Russ, David C
Current rating: 1487
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 823 | Hotza, Adem (1540) | Lost 0-2 | -181505 |
| 3sealed | 1113 | meadows, rodney z (1499) | Lost 1-2 | -181487 |
| top | average opponent: 1520record: 0-2 | new rating: 1487 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 28 | dos Santos Vieira, Eduardo (1601) | Won 2-0 | +191542 |
| 5sealed | 33 | Jones, Jeff (1502) | Lost 1-2 | -191523 |
| 6sealed | 41 | Ashline, Cory (1488) | Won 2-1 | +181541 |
| 7sealed | 18 | Eason, Anthony (1531) | Lost 0-2 | -181523 |
| 8sealed | 50 | Mehochko, Mark (1565) | Won 2-0 | +181541 |
| 9sealed | 64 | Speranza, Joshua (1516) | Lost 1-2 | -181523 |
| top | average opponent: 1534record: 3-3 | new rating: 1523 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 638 | Anderson, Brett R (1508) | Won 2-0 | +181518 |
| 3standard | 733 | Taylor, Eddie (1536) | Won 2-1 | +181536 |
| 4standard | 684 | Hetrick, Michael (1677) | Lost 1-2 | -151521 |
| 5standard | 675 | Westnedge, Adam (1604) | Won 2-0 | +201541 |
| 6standard | 709 | Grube, Peter L (1589) | Lost 0-2 | -181523 |
| 7standard | 724 | Gilley, Jonathan (1486) | Won 2-1 | +181541 |
| 8standard | 669 | Poole, Jon (1543) | Lost 1-2 | -181523 |
| top | average opponent: 1563record: 4-3 | new rating: 1523 | ||