Gata Kamsky and Anna Zatonskih both scored victories to pull even with the front-runners in their respective fields. Zatonskih has her biggest test tomorrow when she faces tourney co-leader Irina Krush.
Hikaru Nakamura dispatched co-leader Gregory Kaidanov to inch ahead in the U.S. Championships, while the Iri(y)nas played to a draw, as did Anna Zatonskih to keep a three-way tie atop the U.S. Women's leaderboard.
IM Anna Zatonskih asserted her dominance with her second-straight win in the U.S. Women's Championships to take a half-point lead over the rest of the field. The U.S. Championship features a six-way tie for first.
All but three of the games from the first rounds of the 2012 U.S. Championship and U.S. Women's Championship were decisive as the competitors demonstrated their desire to play fighting chess to compete for the respective titles.
The 2012 U.S. Championships kicked off in Saint Louis in a big way as the Chess Club and Scholastic Center of Saint Louis and the World Chess Hall of Fame unveiled a Guinness World Record. Round one begins today at 1 p.m. CT.