The US Chess Championships 2017 is an 11-round, 12-player tournament, among the very strong members of the USCF. This happens in St. Louis from 29 March to 10 April 2017.
In the opening round, we saw the top seed, Wesley So, slated against the last seed, Alexander Shabalov. So won that game. Another decisive game in Round 1 was the game of Hikaru Nakamura, playing as black, winning against Ray Robson.
US Chess Championships 2017 Round 1 Results