Cannon, Jefferson
Current rating: 1518
Record: 5-4-2
| Grand Prix Portland 2018 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 361 | Mueller, Manfred (1500) | Lost 0-2 | -191518 |
| 2modern | 530 | Raza, Aezed (1596) | Draw 1-1 | +21520 |
| 3modern | 735 | Grant, Tim (1433) | Draw 1-1 | -21518 |
| average opponent: 1510record: 0-1-2 | new rating: 1518 | |||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 195 | McHardy, Alex (1579) | Won 2-1 | +191519 |
| 2modern | 1311 | Stock, Josh (1518) | Won 2-1 | +181537 |
| 3modern | 45 | Baker, Pierce (1562) | Lost 1-2 | -171520 |
| 4modern | 347 | Merejil, Robert (1446) | Lost 0-2 | -191501 |
| 5modern | 631 | Whatley, Shane (1471) | Won 2-0 | +171518 |
| 6modern | 523 | Griffith, Cole (1523) | Lost 0-2 | -181500 |
| 7modern | 539 | Tashjian, Karl (1542) | Won 2-0 | +191519 |
| 8modern | 339 | Poncher, Samuel (1524) | Won 2-1 | +181537 |
| average opponent: 1520record: 5-3 | new rating: 1537 | |||