Isenhoff, Benjamin
Current rating: 1399
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Hoose, Maxwell (1588) | Lost 1-2 | -151433 |
| 2sealed | 163 | Hughes, Malita (1482) | Lost 0-2 | -171416 |
| 3sealed | 319 | McIntosh, Christopher (1482) | Lost 0-2 | -171399 |
| top | average opponent: 1517record: 0-3 | new rating: 1399 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Blatz, Spencer (1539) | Lost 0-2 | -171448 |
| top | record: 0-1 | new rating: 1448 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 52 | Royston, Branden (1500) | Won 2-0 | +181518 |
| 2modern | 388 | King, Michiel (1518) | Lost 0-2 | -181500 |
| 3modern | 798 | Bruno, Dominick (1469) | Lost 0-2 | -191481 |
| 4modern | 965 | Blackburn, Sammy (1480) | Lost 1-2 | -181463 |
| 5modern | 1107 | Doty, Taylor (1463) | Won 2-1 | +181481 |
| 6modern | 845 | Bickle, Phillip (1555) | Lost 0-2 | -161465 |
| top | average opponent: 1498record: 2-4 | new rating: 1465 | ||