Petersen, Patrick
Current rating: 1415
Record: 2-7-1
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 423 | Borys, Grzegorz (1685) | Lost 1-2 | -141449 |
| 2modern | 413 | Verde, Marius (1481) | Lost 0-2 | -171432 |
| 3modern | 617 | Berio, Davide (1463) | Won 2-1 | +191451 |
| 4modern | 583 | Salling Hvass, Jonatan (1427) | Lost 1-2 | -191432 |
| 5modern | 568 | Berg, Peter (1463) | Draw 1-1 | +11433 |
| 6modern | 501 | Jancke, Christoffer (1473) | Lost 1-2 | -181415 |
| average opponent: 1499record: 1-4-1 | new rating: 1415 | |||
| Grand Prix Las Vegas 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 135 | Gresbach, Mark (1504) | Lost 0-2 | -181482 |
| 2extended | 170 | Wittmann, Dennis (1462) | Lost 1-2 | -181464 |
| 3extended | 171 | Frydendal, Kyle (1464) | Won 2-1 | +181482 |
| 4extended | 193 | Rossi, Eric (1465) | Lost 0-2 | -191463 |
| average opponent: 1474record: 1-3 | new rating: 1463 | |||