Jacoby, Michael
Current rating: 1504
Record: 5-5
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 61 | Baldwin, Aiden (1500) | Won 2-1 | +181537 |
| 2legacy | 269 | Bagha, Jacob (1521) | Lost 0-2 | -181519 |
| 3legacy | 268 | Sosbe, Justin (1481) | Won 2-0 | +171536 |
| 4legacy | 258 | Hatfield, Jesse (1596) | Lost 0-2 | -171519 |
| 5legacy | 333 | Nagy, Andrew (1662) | Lost 0-2 | -151504 |
| average opponent: 1552record: 2-3 | new rating: 1504 | |||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 102 | McKercher, Joseph (1500) | Won 2-0 | +181518 |
| 2sealed | 130 | Toelken, Stewart (1535) | Lost 0-2 | -181500 |
| 3sealed | 275 | Pepion, James (1482) | Won 2-0 | +181518 |
| 4sealed | 207 | Cabot, James (1560) | Won 2-0 | +191537 |
| 5sealed | 175 | Porter, Jared (1561) | Lost 1-2 | -181519 |
| average opponent: 1528record: 3-2 | new rating: 1519 | |||