Damian Yu Vs. Sarah Powell Vs. Paul Barbour, show # 6128.

Contestants: Tom Nissley, an online books editor from Seattle, Washington Judy Arnold, a technical writer from Sunnyvale, California Jonathan Corbblah, a chess teacher from Harlem, New York (whose 1-day cash winnings total $13,000) Tom Nissley game 1. Alex announces The IBM Challenge.