Watson, Karolyn
Current rating: 1490
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 353 | Laufer, Joseph (1547) | Won 2-1 | +201452 |
| 2sealed | 203 | Lee, Michael 8541 (1578) | Won 0-0 | +211473 |
| 3sealed | 204 | DEVORE, CLAUDE (1519) | Won 2-0 | +181491 |
| 4sealed | 125 | Fabiano, Gerard (1988) | Won 2-1 | +271518 |
| 5sealed | 33 | Simon, Michael (1680) | Lost 1-2 | -151503 |
| 6sealed | 104 | Spencer, Michael (1666) | Won 2-1 | +211524 |
| 7sealed | 63 | Pincus, Aaron (1573) | Lost 0-2 | -171507 |
| 8sealed | 116 | Sherman, Justin (1584) | Lost 0-2 | -171490 |
| top | average opponent: 1642record: 5-3 | new rating: 1490 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 55 | Vasquez, Mark (1522) | Won 2-0 | +201485 |
| 2standard | 215 | Berryhill, Ellison (1436) | Lost 1-2 | -191466 |
| 3standard | 375 | Ledford, Travis (1512) | Lost 1-2 | -181448 |
| 4standard | 407 | Lawton, Tyler (1470) | Lost 1-2 | -171431 |
| 5standard | 445 | Knox, Wyatt (1399) | Lost 0-2 | -191412 |
| 6standard | 403 | Safin, Joshua (1445) | Won 2-0 | +191431 |
| 7standard | 348 | Troll, Austin (1465) | Lost 1-2 | -171414 |
| 8standard | 292 | Terry, Richard (1448) | Won 2-0 | +181432 |
| top | average opponent: 1462record: 3-5 | new rating: 1432 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Long, Shon (1623) | Lost 0-2 | -161484 |
| 2standard | 493 | Connell, Noah (1482) | Won 2-0 | +181502 |
| 3standard | 565 | Martin, Ronny (1530) | Lost 0-2 | -171485 |
| 4standard | 493 | Smith, Brandon (1462) | Lost 1-2 | -191466 |
| 5standard | 543 | Holliday, James (1415) | Won 2-0 | +171483 |
| 6standard | 490 | Robinson, Andrew [USA] (1492) | Lost 0-2 | -181465 |
| top | average opponent: 1500record: 2-4 | new rating: 1465 | ||