Liedorp, Thomas
Current rating: 1472
Record: 3-4-3
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 282 | Caramalau, Adrian (1408) | Draw 0-0 | -21529 |
| 2standard | 453 | Beenen, Gregory (1499) | Lost 0-0 | -181511 |
| 3standard | 812 | Bosgra, Theo (1424) | Lost 1-2 | -201491 |
| 4standard | 881 | de Boer, Martijn (1415) | Lost 0-2 | -191472 |
| average opponent: 1437record: 0-3-1 | new rating: 1472 | |||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 232 | Whysall, Sheila (1442) | Won 2-0 | +171517 |
| 2standard | 220 | Heffernan, Stephen (1483) | Draw 1-1 | -11516 |
| 3standard | 230 | Chandler, Vincent (1435) | Won 2-0 | +171533 |
| 4standard | 122 | van der Linden, Bob (1582) | Draw 1-1 | +11534 |
| 5standard | 224 | Lugasi, Piergiorgio (1443) | Won 2-1 | +161550 |
| 6standard | 139 | Ferro Valdivia, Daniel (1510) | Lost 0-2 | -191531 |
| average opponent: 1482record: 3-1-2 | new rating: 1531 | |||