Cohen, Ben
Current rating: 1398
| Grand Prix Vancouver 2015 (modern) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 336 | Paquette, Aeo (1973) | Lost 0-2 | -91408 |
| 2modern | 275 | Chow, Jeff (1543) | Won 2-1 | +211429 |
| 3modern | 365 | Chambers, Adam (1660) | Lost 1-2 | -141415 |
| 4modern | 472 | Minamimaye, Jordan (1483) | Lost 0-2 | -171398 |
| top | average opponent: 1665record: 1-3 | new rating: 1398 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 333 | Chu, Brandon (1500) | Lost 1-2 | -181436 |
| 2standard | 323 | Theisen, Brad (1375) | Lost 0-2 | -191417 |
| top | average opponent: 1437record: 0-2 | new rating: 1417 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1309 | Van Lunen, Jacob (1749) | Lost 1-2 | -141486 |
| 2modern | 1427 | Makino, Bernie (1714) | Lost 1-2 | -131473 |
| 3modern | 1571 | Reiman, Andrew (1419) | Lost 0-2 | -191454 |
| top | average opponent: 1627record: 0-3 | new rating: 1454 | ||