Powell, Simon
Current rating: 1516
Record: 7-6-1
| Grand Prix Birmingham 2019 (modern) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 152 | Heron, Tod (1485) | Lost 0-2 | -191500 |
| 2modern | 332 | Barta, Michael [AUS] (1580) | Lost 1-2 | -161484 |
| 3modern | 403 | Knightson, Dale (1464) | Won 2-1 | +171501 |
| 4modern | 376 | Masoliver, Luca (1440) | Won 2-1 | +171518 |
| 5modern | 296 | Spearing, Ryan (1492) | Lost 0-2 | -181500 |
| 6modern | 300 | Hawley, Simon (1406) | Won 2-1 | +161516 |
| average opponent: 1478record: 3-3 | new rating: 1516 | |||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 495 | Alexander, Adam (1595) | Lost 0-2 | -161484 |
| 2block | 543 | Whalley, Stephen (1482) | Won 2-0 | +181502 |
| 3block | 439 | Wilcox, David (1502) | Won 2-1 | +181520 |
| 4block | 221 | Calligaro, Laurent (1517) | Lost 0-2 | -181502 |
| 5block | 323 | Doyle, Ray (1516) | Lost 1-2 | -181484 |
| 6block | 415 | St. Hilaire Knowles, Xavier (1482) | Won 2-0 | +181502 |
| 7block | 310 | Dobbs, Liam (1500) | Won 2-0 | +181520 |
| 8block | 233 | Watson, Chloe (1465) | Draw 1-1 | -11519 |
| average opponent: 1507record: 4-3-1 | new rating: 1519 | |||