Word: hitech
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Dates: during 1985-1985
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...weeks ago in Pittsburgh, Hitech finished first in a ten-team tournament that included four chess masters. Last week it made short work of three weaker machines before taking on the Cray. Two hours into that game, a crack opened up in the Cray's king-side attack, and the minicomputer swooped in for the kill. Says Robert Hyatt, chief designer of the losing program: "We were at its mercy...
...Tchaikovsky Concert Hall, an upset of a different sort was taking place in Denver's Radisson Hotel. The world's top-ranked chess machine, a $14 million Cray X-MP/ 48 supercomputer running a program called Blitz, was about to lose the North American computer-chess championship to Hitech, a rack of custom-made silicon chips attached to a $20,000 Sun minicomputer...
Chess-playing computers generally use a brute-force approach. Looking four to eight moves ahead, they examine every possible play and counterplay and choose the move that minimizes their opponent's gain. The Cray, scanning 100,000 chess moves per sec., can usually come up with a winner. Hitech lacks the Cray's huge memory and powerful processors, but it makes up for that with speed and clever play. Long-term strategy, for example, is controlled by a program named Oracle, which was created by Hans Berliner, an artificial- intelligence expert and former world correspondence-chess champion...