Atkinson, Robert
Current rating: 1436
| Grand Prix Hartford 2018 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 325 | Carranza, Guillermo (1496) | Won 2-0 | +191466 |
| 2modern | 368 | Hedges, Frank (1500) | Lost 1-2 | -171449 |
| 3modern | 675 | Kipple, Sean (1600) | Won 2-0 | +211470 |
| 4modern | 343 | Gressinger, Kyle (1481) | Lost 0-2 | -181452 |
| 5modern | 602 | Goduti, Keith (1566) | Lost 0-2 | -161436 |
| top | average opponent: 1529record: 2-3 | new rating: 1436 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 452 | Gilmore, Alicia (1500) | Won 2-0 | +181482 |
| 2modern | 71 | McIntyre, James (1405) | Lost 0-2 | -191463 |
| 3modern | 862 | Jorgensen, Frederik Bruun (1500) | Won 2-1 | +191482 |
| 4modern | 577 | Cross, John (1511) | Lost 1-2 | -181464 |
| 5modern | 854 | Mulvihill, Scott (1530) | Lost 1-2 | -171447 |
| top | average opponent: 1489record: 2-3 | new rating: 1447 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 69 | Davies, Rob (1500) | Lost 0-2 | -181482 |
| 2block | 213 | Miller, Dan [ENG] (1482) | Won 2-0 | +181500 |
| 3block | 131 | Kasinski, Tomas (1487) | Lost 1-2 | -181482 |
| 4block | 213 | Engiert, Grzegorz (1481) | Lost 0-2 | -181464 |
| top | average opponent: 1487record: 1-3 | new rating: 1464 | ||