Martin-Knoll, Joe
Current rating: 1470
| Grand Prix Calgary 2019 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 236 | Reid, Nicholas (1514) | Lost 1-2 | -181507 |
| 2modern | 401 | Farpali, Kevin (1482) | Lost 1-2 | -181489 |
| 3modern | 409 | Papenhoven, Drew (1461) | Lost 1-2 | -191470 |
| top | average opponent: 1486record: 0-3 | new rating: 1470 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 601 | Page, Jonathan (1558) | Won 2-0 | +181578 |
| 2legacy | 140 | Jafari, Keyan (1665) | Lost 0-2 | -161562 |
| 3legacy | 524 | Chan, Dru (1499) | Lost 0-2 | -191543 |
| 4legacy | 785 | Eliot, Dominic (1595) | Lost 0-2 | -181525 |
| top | average opponent: 1579record: 1-3 | new rating: 1525 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 251 | Poplawski Brandao, Eduardo (1587) | Won 2-1 | +201520 |
| 2modern | 148 | Howard, Cody (1515) | Won 2-0 | +181538 |
| 3modern | 85 | Zickler, Andrew (1572) | Won 2-1 | +181556 |
| 4modern | 92 | Frank, Matt (1498) | Won 2-0 | +171573 |
| 5modern | 46 | Huber, Cory (1660) | Won 2-0 | +201593 |
| 6modern | 13 | Chreptyk, Brandon (1806) | Lost 0-2 | -151578 |
| 7modern | 23 | Jang, Ian (1530) | Won 2-1 | +181596 |
| 8modern | 16 | Sundholm, Peter (1525) | Lost 0-2 | -201576 |
| 9modern | 65 | Su, Bo (1676) | Lost 0-2 | -161560 |
| top | average opponent: 1597record: 6-3 | new rating: 1560 | ||