Cuff, Jacob
Current rating: 1485
Record: 5-6
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 737 | Maroti, Andras (1545) | Won 2-0 | +191520 |
| 2sealed | 594 | Quinteros, Simon (1449) | Lost 1-2 | -191501 |
| 3sealed | 873 | Bauer, Peter (1562) | Lost 1-2 | -171484 |
| 4sealed | 895 | Milota, Daniel (1513) | Won 2-0 | +191503 |
| 5sealed | 595 | Do Tien, Hung (1504) | Lost 0-2 | -181485 |
| average opponent: 1515record: 2-3 | new rating: 1485 | |||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Anderson, Glenn (1481) | Lost 0-2 | -181482 |
| 2sealed | 152 | Broneske, Travis (1482) | Won 2-1 | +181500 |
| 3sealed | 100 | Cook, Richard (1572) | Lost 0-2 | -171483 |
| 4sealed | 155 | Dietrich, Jake (1482) | Won 2-0 | +181501 |
| 5sealed | 140 | Mccarthy, Justin (1500) | Won 2-0 | +181519 |
| 6sealed | 88 | Pu, Sherwin (1544) | Lost 1-2 | -181501 |
| average opponent: 1510record: 3-3 | new rating: 1501 | |||