Jackson, Marcus
Current rating: 1467
Record: 3-5
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 35 | Halford, Justin (1666) | Won 2-1 | +211503 |
| 2legacy | 114 | Hridoi, Anupam (1534) | Won 2-1 | +191522 |
| 3legacy | 165 | Ballinger, Bradley (1521) | Lost 0-2 | -181504 |
| 4legacy | 277 | Kirsch, Jimmy (1502) | Lost 1-2 | -181486 |
| 5legacy | 369 | Dumee, Jonathan (1468) | Lost 1-2 | -191467 |
| average opponent: 1538record: 2-3 | new rating: 1467 | |||
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 176 | Sun, James (1480) | Lost 0-2 | -181482 |
| 2modern | 259 | Fray, James (1482) | Lost 0-2 | -181464 |
| 3modern | 460 | Krna, Andrew (1464) | Won 2-0 | +181482 |
| average opponent: 1476record: 1-2 | new rating: 1482 | |||