Schaffert, Jacob
Current rating: 1523
Record: 4-3
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 30 | Sinclair, Andrew (1500) | Won 2-0 | +181518 |
| 2extended | 93 | Garcia, Oliver (1535) | Lost 1-2 | -181500 |
| 3extended | 160 | Tanaka, Hiroto (1500) | Won 2-0 | +181518 |
| 4extended | 167 | Garber, Chris (1519) | Won 2-0 | +181536 |
| 5extended | 64 | Bjerke, Jordan (1500) | Won 2-0 | +181554 |
| 6extended | 70 | Tuomi, Sami (1823) | Lost 0-2 | -141540 |
| 7extended | 95 | Kaff, Skye (1562) | Lost 0-2 | -171523 |
| average opponent: 1563record: 4-3 | new rating: 1523 | |||