2013 U.S. Championship
Location: St. Louis, Missouri
May 03, 2013 to May 12, 2013
9 rounds
Swiss tournament
Winners: Gata Kamsky, Alejandro Ramirez
May 03, 2013 to May 12, 2013
9 rounds
Swiss tournament
Winners: Gata Kamsky, Alejandro Ramirez
| Place | Player | Score | W | L | D |
|---|---|---|---|---|---|
| 1. | Gata Kamsky | 6.5 / 9 | 4 | 0 | 5 |
| 1. | Alejandro Ramirez | 6.5 / 9 | 5 | 1 | 3 |
| 3. | Timur Gareyev | 6.0 / 9 | 4 | 1 | 4 |
| 3. | Alexander Onischuk | 6.0 / 9 | 3 | 0 | 6 |
| 5. | Conrad Holt | 5.5 / 9 | 4 | 2 | 3 |
| 6. | Varuzhan Akobian | 5.0 / 9 | 3 | 2 | 4 |
| 6. | Joel Benjamin | 5.0 / 9 | 3 | 2 | 4 |
| 6. | Larry Christiansen | 5.0 / 9 | 5 | 4 | 0 |
| 6. | Ray Robson | 5.0 / 9 | 4 | 3 | 2 |
| 6. | Alexander Shabalov | 5.0 / 9 | 5 | 4 | 0 |
| 6. | Kayden Troff | 5.0 / 9 | 3 | 2 | 4 |
| 12. | Yaacov Norowitz | 4.5 / 9 | 2 | 2 | 5 |
| 12. | Sam Shankland | 4.5 / 9 | 3 | 3 | 3 |
| 14. | Benjamin Finegold | 4.0 / 9 | 2 | 3 | 4 |
| 14. | Robert Hess | 4.0 / 9 | 2 | 3 | 4 |
| 14. | Gregory Kaidanov | 4.0 / 9 | 1 | 2 | 6 |
| 14. | Samuel Sevian | 4.0 / 9 | 1 | 2 | 6 |
| 14. | Yury Shulman | 4.0 / 9 | 1 | 2 | 6 |
| 19. | John Daniel Bryant | 3.5 / 9 | 2 | 4 | 3 |
| 20. | Marc Arnold | 3.0 / 9 | 1 | 4 | 4 |
| 20. | Alexander Ivanov | 3.0 / 9 | 1 | 4 | 4 |
| 20. | Melikset Khachiyan | 3.0 / 9 | 0 | 3 | 6 |
| 20. | Jorge Sammour-Hasbun | 3.0 / 9 | 2 | 5 | 2 |
| 20. | Alexander Stripunsky | 3.0 / 9 | 2 | 5 | 2 |