Broughton, Harlan
Current rating: 1514
Record: 8-7
| Grand Prix Hartford 2018 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 59 | Cougler, Jacob (1500) | Won 2-0 | +181538 |
| 2modern | 39 | Turner, Jeremy (1405) | Lost 1-2 | -201518 |
| 3modern | 497 | Wheaton, Ryan (1404) | Won 2-1 | +151533 |
| 4modern | 224 | Burke, Tyler (1519) | Won 2-0 | +181551 |
| 5modern | 234 | Greene, Brian (1557) | Lost 0-2 | -181533 |
| 6modern | 297 | Goehring, Aidan (1521) | Lost 0-2 | -181515 |
| 7modern | 412 | Pissardo, Benoit (1380) | Won 2-0 | +161531 |
| 8modern | 352 | Kwok, Cosmo (1607) | Lost 0-2 | -171514 |
| average opponent: 1487record: 4-4 | new rating: 1514 | |||
| Grand Prix Providence 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 419 | Prescott, Cameron (1477) | Won 2-1 | +181518 |
| 2legacy | 401 | Izzo, Anthony (1633) | Won 2-1 | +201538 |
| 3legacy | 433 | Knudson, Peter (1751) | Won 2-1 | +221560 |
| 4legacy | 470 | Um, Johnny (1554) | Lost 1-2 | -191541 |
| 5legacy | 521 | Paoli, Mark (1387) | Won 2-1 | +161557 |
| 6legacy | 434 | Phelan, Daniel (1537) | Lost 1-2 | -191538 |
| 7legacy | 408 | Gilley, Christopher C (1543) | Lost 1-2 | -181520 |
| average opponent: 1555record: 4-3 | new rating: 1520 | |||