Mammel, Timothy
Current rating: 1518
Record: 5-4
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 106 | Hochman, Ryan (1413) | Won 2-1 | +161516 |
| 2legacy | 80 | Morrissey, Mike (1517) | Lost 0-2 | -181498 |
| 3legacy | 444 | Crim, Peter (1499) | Lost 0-2 | -181480 |
| 4legacy | 518 | Metzloff, Ben (1480) | Won 2-0 | +181498 |
| 5legacy | 397 | [anonymous] | Lost 1-2 | -171481 |
| 6legacy | 372 | Piersma, Leah C (1482) | Won 2-1 | +181499 |
| 7legacy | 267 | Messick, Ryan (1626) | Won 2-1 | +201519 |
| 8legacy | 203 | Perfetto, Mike (1503) | Won 2-0 | +181537 |
| 9legacy | 160 | Boschee, Jacob (1519) | Lost 0-2 | -191518 |
| average opponent: 1505record: 5-4 | new rating: 1518 | |||