Williamson, Dylan
Current rating: 1500
Record: 6-6
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 239 | Grimmett, Roberto (1462) | Won 2-0 | +181519 |
| 2modern | 147 | Wheeler-Sabatino, Chris (1502) | Lost 0-2 | -191500 |
| 3modern | 293 | Bunts, Lincoln (1499) | Won 2-0 | +181518 |
| 4modern | 115 | Robinson, Cole (1546) | Lost 1-2 | -171501 |
| 5modern | 211 | Ford, Ben (1483) | Won 2-0 | +171518 |
| 6modern | 177 | Maryanoff, Noah (1519) | Lost 0-2 | -181500 |
| average opponent: 1502record: 3-3 | new rating: 1500 | |||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 194 | Truong, Doan (1500) | Won 2-1 | +181518 |
| 2standard | 93 | Martinez, Etienne (1570) | Lost 0-2 | -171501 |
| 3standard | 257 | Barboza, Andres (1569) | Lost 0-2 | -171484 |
| 4standard | 346 | Roberts, Scarlett (1481) | Won 2-0 | +181502 |
| 5standard | 329 | Ambrose, Shaun (1501) | Won 2-0 | +181520 |
| 6standard | 230 | Mushtaq, Javed (1475) | Lost 0-2 | -191501 |
| average opponent: 1516record: 3-3 | new rating: 1501 | |||