Schaefer, Jeff
Current rating: 1465
Record: 3-5
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 318 | Blocher, Richard (1500) | Lost 0-2 | -181481 |
| 2sealed | 285 | Lussier, Dustin (1544) | Lost 1-2 | -161465 |
| average opponent: 1522record: 0-2 | new rating: 1465 | |||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Woodcock, Taylor (1500) | Won 2-0 | +181518 |
| 2sealed | 177 | Rutter, Brandon (1510) | Lost 1-2 | -181500 |
| 3sealed | 384 | Westbrook, Brian (1500) | Won 2-0 | +181518 |
| 4sealed | 164 | Bohlander, David J (1497) | Won 2-0 | +171535 |
| 5sealed | 77 | Jerrard, Zach (1535) | Lost 1-2 | -181517 |
| 6sealed | 226 | Mayer, Andrey (1517) | Lost 1-2 | -181499 |
| average opponent: 1510record: 3-3 | new rating: 1499 | |||