Webster, David
Current rating: 1455
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 112 | Swank, Lucas (1500) | Won 2-1 | +181488 |
| 2modern | 191 | Konorev, Dmitri (1517) | Won 2-1 | +191507 |
| 3modern | 89 | Henschel, Eric (1533) | Lost 1-2 | -181489 |
| 4modern | 279 | Petersen, Logan (1452) | Lost 0-2 | -181471 |
| 5modern | 254 | Yang, Cha (1585) | Lost 1-2 | -161455 |
| top | average opponent: 1517record: 2-3 | new rating: 1455 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | Maciak, Matthew (1467) | Won 2-0 | +181484 |
| 2standard | 151 | Shearer, Alex (1489) | Lost 0-2 | -181466 |
| 3standard | 519 | Zipperer, Bernard (1499) | Won 2-0 | +181484 |
| 4standard | 248 | Kizuka, Jeremy (1563) | Lost 0-2 | -161468 |
| 5standard | 392 | Monk, Rob (1501) | Lost 0-2 | -181450 |
| 6standard | 438 | Dietrich, Curtis (1505) | Won 2-1 | +191469 |
| 7standard | 358 | Baginski, Christian (1500) | Won 2-0 | +191488 |
| 8standard | 274 | Brumm, Joel (1487) | Lost 0-2 | -181470 |
| top | average opponent: 1502record: 4-4 | new rating: 1470 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 19 | Linback, Lewis (1500) | Won 2-1 | +181518 |
| 2modern | 144 | Smith, Jackson (1582) | Lost 1-2 | -171501 |
| 3modern | 601 | Lisac, Chris (1670) | Won 2-1 | +211522 |
| 4modern | 471 | Jasiekiewicz, Michael (1448) | Lost 1-2 | -191503 |
| 5modern | 541 | Couturier, Joseph (1456) | Won 2-0 | +171520 |
| 6modern | 418 | Moisan, Tony (1489) | Lost 0-2 | -191501 |
| 7modern | 620 | Dunbar, Heath (1572) | Lost 1-2 | -161485 |
| 8modern | 588 | Hartless, Dylan (1421) | Lost 0-2 | -191466 |
| top | average opponent: 1517record: 3-5 | new rating: 1466 | ||