Robertson, Patrick [USA]
Current rating: 1554
Record: 8-5-3
| Grand Prix Oklahoma City 2019 (ELD standard) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 71 | Edgar, James (1599) | Won 2-1 | +191557 |
| 2standard | 36 | Hyatt, Alexander (1495) | Lost 0-2 | -191538 |
| 3standard | 130 | Mendell, John (1464) | Draw 1-1 | -21536 |
| 4standard | 107 | Evans, Alex (1649) | Won 2-1 | +211557 |
| 5standard | 72 | Bryant, Brandon (1574) | Lost 0-0 | -181539 |
| 6standard | 100 | Escudero, Hugo (1448) | Won 2-0 | +161555 |
| 7standard | 74 | Standridge, Kenneth (1520) | Won 2-0 | +181573 |
| 8standard | 53 | Broer, William (1517) | Lost 0-2 | -191554 |
| average opponent: 1533record: 4-3-1 | new rating: 1554 | |||
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 106 | Toledo, Javier (1500) | Draw 1-1 | 01500 |
| 2standard | 102 | Seraballs, Ruben (1500) | Won 2-0 | +181518 |
| 3standard | 164 | Brambilla, Davide 3020 (1697) | Lost 1-2 | -151503 |
| 4standard | 210 | Pasucal, Jeffrey (1481) | Draw 1-1 | 01503 |
| 5standard | 228 | Ward, Daymion (1484) | Lost 0-2 | -191484 |
| 6standard | 205 | Bennett, Eric (1510) | Won 2-0 | +191503 |
| 7standard | 165 | Ruiz, Matthew (1557) | Won 2-0 | +191522 |
| 8standard | 140 | Groner, Joshua (1406) | Won 2-0 | +161538 |
| average opponent: 1517record: 4-2-2 | new rating: 1538 | |||