Shaffer, Dan
Current rating: 1500
Record: 3-3
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 30 | McKay, Tygue (1500) | Won 2-1 | +181518 |
| 2sealed | 114 | Lefler, Andrew J (1518) | Won 2-0 | +181536 |
| 3sealed | 27 | Buchar, Marco L (1518) | Lost 1-2 | -181518 |
| 4sealed | 92 | Jones, Travis (1530) | Lost 0-2 | -181500 |
| 5sealed | 145 | Bixler, Kellen (1501) | Won 2-1 | +181518 |
| 6sealed | 172 | Lane, David (1541) | Lost 1-2 | -181500 |
| average opponent: 1518record: 3-3 | new rating: 1500 | |||