Simpson, Tim
Current rating: 1435
Record: 3-7-1
| Grand Prix Birmingham 2017 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 285 | Nadelmann, Daniel (1536) | Lost 1-2 | -171446 |
| 2modern | 472 | Tarrida, Joan (1506) | Won 0-0 | +191465 |
| 3modern | 530 | Johnson, Oliver (1500) | Lost 0-2 | -171448 |
| 4modern | 662 | Graham, Lee (1507) | Won 2-1 | +191467 |
| 5modern | 576 | Kreuz, Alexander (1714) | Lost 1-2 | -141453 |
| 6modern | 610 | Vincent, Luke (1449) | Lost 0-2 | -181435 |
| average opponent: 1535record: 2-4 | new rating: 1435 | |||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 199 | Grady, Austin (1462) | Lost 0-2 | -191481 |
| 2modern | 390 | Folsom, James (1480) | Draw 1-1 | 01481 |
| 3modern | 526 | Acosta, Aaron (1450) | Lost 0-0 | -181463 |
| 4modern | 590 | Cotrone, Kevin (1464) | Won 2-1 | +181481 |
| 5modern | 491 | Ashline, Cory (1481) | Lost 0-2 | -181463 |
| average opponent: 1467record: 1-3-1 | new rating: 1463 | |||