While their rivals only managed draws, Gata Kamsky and Alexander Onischuk won their games Tuesday in Round 5 of the U.S. Chess Championship. They now lead the championship with 4 points each. Hikaru Nakamura, the defending chess champion, Yuri Shulman, Jesse Kraai and Alexander Stripunsky all trail by half a point. Tuesday, Kamsky had White against Larry Christiansen, who played an off-beat system against the Ruy Lopez. Christiansen ended up with the bishop pair, but Kamsky had more space in the center and a half-open f file to attack Black’s king. That was too much and Kamsky pried open Christiansen’s king position rather easily. Christiansen resigned on …

Source: GameKnot online chess news