Armstrong, Ryan
Current rating: 1448
| Grand Prix Toronto 2019 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 380 | Pisecny, Louis (1451) | Won 2-0 | +181478 |
| 2modern | 11 | Kam, Jeffrey (1518) | Won 2-0 | +191497 |
| 3modern | 32 | Longo, Tyler (1756) | Lost 1-2 | -141483 |
| 4modern | 325 | Spencer, Lewis (1473) | Lost 0-2 | -181465 |
| 5modern | 290 | Foster, Matthew (1531) | Lost 1-2 | -171448 |
| top | average opponent: 1546record: 2-3 | new rating: 1448 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 524 | Lacey, Joshua (1484) | Lost 0-2 | -181476 |
| 2modern | 636 | Oyen, Andrew (1645) | Lost 0-2 | -151461 |
| 3modern | 721 | Mallen, Jesse (1397) | Won 2-1 | +171478 |
| 4modern | 623 | Nguyen, Nhon Huu (1481) | Lost 1-2 | -181460 |
| top | average opponent: 1501record: 1-3 | new rating: 1460 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 657 | Wainman, Randall (1500) | Won 2-0 | +181518 |
| 2sealed | 395 | Loveland, Richard (1541) | Won 2-1 | +181536 |
| 3sealed | 306 | Blanchet, Eric (1673) | Lost 0-2 | -151521 |
| 4sealed | 73 | Tramper, Auston (1786) | Lost 1-2 | -131508 |
| 5sealed | 510 | McGouirk, Bill (1470) | Won 2-0 | +171525 |
| 6sealed | 343 | Bost, Jonathon (1439) | Won 2-1 | +161541 |
| 7sealed | 188 | Black, Samuel (1886) | Lost 0-2 | -121529 |
| 8sealed | 318 | Kane, Will (1539) | Lost 0-2 | -171512 |
| 9sealed | 298 | McCord, Kristopher (1549) | Lost 0-2 | -181494 |
| top | average opponent: 1598record: 4-5 | new rating: 1494 | ||