Hoffman, Michael
Current rating: 1422
Record: 6-11-2
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 387 | Picha, Kyle (1500) | Lost 0-2 | -171399 |
| 2standard | 412 | Cardenas Covarrubias, Jorge (1481) | Draw 1-1 | +21401 |
| 3standard | 597 | Ross, Benjamin (1482) | Draw 1-1 | +11402 |
| 4standard | 645 | Lor, Jayme (1483) | Won 2-0 | +201422 |
| 5standard | 529 | Manary, Faith (1333) | Won 2-1 | +161438 |
| 6standard | 400 | Banfe, Brett (1523) | Lost 1-2 | -161422 |
| top | average opponent: 1467record: 2-2-2 | new rating: 1422 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 348 | Autry, William T (1500) | Lost 0-2 | -181450 |
| 2standard | 453 | Phan, Sinh (1482) | Lost 0-2 | -171433 |
| 3standard | 447 | LeClair, Ryan (1464) | Lost 0-2 | -171416 |
| top | average opponent: 1482record: 0-3 | new rating: 1416 | ||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 183 | Miller, Christopher (1419) | Lost 1-2 | -191463 |
| 2sealed | 278 | Moseley, Jeffrey (1482) | Won 2-1 | +181481 |
| 3sealed | 245 | Yu, Steve (1519) | Lost 0-2 | -171464 |
| 4sealed | 321 | Taylor, Jason (1602) | Won 2-0 | +211485 |
| 5sealed | 250 | Nielsen, Bill (1557) | Lost 0-2 | -171468 |
| top | average opponent: 1516record: 2-3 | new rating: 1468 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | White, Tom (1500) | Won 2-0 | +181518 |
| 2sealed | 90 | Klingele, Steve (1518) | Won 2-0 | +181536 |
| 3sealed | 56 | Fertik, Elliot (1545) | Lost 0-2 | -181518 |
| 4sealed | 182 | Fioretta, Scott (1519) | Lost 0-2 | -181500 |
| 5sealed | 155 | Littletin, Matt (1500) | Lost 1-2 | -181482 |
| top | average opponent: 1516record: 2-3 | new rating: 1482 | ||