Amos, Jeff
Current rating: 1496
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 296 | Guitard, Sean (1409) | Won 2-0 | +171471 |
| 2sealed | 100 | Scott, Mackenzie (1499) | Won 2-0 | +181489 |
| 3sealed | 224 | Jones, Callahan (1726) | Lost 0-2 | -131476 |
| 4sealed | 138 | Lussier, Alexandre (1550) | Lost 0-2 | -171459 |
| 5sealed | 316 | Portuese, Tom (1503) | Won 2-1 | +191478 |
| 6sealed | 237 | Carini, Stephane (1503) | Won 2-1 | +181496 |
| 7sealed | 157 | Johnson, Larry (1398) | Won 2-1 | +161512 |
| 8sealed | 84 | Xu, Jin (1623) | Lost 1-2 | -161496 |
| top | average opponent: 1526record: 5-3 | new rating: 1496 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 372 | Gambale, Jason (1500) | Won 2-0 | +191465 |
| 2sealed | 372 | Jarmak, Chris (1492) | Won 2-0 | +191484 |
| 3sealed | 201 | Wolchesky, Elliott W (1535) | Lost 0-2 | -171467 |
| 4sealed | 525 | Berlin, Adam (1528) | Won 2-1 | +191486 |
| 5sealed | 373 | Robert, Mathieu (1538) | Lost 1-2 | -171469 |
| 6sealed | 327 | Rudder, Christian (1623) | Lost 0-2 | -151454 |
| top | average opponent: 1536record: 3-3 | new rating: 1454 | ||
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 195 | McAvinue, Kyle (1500) | Lost 0-2 | -181482 |
| 2block | 368 | Tady, Chad (1498) | Lost 0-2 | -181464 |
| 3block | 418 | raiff, brian (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1487record: 0-3 | new rating: 1446 | ||