Author: Telmo Escobar
Date: 15:05:17 02/27/04
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On February 27, 2004 at 06:07:19, Geert van der Wulp wrote: >Hello to all, > >I am interested in knowing which engines GM's use for evaluation of their games. >Anyone has info about that? > >Thank you in advance, > >Geert I think GM's use engines for quick detection of possible blunders and deep analysis of wildly complicated positions. In understanding positions, no engine can yet compete with top human players. But humans are prone to blunders during analysis, not dangerous really as they eventually correct those mistakes- but having an engine as kibitzer saves a lot of time. Also, analysis of very complicated positions is still hard work even for world champions, so engines are again a welcome tool for doing that quickly and painlessly. The technique to analyse your own games, provided you are a strong player, is more or less the following: first you surely know where lie several critical moments of the game, when you -or your adversary- could go astray. I want to say that you don't care if Fritz evaluates a position as "-0.67" or Anaconda says "-0.49". You feel that White is fine there and you basically ignore what your silicon friends whisper. Eventually a position arises when you are not so sure what's the correct move, or you want to analyse a variation that didn't happen in the game. Then you pay more attention to what they say. For instance, in the game you played 23.Rg3 but you feel that could be a fatal turning point for your game. So, when Junior evaluates 23.Rg3 as "-0.90" but thinks 23.Bd4 would be "0.25" you instantly become interested: you're more or less sure that 23.Rg3 was a positional mistake and are open to sensible suggestions- so you start analysing the position after 23.Bd4. Even here you tend to rely on your own intuition, not on what Junior tells you... The engine you choose for analysis depends upon manifold circumstances. If you have Chess Tiger but not Hiarcs, you of course have to use Tiger. If you have both Junior and Rebel, you could use the engine you loves better or the one you guess will understand more about the current type of position. Maybe you like to use the engine whose "style" better resembles yours, maybe you pay more attention to the opposite one: you are a genius making deep plans in closed positions, but you could easily go astray when the position opens- so you pay close attention to Junior, Fritz or Nimzo as these engines are regarded as great tacticians. The engine you use don't have to be the stronger one in the market: some years ago there was gossip that Anand did still prefer Hiarcs 7.32 even when some newer engines were regarded as stronger by the masses.
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