Author: Slater Wold
Date: 11:15:58 04/17/02
Go up one level in this thread
On April 17, 2002 at 13:50:10, K. Burcham wrote: > > >I am only interested in the 1997 Deep blue. >we know changes were made between the 1996 match >and the 1997 match that increased the strength. not only >in knowledge and software, but there was also a substantial >increase in kns with hardware improvements. below is taken from IBM >site. if all this is true, then 1997 Deep Blue was probably stronger than >1996 Deep Blue. > >thanks slate, >kburcham Then there are only 2 positions that are "difficult". You can find them on that same site. >The current version >The latest iteration of the Deep Blue computer is a 32-node IBM RS/6000 SP >high-performance computer, which utilizes the new Power Two Super Chip >processors (P2SC). Each node of the SP employs a single microchannel card >containing 8 dedicated VLSI chess processors, for a total of 256 processors >working in tandem. Deep Blue's programming code is written in C and runs under >the AIX operating system. The net result is a scalable, highly parallel system >capable of calculating 100-200 billions moves within three minutes, which is the >time allotted to each player's move in classical chess. > >Improvements in this year's model >The most prominent improvement in Deep Blue is its speed. The computer is now >running on a faster system, the latest version of the RS/6000 SP, which employs >the Power Two Super Chip (P2SC) processors. "That will give us a factor of two >speed-up over the system that played last year," says Deep Blue developer Murray >Campbell. "And in chess programs, speed is very important. The faster you are, >the stronger you play." > >This means that Deep Blue will be able to examine and evaluate twice as many >chess positions per second than last year. Exactly how many? According to the >development team, Deep Blue will be able to explore 200,000,000 positions per >second. Incidentally, Garry Kasparov can examine approximately three positions >per second. > >Deep Blue's "chess knowledge" has been significantly enhanced over the past 12 >months through the efforts of team consultant and international grandmaster Joel >Benjamin. Garry Kasparov is certainly a great chess player -- perhaps the >greatest in history -- but the new and improved Deep Blue offers a challenge >that even the world champion has yet to experience. > >The increase in computing power will also allow Deep Blue to adapt to new >strategies as the game progresses. Those following last year's match will >remember that Kasparov eventually defeated Deep Blue by switching strategies >mid-game. The development team feels that this tactic will not be as effective >this time around. > >Deep Blue's chess knowledge has also increased over the past 12 months. "We >spent a lot of time, several months, working with a grandmaster, Joel Benjamin," >states Campbell. "There are sometimes things that a grandmaster knows that are >sometimes difficult to put into a computer program. We are working hard to get >to know as much about chess as possible."
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