Thwaits, Simon S
Current rating: 1512
Record: 6-5
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 18 | Hill, Steve (1498) | Won 2-1 | +171551 |
| 3sealed | 124 | Mitchell, Davin (1485) | Lost 0-2 | -191532 |
| 4sealed | 280 | Bardin, Pierre (1437) | Lost 0-2 | -201512 |
| average opponent: 1474record: 1-2 | new rating: 1512 | |||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | Waite, Paul (1500) | Lost 0-2 | -181482 |
| 2standard | 397 | Hilbert, Melinda (1482) | Won 2-0 | +181500 |
| 3standard | 290 | Cortez, Micheal (1529) | Won 2-1 | +191519 |
| 4standard | 219 | Sarnoski, Robert K (1518) | Won 2-1 | +181537 |
| 5standard | 147 | Heath, Joel (1469) | Lost 0-2 | -201517 |
| 6standard | 252 | Beaty, Ryan (1488) | Won 2-1 | +181535 |
| 7standard | 144 | Allbee, Christopher (1503) | Won 2-1 | +171552 |
| 8standard | 106 | Keeth, Christian (1536) | Lost 0-2 | -181534 |
| average opponent: 1503record: 5-3 | new rating: 1534 | |||