Spoley, John
Current rating: 1521
Record: 4-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | Grenier, Marc (1500) | Won 2-0 | +181518 |
| 2sealed | 186 | Silva, Ryan (1517) | Won 2-0 | +181536 |
| 3sealed | 95 | Guzman, Charle (1561) | Lost 0-2 | -181518 |
| 4sealed | 377 | Fung, Kenny (1582) | Won 2-1 | +201538 |
| 5sealed | 222 | Achilles, Brian (1533) | Lost 1-2 | -181520 |
| 6sealed | 497 | Stevens, Amanda (1439) | Won 2-1 | +161536 |
| 7sealed | 264 | Rowe, Jonathan (1700) | Lost 1-2 | -151521 |
| average opponent: 1547record: 4-3 | new rating: 1521 | |||