Karmol, Stephen
Current rating: 1421
| Grand Prix Portland 2018 (modern) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | Nieh, Kevin (1442) | Lost 0-2 | -181433 |
| 2modern | 638 | Porter, Taylor (1482) | Lost 1-2 | -171416 |
| 3modern | 815 | Heintz, Elliott (1443) | Won 2-1 | +181434 |
| 4modern | 787 | Dao, Justin (1478) | Lost 1-2 | -171417 |
| 5modern | 749 | Erickson, Matthew (1640) | Won 2-0 | +221439 |
| 6modern | 519 | Seaman, Patric (1444) | Lost 0-2 | -181421 |
| top | average opponent: 1488record: 2-4 | new rating: 1421 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 166 | Willeusen, Kamen (1500) | Won 2-0 | +191483 |
| 2sealed | 280 | Lincoln, James (1518) | Lost 1-2 | -181465 |
| 3sealed | 321 | Jansen, Morgan (1500) | Won 2-0 | +191484 |
| 4sealed | 285 | Neal, Stephen (1655) | Lost 1-2 | -151469 |
| 5sealed | 393 | Ostrem, Jordan (1481) | Lost 1-2 | -181451 |
| top | average opponent: 1531record: 2-3 | new rating: 1451 | ||
| Grand Prix Seattle 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 76 | Kizer, Bryon (1500) | Lost 0-2 | -181482 |
| 2extended | 138 | Margate, Pedro (1482) | Lost 0-2 | -181464 |
| 3extended | 166 | Tynan, Joe (1464) | Won 2-0 | +181482 |
| 4extended | 136 | Mathies, Ben (1484) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 1-3 | new rating: 1464 | ||