Percival, Alexander
Current rating: 1413
| Grand Prix Birmingham 2019 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 248 | Schridde, Lars (1500) | Lost 0-2 | -171429 |
| 2modern | 311 | Hilborne, Peter (1379) | Won 2-1 | +171446 |
| 3modern | 259 | Harding, Conor (1605) | Lost 1-2 | -151431 |
| 4modern | 121 | Johnson, Daniel [ENG] (1480) | Lost 1-2 | -181413 |
| top | average opponent: 1491record: 1-3 | new rating: 1413 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 342 | Reiter, Vincent (1700) | Lost 1-2 | -141473 |
| A2sealed | 304 | Schenk, Geert (1529) | Lost 1-2 | -171456 |
| C1sealed | 277 | Cole, Jacob (1482) | Won 2-1 | +191475 |
| C2sealed | 18 | Reggi, Enrico (1497) | Lost 0-2 | -181457 |
| C3sealed | 197 | Fleurant, Jason (1824) | Lost 0-2 | -111446 |
| top | average opponent: 1606record: 1-4 | new rating: 1446 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | Fries, Stefan (1808) | Lost 0-2 | -131487 |
| top | record: 0-1 | new rating: 1487 | ||