Hwang, Songnam E
Current rating: 1467
Record: 6-8
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 540 | Caruthers, William (1500) | Lost 0-2 | -181464 |
| 2sealed | 624 | Holderfield, Drew T (1482) | Won 2-1 | +191483 |
| 3sealed | 654 | Frankowski, John (1500) | Won 2-1 | +181501 |
| 4sealed | 620 | Hollister, Troy (1519) | Lost 0-2 | -181483 |
| 5sealed | 650 | Farris, Billy (1552) | Lost 0-2 | -161467 |
| average opponent: 1511record: 2-3 | new rating: 1467 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Denniser, Andrew (1500) | Lost 1-2 | -181482 |
| 2standard | 298 | Hoffman, Marty B (1482) | Won 2-1 | +181500 |
| 3standard | 223 | Rolen, Ryan R (1483) | Won 2-1 | +181518 |
| 4standard | 258 | Physioc, Emerson (1536) | Lost 0-2 | -181500 |
| 5standard | 72 | Bushard, Ryan (1508) | Lost 1-2 | -181482 |
| 6standard | 283 | Rasmussen, Jake (1480) | Lost 0-2 | -181464 |
| 7standard | 232 | Meadows, Nathaniel (1467) | Lost 1-2 | -181446 |
| 8standard | 175 | Love, Jordan (1446) | Won 2-0 | +181464 |
| 9standard | 119 | Brown, Katrina (1463) | Won 2-0 | +181482 |
| average opponent: 1485record: 4-5 | new rating: 1482 | |||