Gambrell, Jonathan
Current rating: 1545
Record: 5-3
| Grand Prix Austin 2020 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 192 | Smith, Michael (1428) | Won 2-1 | +171517 |
| 2modern | 132 | Martinez, Austin (1705) | Lost 1-2 | -151502 |
| 3modern | 236 | Hall, David [CAN] (1537) | Won 2-1 | +191521 |
| 4modern | 104 | Walker, Matthew [USA] (1475) | Lost 1-2 | -191502 |
| 5modern | 210 | Leal Jr, Noe (1502) | Won 2-0 | +181520 |
| 6modern | 164 | Herr, Paul (1818) | Won 2-1 | +231543 |
| 7modern | 96 | Lockingen, Dustin (1573) | Won 2-1 | +191562 |
| 8modern | 65 | Young, Alasdair (1609) | Lost 1-2 | -171545 |
| average opponent: 1581record: 5-3 | new rating: 1545 | |||