Computer chess built in by the evaluation function and pruning/extension rules began to match the best players in the world. It turned out to produce excellent results, at least in the field of chess, to let computers do what they do best (calculate) rather than coax them into imitating human thought processes and knowledge. In 1997 Deep Blue defeated World Champion Garry Kasparov, marking the first time a computer has defeated a reigning world chess champion in standard time control. Computer chess programs consider chess moves as a game tree. In theory, they examine all moves, then all counter-moves to those moves,
1997 Champion Hurdle 1997 Champion Hurdle The 1997 Champion Hurdle was a horse race held at Cheltenham Racecourse on Tuesday 11 March 1997. It was the 68th running of the Champion Hurdle. The winner was Peter Deal's Make A Stand, a six-year-old chestnut gelding trained in Devon by Martin Pipe and ridden by A. P. McCoy. Make A Stand's victory was a first in the race for both jockey and owner: Pipe had previously won the race with Granville Again in 1993. Make A Stand, formerly a moderate flat racer, but the winner of his last four hurdle races, started the 7/1 fourth