Hamilton, John Ryan
Current rating: 1530
Record: 14-14-1 (GP) / 3-4 (professional)
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1308 | Collier, Joshua (1603) | Won 2-0 | +191565 |
| 2pioneer | 1143 | Salas, Spencer (1655) | Lost 0-2 | -161549 |
| 3pioneer | 1231 | Hayes, Aaron [USA] (1503) | Lost 1-2 | -191530 |
| top | average opponent: 1587record: 1-2 | new rating: 1530 | ||
| New Capenna Championship (MTGA mixed) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 87 | Phipps, Ben (1589) | Won 2-1 | +191565 |
| 2standard | 48 | Kang, Eric (1644) | Lost 1-2 | -171548 |
| 3standard | 64 | Leinen, Barthelemy (1511) | Won 2-1 | +181566 |
| 4historic | 54 | Nassif, Gabriel (2009) | Lost 1-2 | -111555 |
| 5historic | 49 | Medeiros Merjam, Guilherme (1754) | Lost 0-2 | -141541 |
| 6historic | 62 | Kono, Toru (1738) | Won 2-1 | +211562 |
| 7historic | 70 | Harvey, Dominic (1645) | Lost 1-2 | -161546 |
| top | average opponent: 1698record: 3-4 | new rating: 1546 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 138 | Moran, Joshua (1412) | Won 2-0 | +171529 |
| 2legacy | 122 | Parente, Justin (1741) | Lost 0-2 | -151514 |
| 3legacy | 296 | Rodriguez, Franky (1824) | Won 2-0 | +241538 |
| 4legacy | 225 | Groom, Jeffrey (1631) | Won 2-0 | +201558 |
| 5legacy | 83 | Boudreau, Stephen (1491) | Won 2-1 | +161574 |
| 6legacy | 121 | Ebady, Amin (1508) | Won 2-1 | +171591 |
| 7legacy | 17 | Nowicki, Eric (1603) | Won 2-1 | +181609 |
| 8legacy | 15 | Vonasek, Martin (1810) | Lost 1-2 | -141595 |
| 9legacy | 57 | Hartzell, Patrick (1714) | Lost 0-2 | -161579 |
| 10legacy | 83 | Saracino, Jacob (1809) | Won 2-0 | +221601 |
| 11legacy | 45 | Von Samson, Lucas (1607) | Lost 0-2 | -181583 |
| 12legacy | 73 | Benson, Jonathan (1698) | Lost 0-2 | -161567 |
| 13legacy | 77 | Chatwood, Edward (1502) | Lost 1-2 | -191548 |
| 14legacy | 84 | Zarbo, Andrew (1523) | Lost 1-2 | -181530 |
| 15legacy | 83 | Tetreault, Gregory (1439) | Won 2-0 | +161546 |
| top | average opponent: 1621record: 8-7 | new rating: 1546 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 362 | Aveni, Amalia (1550) | Won 2-0 | +181545 |
| 3modern | 526 | Currie, Joshua (1343) | Won 2-1 | +151560 |
| 4modern | 223 | Cox, Patrick (2010) | Lost 1-2 | -111549 |
| 5modern | 322 | Bonovitch, Steven (1440) | Lost 0-2 | -201529 |
| 6modern | 699 | Davis, Nathan (1588) | Lost 0-2 | -171512 |
| top | average opponent: 1586record: 2-3 | new rating: 1512 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Parr, Steven (1503) | Lost 0-2 | -181482 |
| 2standard | 398 | Loehr, Daniel (1482) | Draw 1-1 | 01482 |
| 3standard | 394 | Hall, Justin (1377) | Won 2-1 | +161498 |
| 4standard | 308 | Magee, Benjamin (1499) | Won 2-0 | +181516 |
| 5standard | 215 | Powell, Adam (1521) | Won 0-0 | +181534 |
| 6standard | 132 | Jensen, William (2195) | Lost 0-2 | -71527 |
| top | average opponent: 1596record: 3-2-1 | new rating: 1527 | ||