Piergies, Matthew
Current rating: 1482
Record: 2-3
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Mckenzie, Sam P (1500) | Won 2-1 | +181518 |
| 2standard | 24 | Labine, Stephane (1591) | Won 2-1 | +191537 |
| 3standard | 3 | Masini, Alberto (1575) | Lost 1-2 | -171520 |
| 4standard | 182 | Nuthall, Mark (1518) | Lost 1-2 | -181502 |
| 5standard | 270 | Etcheverry, Francois (1401) | Lost 1-2 | -201482 |
| average opponent: 1517record: 2-3 | new rating: 1482 | |||