Somvang, Somphasong
Current rating: 1489
Record: 6-8
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 270 | Nielsen, Bill (1617) | Won 2-1 | +201518 |
| 2sealed | 13 | Pauloff, Nicholas (1881) | Lost 0-0 | -111507 |
| 3sealed | 362 | Edgar, Alex (1531) | Lost 1-2 | -181489 |
| top | average opponent: 1676record: 1-2 | new rating: 1489 | ||
| Grand Prix Baltimore 2014 (KTK limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 308 | Lasky, David (1500) | Won 2-0 | +191490 |
| 2sealed | 268 | Labutka, Adam (1533) | Lost 0-2 | -171473 |
| 3sealed | 492 | Titus, Levi (1497) | Won 2-0 | +181491 |
| 4sealed | 218 | Bromley, Marc (1524) | Won 2-0 | +191510 |
| 5sealed | 213 | Beasley, Orrin (1877) | Lost 0-2 | -121498 |
| top | average opponent: 1586record: 3-2 | new rating: 1498 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 686 | Heilker, David (1500) | Won 2-1 | +191483 |
| 2standard | 611 | Campbell, Allen (1518) | Won 2-1 | +181501 |
| 3standard | 670 | Bland, Richard (1795) | Lost 1-2 | -121489 |
| 4standard | 810 | Bourroughs, Chris (1534) | Lost 0-2 | -181471 |
| top | average opponent: 1587record: 2-2 | new rating: 1471 | ||
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 21 | Balandin, Alex (1500) | Lost 0-0 | -181482 |
| 2sealed | 143 | Paynter, Julie (1482) | Lost 0-0 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||