Neff, Jonathon
Current rating: 1478
Record: 3-4
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 326 | Matthews, Charles (1537) | Won 2-0 | +191519 |
| 2modern | 140 | Sagraves, Maximilian (1480) | Lost 0-2 | -191500 |
| 3modern | 350 | Cloer, Katie (1450) | Won 2-0 | +171517 |
| 4modern | 264 | Rocha, Sergio (1387) | Lost 1-2 | -201497 |
| 5modern | 337 | Ortiz, Michael 9945 (1448) | Lost 1-2 | -191478 |
| 6modern | 304 | Thomas, Robert (1508) | Won 2-1 | +181496 |
| 7modern | 225 | Hopson, Dustin (1500) | Lost 0-2 | -181478 |
| average opponent: 1473record: 3-4 | new rating: 1478 | |||