Vorndran, Karl
Current rating: 1505
Record: 5-5
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Kelly, Philip (1480) | Won 2-1 | +181520 |
| 2sealed | 85 | Cooper, Geddes (1609) | Lost 0-2 | -171503 |
| 3sealed | 379 | Olds, Patrick (1599) | Won 2-1 | +201523 |
| 4sealed | 237 | Lusk, Alexander (1517) | Lost 1-2 | -181505 |
| average opponent: 1552record: 2-2 | new rating: 1505 | |||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 334 | Carino, Joshua (1500) | Lost 1-2 | -181482 |
| 2sealed | 469 | Cox, Khayman (1482) | Won 2-0 | +181500 |
| 3sealed | 701 | Boblitt, Zach (1534) | Lost 1-2 | -171483 |
| 4sealed | 694 | Jansen, Jeffrey (1483) | Won 2-0 | +181501 |
| 5sealed | 603 | Beattie, Ian (1500) | Won 2-1 | +181519 |
| 6sealed | 371 | Dillon, Rachel (1601) | Lost 0-2 | -171502 |
| average opponent: 1517record: 3-3 | new rating: 1502 | |||