Berman, Clark
Current rating: 1406
| Grand Prix Hartford 2018 (modern) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 235 | Wark, Kristopher (1500) | Lost 1-2 | -171421 |
| 2modern | 551 | Westcott, Cedric (1487) | Lost 1-2 | -161405 |
| 3modern | 845 | Balaz, Adam (1418) | Won 2-0 | +181423 |
| 4modern | 605 | Carlucci, Nicholas (1481) | Lost 1-2 | -171406 |
| top | average opponent: 1471record: 1-3 | new rating: 1406 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 226 | Hazarika, Sandeep (1520) | Won 2-0 | +191485 |
| 2sealed | 115 | Myers, Jeromy (1588) | Lost 1-2 | -161469 |
| 3sealed | 427 | Lazaro, Andrew (1545) | Lost 1-2 | -161453 |
| 4sealed | 419 | Esquivel, Jorge (1637) | Won 2-0 | +211474 |
| 5sealed | 341 | Gareau, Philippe (1541) | Lost 0-2 | -171457 |
| 6sealed | 357 | Chen, Jason (1409) | Lost 1-2 | -191438 |
| top | average opponent: 1540record: 2-4 | new rating: 1438 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 409 | King-Fowler, Mickey (1459) | Won 2-0 | +171517 |
| 2modern | 552 | Duerr, Eric (1727) | Lost 0-2 | -141503 |
| 3modern | 606 | Chiang, Charles (1499) | Lost 1-2 | -181485 |
| 4modern | 973 | Lawson, Michael (1450) | Lost 0-2 | -191466 |
| top | average opponent: 1534record: 1-3 | new rating: 1466 | ||