Bongiorno, Dan
Current rating: 1513
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 404 | Young, Garrett (1500) | Won 2-0 | +191466 |
| 2legacy | 567 | Badran, Shady (1598) | Won 2-0 | +211487 |
| 3legacy | 337 | Blough, Alex (1574) | Lost 1-2 | -171470 |
| 4legacy | 398 | Bartholomew, Travis (1488) | Won 2-0 | +191489 |
| 5legacy | 191 | Jordan, Daniel (1791) | Won 2-1 | +231512 |
| 6legacy | 99 | Warren, Edward (1564) | Won 2-1 | +191531 |
| 7legacy | 36 | Richardson, David (1559) | Lost 1-2 | -181513 |
| 8legacy | 253 | Prajzner, Ross (1469) | Won 2-1 | +181531 |
| 9legacy | 77 | Potts, Charles (1557) | Lost 0-2 | -181513 |
| top | average opponent: 1566record: 6-3 | new rating: 1513 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 172 | Richmond, James (1500) | Won 2-0 | +191482 |
| 2legacy | 169 | Lauer, Steven (1450) | Lost 1-2 | -191463 |
| 3legacy | 168 | Allen, Evan (1448) | Lost 0-2 | -181445 |
| 4legacy | 413 | Shield, Jeffrey (1496) | Lost 0-2 | -171428 |
| 5legacy | 406 | Mayo, Michael F (1518) | Won 2-0 | +201448 |
| 6legacy | 324 | Mork, Elliot (1436) | Won 2-0 | +181466 |
| 7legacy | 274 | Scott, Taylor (1457) | Lost 1-2 | -191447 |
| top | average opponent: 1472record: 3-4 | new rating: 1447 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 936 | Esteves, Nick (1500) | Lost 1-2 | -181482 |
| 2standard | 860 | Valburg, Claire (1447) | Won 2-0 | +171499 |
| 3standard | 822 | Hindla, Jeff S (1500) | Lost 0-2 | -181481 |
| 4standard | 908 | Bart, Mitchael (1483) | Lost 0-2 | -181463 |
| top | average opponent: 1482record: 1-3 | new rating: 1463 | ||