Boulton, Sean F
Current rating: 1488
Record: 5-6
| Grand Prix London 2013 (GTC limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 580 | Torresan, Alessandro (1595) | Won 2-0 | +201503 |
| 2sealed | 139 | Skandaliaris, Nikos (1505) | Lost 0-2 | -181485 |
| 3sealed | 472 | Bain, Iain (1466) | Lost 0-2 | -181467 |
| 4sealed | 831 | Watson, Chloe (1481) | Won 2-1 | +181485 |
| 5sealed | 457 | Watabiki, Thomas (1503) | Won 2-0 | +191504 |
| 6sealed | 463 | Van Holsbeeck, Kristof (1614) | Lost 1-2 | -161488 |
| average opponent: 1527record: 3-3 | new rating: 1488 | |||
| Grand Prix London 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Hart, Thomas (1500) | Lost 0-2 | -181482 |
| 2sealed | 96 | Chaney, Matt (1580) | Lost 0-2 | -161466 |
| 3sealed | 144 | Sant, Philip (1466) | Won 2-0 | +181484 |
| 4sealed | 125 | Green, James (1483) | Won 2-0 | +181502 |
| 5sealed | 118 | Sorum, Tore Johan (1480) | Lost 1-2 | -191483 |
| average opponent: 1502record: 2-3 | new rating: 1483 | |||