Gaynor, William
Current rating: 1451
Record: 4-7-1
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 47 | Henderson, Pete (1500) | Draw 1-1 | 01504 |
| 2legacy | 217 | Renault, Austen (1634) | Lost 0-2 | -161488 |
| 3legacy | 412 | Buck, Katie (1481) | Lost 0-2 | -181470 |
| 4legacy | 437 | Kikta Jr., Mark (1407) | Lost 0-2 | -191451 |
| average opponent: 1506record: 0-3-1 | new rating: 1451 | |||
| Grand Prix Toronto 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 57 | Marchand, Alexandre (1464) | Won 2-0 | +171517 |
| 2modern | 366 | Leitner, Robert (1500) | Lost 1-2 | -181499 |
| 3modern | 413 | Araujo, Ryan (1470) | Won 2-1 | +181517 |
| 4modern | 254 | Antosh, John (1512) | Lost 0-2 | -191498 |
| 5modern | 618 | Pepin, Robert (1499) | Won 2-0 | +181516 |
| 6modern | 302 | Johnson, Anthony (1539) | Won 2-1 | +191535 |
| 7modern | 174 | Tomajko, Oliver (1823) | Lost 1-2 | -131522 |
| 8modern | 278 | Goupil, Remi (1522) | Lost 0-2 | -181504 |
| average opponent: 1541record: 4-4 | new rating: 1504 | |||