Manchester, Katie
Current rating: 1435
Record: 2-6
| Grand Prix Kansas City 2013 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 223 | Kennedy, John (1491) | Lost 0-2 | -181450 |
| 2modern | 377 | Leonetti, Ryan (1504) | Won 2-1 | +191469 |
| 3modern | 218 | Pennington, Jeremy (1500) | Lost 1-2 | -171452 |
| 4modern | 418 | Weems, Matt (1482) | Lost 0-2 | -171435 |
| average opponent: 1494record: 1-3 | new rating: 1435 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 864 | Parkin, Courtny (1500) | Won 2-0 | +181518 |
| 2sealed | 941 | Buckingham, James (1663) | Lost 0-2 | -151503 |
| 3sealed | 596 | Zuniga, Michael (1584) | Lost 0-2 | -171486 |
| 4sealed | 680 | Stratton, Alexander (1482) | Lost 0-2 | -181468 |
| average opponent: 1557record: 1-3 | new rating: 1468 | |||