Author: Uri Blass
Date: 22:27:50 06/28/01
Go up one level in this thread
On June 28, 2001 at 20:36:21, Robert Hyatt wrote: >On June 28, 2001 at 15:59:30, Uri Blass wrote: > >>On June 28, 2001 at 15:37:24, Joshua Lee wrote: >> >>>> >>>>That was indeed sad. Most programs of the day could not find those mates. >>>>Speeds of 100 nodes per second were pretty fast back then. Chess 4.x only >>>>did 2600 nodes per second as it won most of the 1970's events... >>> >>> >>>How effective were those 2600 nodes though? Pioneer took several Hours (3:45:00) >>>on a Nadareishvili Study , most programs solve this with millions of nodes >>>instead of 200 like Pioneer! >>> >>>How fast would Chess 4.x be on todays hardware? Can someone get a copy a test it >>>against Crafty or some other program? >>> >>>I mentioned Ostrich but i was confused i am really looking for information about >>>Chaos. Chaos played some extreemly impressive moves for instance: >>> >>>Chaos - Chess 4.0 >>> >>>[D] rq2k2r/3n1ppp/p2bpnb1/8/Np1N4/1B3PP1/PP2Q2P/R1BR2K1 w kq - 0 1 >>> >>>16.Nxe6!! Chaos took 587 seconds to find this move it was searching 4500 nodes >>>every 3 minutes or about 25 a second. >> >>Chaos played it for positional reasons. >>I beliee that programs of today can beat chaos with black inspite of the fact >>that 16.Nxe6 is a correct move. >> >>Uri > > >I'm not so sure. Black is pinned every which way after Nxe6, with the king >stuck in the middle. As I let Crafty search after Ne6 the score drops for >black each iteration... I agree that white is winning but the point is that I expect chaos not to find the right moves later so I guess it is going to lose against top programs of today. Uri
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