Messick, Jacob A
Current rating: 1503
Record: 4-4-1
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 361 | Padilla, Hector (1500) | Lost 1-2 | -181483 |
| 2standard | 347 | Scott, Daniel (1551) | Won 2-1 | +201503 |
| 3standard | 226 | Vegh, Michael (1518) | Won 2-1 | +181521 |
| 4standard | 369 | Watson, Andrew (1517) | Lost 0-2 | -181503 |
| average opponent: 1521record: 2-2 | new rating: 1503 | |||
| Grand Prix Montreal 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 65 | Vegh, Michael (1500) | Lost 0-2 | -181482 |
| 2block | 291 | Kasunich, Rodney (1500) | Won 2-0 | +181500 |
| 3block | 218 | Schnayer, David (1500) | Lost 0-2 | -181482 |
| 4block | 300 | Metras, Guillaume (1482) | Won 2-0 | +181500 |
| 5block | 216 | Glass, John (1559) | Draw 1-1 | +11501 |
| average opponent: 1508record: 2-2-1 | new rating: 1501 | |||