Walsh, John
Current rating: 1431
| Grand Prix Toronto 2018 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 147 | Suarez, Kevin (1447) | Won 2-0 | +181464 |
| 2modern | 166 | Ireland, Graham (1486) | Lost 0-2 | -171447 |
| 3modern | 626 | Martin, Damon (1499) | Lost 0-2 | -171430 |
| 4modern | 730 | Antoine, Luc (1457) | Won 2-0 | +181448 |
| 5modern | 547 | Babigian, Haroutun (1487) | Lost 0-2 | -171431 |
| top | average opponent: 1475record: 2-3 | new rating: 1431 | ||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | Sargent, Samantha (1500) | Won 2-1 | +181499 |
| 2standard | 108 | Regaudie, Eric (1518) | Lost 1-2 | -171482 |
| 3standard | 545 | Hajduk, Filip (1533) | Lost 0-2 | -171465 |
| 4standard | 557 | Saunders, Matthew (1445) | Lost 1-2 | -191446 |
| top | average opponent: 1499record: 1-3 | new rating: 1446 | ||
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Flanigan, Shane (1445) | Lost 0-2 | -191481 |
| 2sealed | 229 | Sanchez, Michael (1483) | Won 2-0 | +181499 |
| 3sealed | 197 | Cicio, Joshua (1499) | Lost 0-2 | -181481 |
| top | average opponent: 1476record: 1-2 | new rating: 1481 | ||