Author: Mark Mason
Date: 06:33:15 11/16/05
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On November 16, 2005 at 09:13:52, Ted Summers wrote: >The following quote comes from Chessbase: >http://www.chessbase.com/newsdetail.asp?newsid=2686 > >" The properties of a chess position are largely determined by the pawn >structure, and this is where Fritz 9 has received much more generalised chess >knowledge than its predecessor. Another touchy point is king safety. Unlike >human beings chess programs tend to be oblivious to dangers looming against the >king until these dangers are revealed in concrete variations which the program >can calculate. This weakness is not immediately obvious when you play computers >against each other, but when they encounter strong opponents it may spell their >downfall. > >Fritz 9 has also been greatly improved in this area and can detect long-term >threats against the king long before they appear in the search tree. This does >not just lead to better defensive play, it also causes the program to sense >potential dangers to the enemy king and lauch devastating attacks based on these >weaknesses. So it becomes more and more difficult to play “anti-computer chess” >against the program, while at the same time it has become an even more dangerous >opponent for human players." > >Now as to the second paragragh of this qoute, so what are the weakness of this >approach? Lastly I wonder what "Father" would have to say about the >"anti-computer" comment. > >Thanks Ted, I would ask all doubters to please believe "Father" when he posts on here that he beats Fritz 9 and Fruit 2.2 and Shredder 9...I've seen it with my own eyes ! A couple of evenings ago on Playchess.com server, I played against 2 opponents (one was around 2100 elo and the other around 2400) who were playing as humans against my engine. They both managed to beat my Fritz 9 on 5 minute blitz (they won on time) and when I asked how, they said they had had 1 hour coaching on anti-computer chess from "Father". I have to say I was impressed. When I played through the games a clear pattern of play emerges whereby the "anti-comps" build a very locked in and cramped structure (stonewall/Maroczy pawn chain formations), and then do small repeating moves very quickly eg King backwards and forwards to same 2 squares, whilst the engine tries to find a way through the blockade. The engine then loses on time before it can force a win. In their own words.....it's easy with practice !!! Mark
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