Cohen, David
Current rating: 1436
Record: 2-6
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 569 | Cushing, Michael (1524) | Lost 0-2 | -161429 |
| B2sealed | 646 | Gonzalez, Alberto 4626 (1482) | Won 2-0 | +191448 |
| B3sealed | 399 | Jen, Arthur (1802) | Lost 0-2 | -121436 |
| average opponent: 1603record: 1-2 | new rating: 1436 | |||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Chatelain, Remi (1500) | Lost 0-2 | -181482 |
| 2sealed | 277 | Francois, Benjamin (1482) | Won 2-0 | +181500 |
| 3sealed | 336 | Runge, Jurgen (1466) | Lost 1-2 | -191481 |
| 4sealed | 335 | Barat, Chloe (1480) | Lost 0-2 | -181463 |
| 5sealed | 331 | Herr, Julien (1461) | Lost 0-2 | -181445 |
| average opponent: 1478record: 1-4 | new rating: 1445 | |||