Ellis, David [USA]
Current rating: 1426
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 406 | Luke, Clifton J (1500) | Lost 0-2 | -181479 |
| 2standard | 446 | Newton, Robert (1481) | Lost 0-2 | -181461 |
| 3standard | 577 | Stanley, Leland (1464) | Lost 0-2 | -181443 |
| 4standard | 597 | Grube, Richard E (1446) | Lost 0-2 | -171426 |
| top | average opponent: 1473record: 0-4 | new rating: 1426 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Benson, Maxwell (1500) | Draw 1-1 | 01516 |
| 2sealed | 306 | wige, sam (1500) | Won 2-0 | +171533 |
| 3sealed | 201 | Stanley, Frank (1519) | Lost 1-2 | -181515 |
| 4sealed | 368 | Lamica, Jon (1535) | Lost 1-2 | -181497 |
| top | average opponent: 1513record: 1-2-1 | new rating: 1497 | ||
| Grand Prix Milwaukee 2002 (TOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Irwin, Russell (1500) | Lost 0-2 | -181482 |
| 2standard | 233 | Lee, Sei Jin (1447) | Won 1-0 | +171499 |
| 3standard | 132 | Sullivan, Tim (1500) | Won 2-1 | +181517 |
| 4standard | 172 | Hagen, Ken (1542) | Lost 0-2 | -171500 |
| 5standard | 219 | Meahan, Nick (1501) | Won 2-0 | +181518 |
| 6standard | 143 | Worley, Lee (1522) | Won 2-0 | +181536 |
| 7standard | 91 | Laurent, Sebastien (1422) | Lost 0-2 | -201516 |
| top | average opponent: 1490record: 4-3 | new rating: 1516 | ||