Webb, Adam
Current rating: 1441
Record: 8-13
| Grand Prix Atlanta 2018 (modern) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 45 | Riley, Jonathan (1487) | Lost 0-2 | -171392 |
| 2modern | 537 | Warnecke, Gerald (1482) | Lost 0-2 | -161376 |
| 3modern | 646 | Gordon, Aaron (1429) | Won 2-1 | +191395 |
| 4modern | 630 | Johnson, Versile (1494) | Won 2-1 | +191414 |
| 5modern | 597 | Glover, Logan (1560) | Won 2-0 | +211435 |
| 6modern | 361 | Mogelgaard, Sean (1499) | Won 2-0 | +191454 |
| 7modern | 242 | Goldfarb, David (1721) | Lost 0-2 | -131441 |
| top | average opponent: 1524record: 4-3 | new rating: 1441 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 173 | Schweitzer, Kyle (1518) | Lost 1-2 | -171419 |
| 3extended | 327 | Schneider, Marcus (1519) | Won 2-0 | +201439 |
| 4extended | 258 | Vidugiris, Gaudenis (1692) | Lost 1-2 | -131426 |
| 5extended | 334 | Campbell, Blaine (1485) | Lost 1-2 | -171409 |
| top | average opponent: 1553record: 1-3 | new rating: 1409 | ||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 143 | Miller, Roy (1500) | Lost 1-2 | -171414 |
| 2extended | 143 | Ward, Jonathan B (1467) | Won 2-1 | +191433 |
| 3extended | 115 | Baxter, Richard (1500) | Won 2-1 | +201453 |
| 4extended | 71 | Evangelisti, Nicholas (1517) | Lost 1-2 | -171436 |
| top | average opponent: 1496record: 2-2 | new rating: 1436 | ||
| Grand Prix Boston 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 120 | Ceprano, Peter (1583) | Lost 1-2 | -161484 |
| 3extended | 217 | Emery, Darrin (1523) | Won 2-0 | +181502 |
| 4extended | 105 | Camire, Nick (1503) | Lost 0-2 | -181484 |
| 5extended | 196 | Holbrook, Jeremy (1503) | Lost 1-2 | -171467 |
| 6extended | 213 | Hollingworth, Jay (1481) | Lost 1-2 | -181449 |
| 7extended | 176 | Munroe, Benjamin (1464) | Lost 0-2 | -181431 |
| top | average opponent: 1510record: 1-5 | new rating: 1431 | ||