Chess Skill in Man and Machine by Peter W. (ed) Frey

By Peter W. (ed) Frey

Ten years of extensive attempt on computing device chess have produced striking growth. even though the historical past info and technical info that have been written in 1975 for the 1st variation of this ebook are nonetheless legitimate in such a lot crucial issues, and software program refinements have had a massive impression at the effectiveness of those principles. the present crop of chess machines are functioning at abruptly excessive degrees. The procedure epitomized by means of the sequence of courses constructed by way of David Slate and Larry Atkin at Northwestern within the center Nineteen Seventies (i. e. , a cosmopolitan seek set of rules utilizing little or no chess wisdom) used to be anticipated to arrive an asymptbtic point of functionality no larger than that of a category A participant (USCF ranking among 1800 and 2000). this attitude used to be argued fairly vigorously by means of Eliot Hearst in bankruptcy eight of the 1st variation and was once held at the moment by way of many chess specialists. next occasions have basically tested that the asymptotic functionality point for this kind of seasoned­ gram it not less than as excessive because the grasp point (USCF score among 2200 and 2400). present discussions now concentration upon no matter if the sooner reser­ vations have been fallacious in precept or just underestimated the asymptote. If there's a genuine barrier in order to hinder this sort of application from reaching a global championship point of functionality, it's not obtrusive from the regular development which has been saw over the last decade.

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But actually White has a greater basis for an advantage at the kingside. g4! Entirely justified. The rook on c l is keeping the black pieces in check and the knights are b c d e f g h Here the white queen is not as strong on e4 as it would be on g4. This is especially spelled out by the next move! �g4 fie? This retreat seems forced. 25 . . ± and Black has no satisfactory way to defend the f7 -pawn. For example: 26 ... ilg7?! , with the point 29 ... ig5 t and Black is mated. �f3 8 7 6 5 4 3 2 a b c d e f g h Grandmaster Preparation - Strategic Play 58 White has a fantastic position.

Lt::l bc6?! d4! d5= The black pieces have not become as dominant as they deserve. 1 6 . . lt::l d7?! E1e l = is also no great problem for White. Because Black's pieces are less active, he cannot exploit the slight weakening of the white position. flYc3 �c5 1 9 . . lt::l d4 exd3+ would also give Black a clear positional edge. -tfl White is under extreme pressure and has to defend accurately to keep his head above water. e4? fails to: 8 7 6 5 4 3 1 6 . . lt::l f5 ? is a disaster. , which cannot be recaptured.

It is quite easy to say some general things about weaknesses, but this is hardly the right time and place to do so. Rather I would like to give two examples where a fight for specific squares helped shape the game. The first example is quite classical. Black provokes his opponent into advancing his pawns, j udging that this will weaken rather than strengthen White's position. Taking the identity of his opponent into consideration, this was a monumental gamble. g4 ••. h3 ltlg8!! Ll f5 This had previously been seen as a way to transfer the knight to h4 in order to exchange it; essentially to create more space for the rest of the black pieces.

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