Porter, Sarah
Current rating: 1466
Record: 7-9-1
| Grand Prix Phoenix 2018 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Slapinsky, Brian (1513) | Lost 0-2 | -181507 |
| 2modern | 491 | Bruning, Jon (1361) | Draw 1-1 | -31504 |
| 3modern | 548 | Peymani, Afshin (1482) | Lost 1-2 | -181486 |
| 4modern | 603 | Acosta, Andres (1481) | Lost 1-2 | -181468 |
| 5modern | 574 | Friend, Andrew (1446) | Won 2-0 | +171485 |
| 6modern | 482 | Tankersley, Jonathon (1461) | Lost 0-2 | -181467 |
| 7modern | 414 | Gerhardt, Maxwell (1443) | Lost 1-2 | -191448 |
| 8modern | 358 | Bell, Benjamin (1419) | Won 2-0 | +181466 |
| average opponent: 1451record: 2-5-1 | new rating: 1466 | |||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 496 | Elkins, Bj (1579) | Lost 1-2 | -171483 |
| 2modern | 596 | Medley, Jacob (1677) | Lost 0-2 | -141469 |
| 3modern | 676 | Guff, John (1464) | Won 2-1 | +181487 |
| 4modern | 537 | Sutton, Conner (1487) | Won 2-1 | +181505 |
| 5modern | 446 | Gerich, Brian (1514) | Won 2-0 | +181523 |
| 6modern | 229 | Burch, Nick (1465) | Lost 0-2 | -191504 |
| 7modern | 328 | Daugherty, Kyle (1496) | Won 2-1 | +181522 |
| 8modern | 285 | Raval, Mahendra (1727) | Lost 0-2 | -141508 |
| 9modern | 300 | Moilanen, Matt (1475) | Won 2-0 | +171525 |
| average opponent: 1543record: 5-4 | new rating: 1525 | |||