Funston, John
Current rating: 1418
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 322 | Larsen, Erik (1399) | Won 2-0 | +181447 |
| 2legacy | 315 | Roosa, Garret (1452) | Won 2-1 | +181465 |
| 3legacy | 223 | Larsson, Johan (1562) | Lost 1-2 | -171448 |
| 4legacy | 275 | Bridgman, Slater (1509) | Lost 0-2 | -161432 |
| 5legacy | 534 | Thomas, Evan (1653) | Lost 1-2 | -141418 |
| top | average opponent: 1515record: 2-3 | new rating: 1418 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2505 | Brett-Davies, Matthew (1500) | Won 2-1 | +181500 |
| 2modern | 2035 | Johnson, Ethan (1545) | Lost 0-2 | -171483 |
| 3modern | 2402 | Leech, Brian (1500) | Lost 1-2 | -171466 |
| 4modern | 2653 | Poon, Shane (1436) | Lost 0-2 | -191447 |
| 5modern | 2651 | Coyston, Brad (1458) | Lost 1-2 | -181429 |
| top | average opponent: 1488record: 1-4 | new rating: 1429 | ||
| Grand Prix Toronto 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Le Du, Benjamin (1499) | Lost 1-2 | -181482 |
| 2standard | 393 | VanSlyke, Kyle (1482) | Won 2-0 | +181500 |
| 3standard | 489 | Ouellet, Vincent (1501) | Lost 1-2 | -181482 |
| 4standard | 571 | O'Keefe, John J. (1482) | Won 2-0 | +181500 |
| 5standard | 499 | Cooke, Jack (1504) | Lost 0-2 | -181482 |
| top | average opponent: 1493record: 2-3 | new rating: 1482 | ||