McCollin, Andrew
Current rating: 1503
Record: 3-3
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Coenen, Peter (1521) | Lost 1-2 | -181482 |
| 2sealed | 647 | Hancock, Oliver (1481) | Lost 0-2 | -181464 |
| 3sealed | 840 | Bielsa, David (1600) | Won 2-1 | +211485 |
| 4sealed | 687 | Guhr, Celeste (1478) | Won 2-1 | +181503 |
| 5sealed | 602 | White, Craig (1500) | Won 2-1 | +181521 |
| 6sealed | 314 | Wone, Michel (1521) | Lost 0-2 | -181503 |
| average opponent: 1517record: 3-3 | new rating: 1503 | |||