Author: Dave Gomboc
Date: 18:01:13 12/09/98
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On December 09, 1998 at 12:39:28, Ren Wu wrote: >On December 09, 1998 at 06:36:02, Mark Young wrote: > >>Many of use have played over the games of Deep Blue Vs GM Kasparov , and Rebel >>10 Vs GM Anand. >> >>My question is what do you think would be the stronger chess program, and by how >>much: >> >>Deep Blue, or Rebel 10 (K6 450Mhz) * 1000 > >I think that Deep Blue is still better. Every programmer know that when you have >more computing power, often it is necessary to adjust the program a bit to take >the full advantage. And 1000 x is a huge speed up. (Another example I learn from >here is that Genius is stronger at slower hardware, and having hard time compete >with null mover at fast hardwares. So maybe we need something else than Rebel's >algorithm or null mover to take this 1000x advantage. Personly I will definetely >try more along selective extension than selective reducing if I have such >computing power) > >In fact you can find this out by some experiment. Why don't you select some >hard/interesting moves from DB-GK match and post it here. And let the people who >happen to own Rebel 10 to run it at longer time, say 3 minutes x 1000? And then >we can compare who's move is really better. Maybe there are enough people here >who is willing to run those positions. > >Ren. Well, I think we've already identified a few positions like that. "36. axb5" and "37. Be4" come to mind. People have run their machines on certain positions from GK vs DB for weeks without coming up with what Deep Blue was able to see. A position that interested me was when Deep Blue played Ra3 in order to double rooks on the closed, but openable, a-file in the second game. I'm interested to know if any software released _before_ that match is able to find and lock onto this move for two or three iterations. Also, any software that can do it today is of course interesting as well. Dave Gomboc
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