Colbeck, Jason
Current rating: 1559
Record: 6-3
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 128 | Unger, Alexander (1500) | Won 2-1 | +181518 |
| 2standard | 129 | Pate, Thomas (1503) | Won 2-1 | +181536 |
| 3standard | 56 | Schaller, Philippe (1644) | Lost 1-2 | -161520 |
| 4standard | 255 | Stone, Chandler (1520) | Won 2-0 | +181538 |
| 5standard | 177 | Utsunomiya, Takumi (1959) | Won 2-1 | +251563 |
| 6standard | 36 | Noble, David [USA] (1425) | Won 2-0 | +151578 |
| 7standard | 59 | Sims, Travis (1573) | Won 2-1 | +181596 |
| 8standard | 34 | Rhoades, Jessee (1678) | Lost 1-2 | -161580 |
| 9standard | 175 | Demetruk, Matthew (1447) | Lost 1-2 | -211559 |
| average opponent: 1583record: 6-3 | new rating: 1559 | |||