Kohorst, Erich
Current rating: 1515
| Grand Prix Richmond 2014 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1380 | Skourtis, Christopher (1548) | Lost 0-2 | -181519 |
| 2modern | 1435 | Johnson, Matthew 6465 (1481) | Won 2-0 | +181537 |
| 3modern | 1338 | Marley, Daniel (1446) | Won 2-1 | +161553 |
| 4modern | 1387 | Beavers, John (1517) | Lost 1-2 | -191534 |
| 5modern | 1383 | Machusak, Jesse (1448) | Lost 1-2 | -191515 |
| top | average opponent: 1488record: 2-3 | new rating: 1515 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 606 | Yam, Philip (1722) | Won 2-0 | +211575 |
| 2sealed | 647 | Emmons, Alex (1504) | Lost 0-2 | -201555 |
| 3sealed | 647 | Tessier, Michael (1544) | Lost 0-2 | -181537 |
| top | average opponent: 1590record: 1-2 | new rating: 1537 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 224 | Lander, stuart A (1500) | Won 2-0 | +181518 |
| 2modern | 142 | Webster, Billy (1568) | Lost 0-2 | -171501 |
| 3modern | 256 | Gibbons, Mark (1481) | Lost 0-2 | -181483 |
| 4modern | 452 | Hanna, Andrew (1434) | Won 2-1 | +171500 |
| 5modern | 362 | Mattox, Jourdan (1497) | Won 2-1 | +181518 |
| 6modern | 265 | Dewiel, Mark A (1519) | Won 2-1 | +181536 |
| 7modern | 116 | MANTI, JARROD (1485) | Won 2-1 | +171553 |
| 8modern | 90 | Aker, Ryan (1544) | Won 2-0 | +181571 |
| 9modern | 94 | Pardee, Samuel (1624) | Lost 1-2 | -171554 |
| top | average opponent: 1517record: 6-3 | new rating: 1554 | ||