Keffer, Stella
Current rating: 1486
Record: 6-7-1
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Lawrence, Troy (1500) | Draw 1-1 | +11442 |
| 2sealed | 318 | Mackenzie, Steven (1429) | Won 2-0 | +181460 |
| 3sealed | 299 | Solda, Benjamin (1454) | Won 2-0 | +171477 |
| 4sealed | 146 | Barski, Robert (1586) | Lost 1-2 | -161461 |
| 5sealed | 295 | Simard, Vincent (1510) | Won 2-0 | +191480 |
| 6sealed | 186 | Abenhaim, Julien (1475) | Lost 0-2 | -181462 |
| 7sealed | 282 | Peown, Jason (1517) | Won 2-0 | +191481 |
| 8sealed | 198 | Chan, Mark (1540) | Won 2-1 | +191500 |
| 9sealed | 137 | Tang, Daniel (1694) | Lost 0-2 | -141486 |
| average opponent: 1523record: 5-3-1 | new rating: 1486 | |||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 889 | Martin, Fletcher (1500) | Lost 0-2 | -181482 |
| 2sealed | 957 | Hrdlicka, Tomas (1473) | Won 2-0 | +181500 |
| 3sealed | 875 | DeMarino, Matt (1255) | Lost 1-2 | -231477 |
| 4sealed | 1008 | Baldoza, Joseph Ryan (1501) | Lost 0-2 | -171460 |
| 5sealed | 1088 | Velarde, Alex (1395) | Lost 0-2 | -191441 |
| average opponent: 1425record: 1-4 | new rating: 1441 | |||