Ratcliffe, Mark
Current rating: 1498
| Grand Prix London 2013 (GTC limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Stossier, Daniel (1523) | Lost 0-2 | -171458 |
| 2sealed | 769 | Henderson, Graham (1479) | Won 2-1 | +181476 |
| 3sealed | 668 | Czechyra, Konrad (1500) | Lost 1-2 | -181458 |
| 4sealed | 764 | Kangas, Ilkka (1476) | Lost 1-2 | -171441 |
| 5sealed | 827 | Moir, Rhun (1446) | Won 2-0 | +181459 |
| 6sealed | 587 | Parker, Jack (1433) | Won 2-0 | +171476 |
| 7sealed | 512 | Munk, Troels (1647) | Lost 1-2 | -151461 |
| 8sealed | 493 | Bergesen, Christian (1489) | Won 2-0 | +191480 |
| 9sealed | 329 | Ide, Michael (1494) | Won 2-0 | +181498 |
| top | average opponent: 1498record: 5-4 | new rating: 1498 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 18 | Jackson, Chris [ENG] (1500) | Won 2-0 | +191464 |
| 2block | 125 | Papakonstantinou, Thomas (1500) | Won 2-1 | +191483 |
| 3block | 17 | Dorle, Anthony (1571) | Lost 0-2 | -161467 |
| 4block | 148 | Sebastian, Bryan J (1520) | Won 2-1 | +191486 |
| 5block | 113 | Voss, Jonathan (1476) | Draw 1-1 | -11485 |
| 6block | 83 | Said, Zead (1502) | Won 0-0 | +191504 |
| 7block | 51 | Scott, Phil (1556) | Lost 1-2 | -171487 |
| 8block | 87 | Stanoev, Ivan (1829) | Lost 1-2 | -121475 |
| top | average opponent: 1557record: 4-3-1 | new rating: 1475 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Fryer-Kelsey, James (1500) | Lost 0-2 | -181482 |
| 2block | 152 | Skinner, Anthony (1482) | Lost 0-2 | -181464 |
| 3block | 232 | Strutt, Robert (1412) | Won 2-1 | +171481 |
| 4block | 186 | Adcock, Jason (1482) | Lost 0-2 | -181463 |
| 5block | 218 | Dragstra, Mark (1483) | Lost 0-2 | -181445 |
| top | average opponent: 1472record: 1-4 | new rating: 1445 | ||