O'Donnell, William
Current rating: 1551
Record: 5-3
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 527 | Bishop, Peter (1451) | Won 2-0 | +171517 |
| 2sealed | 229 | Luescher, Sascha (2051) | Won 2-1 | +271544 |
| 3sealed | 130 | Pihlajaniemi, Kai (1402) | Lost 0-2 | -211523 |
| 4sealed | 372 | Jonski, Kamil (1549) | Won 2-1 | +191542 |
| 5sealed | 293 | Noordzij, Wouter (1706) | Won 2-0 | +211563 |
| 6sealed | 210 | Brix, Lukas (1556) | Won 2-0 | +181581 |
| 7sealed | 61 | Lesaege, Clement (1822) | Lost 0-2 | -141567 |
| 8sealed | 268 | Gotfredsen, Anders (1684) | Lost 0-2 | -161551 |
| average opponent: 1653record: 5-3 | new rating: 1551 | |||