Somerville, Ken
Current rating: 1392
| Grand Prix Ghent 2012 (legacy) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 69 | Esposito, Marco (1507) | Lost 0-2 | -161392 |
| top | record: 0-1 | new rating: 1392 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 606 | Wrammerfors, Stefan (1472) | Lost 1-2 | -171426 |
| 2sealed | 657 | Krumm, Michael (1445) | Lost 0-2 | -181408 |
| top | average opponent: 1458record: 0-2 | new rating: 1408 | ||
| Grand Prix Turin 2012 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 49 | Perotti, Efrem (1500) | Lost 0-2 | -171443 |
| top | record: 0-1 | new rating: 1443 | ||
| Grand Prix Milan 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 222 | Szklarski, Michal (1557) | Lost 0-2 | -171483 |
| 2sealed | 281 | Kelterbaum, Catherine (1229) | Lost 1-2 | -221461 |
| 3sealed | 341 | Gallifuoco, Aldo (1464) | Won 2-1 | +181479 |
| 4sealed | 313 | Kitachewsky, Daniel (1470) | Lost 0-2 | -191460 |
| top | average opponent: 1430record: 1-3 | new rating: 1460 | ||