############################################################|
> |#############################################################|
>5 |#############################################################|
> |#############################################################|
> |-------------------------------------------------------------|
>
> Breadth of knowledge
>
>Where the # represents good knowledge, and the $ represents areas where the
>knowledge would be most valuable in this particular position.
>
>However, in the same position, slower searching (but more knowledge
>rich)programs that play equally well might have a profile more like this one:
Nice try but we know the truth:
>
> ply |-------------------------------------------------------------|
> | ~ ~ ~ $$~ ~ ~ ~ ~ ~ ~ |
>25 | ~ ~ ~ ~ ~$$ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~|
> |~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~|
>20 | ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ |
> |~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~|
>15 | ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ ~~ |
> |~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~~~ ~|
>10 |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
> |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
>5 |#############################################################|
> |#############################################################|
> |-------------------------------------------------------------|
>
> Screenshot of D-Day on the ZX-81
- $ represents the ships
- ~ rperesents the water
- # represents the beachhead
Pretty cool, got any more?
Albert Silver
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.