Kerkman, Michael
Current rating: 1505
Record: 11-12
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 217 | Sedberry, Charles (1500) | Won 2-1 | +191510 |
| 4standard | 50 | Friedman, Matt (1520) | Lost 1-2 | -181492 |
| 5standard | 114 | Combe, Donnovan (1513) | Won 2-1 | +181510 |
| 6standard | 92 | Szylman, Dariusz (1764) | Won 2-1 | +231533 |
| 7standard | 63 | Turnbull, Chris (1806) | Lost 0-2 | -131520 |
| 8standard | 145 | Christy, David (1689) | Lost 1-2 | -151505 |
| top | average opponent: 1632record: 3-3 | new rating: 1505 | ||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 141 | Mendoza, Jeff (1500) | Won 2-0 | +191483 |
| 2legacy | 347 | Storms, Robert (1458) | Won 2-1 | +171500 |
| 3legacy | 306 | Sawyer, Ronald (1569) | Won 2-0 | +201520 |
| 4legacy | 179 | Castro, Robert (1652) | Lost 1-2 | -161504 |
| 5legacy | 211 | Horn, Lee (1690) | Lost 0-2 | -151489 |
| 6legacy | 343 | Lightfoot, Ethan (1558) | Won 2-0 | +201509 |
| 7legacy | 185 | Yee, Truman (1549) | Lost 1-2 | -181491 |
| top | average opponent: 1568record: 4-3 | new rating: 1491 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 652 | Frankel, Matthew (1500) | Lost 1-2 | -171465 |
| 2sealed | 1162 | Fonseca, Oscar (1482) | Won 2-0 | +181483 |
| 3sealed | 439 | Burke, Jessica (1500) | Won 2-1 | +181501 |
| 4sealed | 147 | Wu, Gavin (1468) | Lost 0-0 | -181483 |
| 5sealed | 300 | Funkhouser, Connor (1468) | Lost 0-2 | -191464 |
| top | average opponent: 1484record: 2-3 | new rating: 1464 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 181 | Eng, Matthew (1500) | Lost 1-2 | -181482 |
| 2standard | 273 | Upton, Andrew (1486) | Won 2-1 | +181500 |
| 3standard | 275 | Villalpando, Mark (1519) | Lost 0-2 | -181482 |
| 4standard | 405 | Neuenschwander, Erich (1471) | Won 2-0 | +181500 |
| 5standard | 347 | WARGO, ANDREW (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1495record: 2-3 | new rating: 1482 | ||