Garry Kasparov, left, reigning world chess champion, matches his genius against IBM’s Deep Blue, the ACM international computer chess champion in the second of a six-game match Sunday, Feb, 11, 1996, in Philadelphia. Kasparov outmaneuvered the computer Sunday, rebounding from an opening-round loss to even the series at one win apiece. Moving the chess pieces for IBM’s Deep Blue is Feng-hsiung Hsu, architect and principal designer of the Deep Blue chess machine. (AP Photo/H. Rumph, Jr.)