Cain, Jonathan
Current rating: 1437
Record: 6-10
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 70 | DeVoll, Mark (1406) | Lost 0-2 | -191431 |
| 2modern | 882 | Lecrivain, Alexander (1484) | Won 2-0 | +191450 |
| 3modern | 849 | Harvey, Spencer (1477) | Won 2-0 | +191469 |
| 4modern | 585 | Rocha, Sergio (1482) | Lost 1-2 | -181451 |
| 5modern | 753 | Schmitt, David (1556) | Won 2-1 | +201471 |
| 6modern | 489 | Schepers, Jackson (1520) | Lost 0-2 | -171454 |
| 7modern | 515 | Silva, Brandon (1491) | Lost 0-2 | -171437 |
| average opponent: 1488record: 3-4 | new rating: 1437 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 223 | Sala, Ryan (1851) | Lost 0-2 | -121488 |
| 2modern | 918 | Parker, Bryce (1481) | Lost 1-2 | -181470 |
| 3modern | 1325 | Penner, Brad (1425) | Lost 1-2 | -191451 |
| 4modern | 1439 | Anderson, Eric (1479) | Won 2-0 | +191470 |
| 5modern | 1205 | Core, Arden (1459) | Won 2-1 | +181488 |
| 6modern | 1112 | Zazanis, Frank (1482) | Won 2-1 | +171505 |
| 7modern | 1013 | Cornwell, River (1455) | Lost 0-2 | -191486 |
| 8modern | 848 | Nakayama, Christopher (1481) | Lost 1-2 | -181468 |
| 9modern | 748 | Metcalfe, Devin (1457) | Lost 0-2 | -181450 |
| average opponent: 1508record: 3-6 | new rating: 1450 | |||