Garry Kasparov, one of the strongest world chess champions of all time, also grew into his prime during the rise of computer chess-playing programs. This is Kasparov's story of the evolution of these programs, including his 1997 loss to the IBM-funded Deep Blue, a dedicated chess-playing supercomputer able to analyze 200 million positions per second.      Music: Petak 13Friday13, by Tomo Sombolac