Jayne, William
Current rating: 1453
Record: 3-6
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 108 | Poon, Jin Kiat (1403) | Lost 1-2 | -191466 |
| 2standard | 164 | Farnsworth, Paul (1496) | Won 2-1 | +181484 |
| 3standard | 196 | Radutskiy, Arthur (1588) | Lost 0-2 | -161468 |
| 4standard | 220 | Scott, Matt (1640) | Lost 1-2 | -151453 |
| average opponent: 1532record: 1-3 | new rating: 1453 | |||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Lagasse, James (1500) | Lost 0-2 | -181482 |
| 2sealed | 370 | Yamada, Sean (1499) | Won 0-0 | +181500 |
| 3sealed | 340 | Posey, Jason (1504) | Lost 1-2 | -181482 |
| 4sealed | 484 | Guerra, Ricardo [MEX] (1600) | Won 2-0 | +211503 |
| 5sealed | 320 | Johnson, David (1531) | Lost 0-2 | -181485 |
| average opponent: 1527record: 2-3 | new rating: 1485 | |||