Even so, a chess-playing computer looking ahead seven plies might consider as many as 50 or 60 billion scenarios each time its turn comes around.

After sifting through the myriad possibilities, a chess-playing computer tries to choose the move that will leave it in the strongest position.

Kishon was a lifelong chess enthusiast, and took an early interest in chess-playing computers.

But the advent of strong chess-playing computers that can be used for training and extensive databases of games has fueled an extraordinary youth movement.

But he gave up tournament chess to become the world's leading correspondence player, winning that world championship, and to build a chess-playing computer.

Deep Blue was a chess-playing computer developed by IBM.

But the advent of powerful and inexpensive chess-playing computers and improved wireless technology has made it easier to cheat.

Are the top chess-playing computers pulling their punches against one another and saving their real strengths for matches with humans?

Some people fondly believe that chess-playing computers work by internally trying out all possible combinations of chess moves.

The first of the three, Deep Blue, is a purely logic-driven chess-playing computer.