GM Hikaru Nakamura scored a huge victory in round 10 over GM Gata Kamsky, then bested GM Yasser Seirawan in the final round to seal the deal. IMs Irina Krush and Anna Zatonskih both won as well to force a playoff.
Yasser Seirawan got all he could handle from Gata Kamsky who is now in sole possession of first place. In the U.S. Women's field, both Irina Krush and Anna Zatonskih won to maintain a tie with one round to go.
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.