Koger, Eric
Current rating: 1460
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Simon, Gregory (1560) | Won 2-1 | +191511 |
| 2modern | 6 | Gates, Cody (1556) | Won 2-1 | +191530 |
| 3modern | 241 | Reed, Sam (1484) | Lost 1-2 | -191511 |
| 4modern | 692 | Duggan, Matthew [USA] (1707) | Lost 1-2 | -151496 |
| 5modern | 525 | Nichols, Walter (1466) | Lost 0-2 | -181478 |
| 6modern | 851 | Magana, Edgar (1486) | Lost 0-2 | -181460 |
| top | average opponent: 1543record: 2-4 | new rating: 1460 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 191 | Miller, Ben (1598) | Won 2-1 | +201508 |
| 2modern | 19 | Crawford, Derek (1518) | Won 2-0 | +181526 |
| 3modern | 31 | Thorson, Ricky (1613) | Lost 0-2 | -171509 |
| 4modern | 641 | Turpin, Lucas (1516) | Lost 0-2 | -171492 |
| top | average opponent: 1561record: 2-2 | new rating: 1492 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 427 | van Medevoort, Robert (1824) | Lost 0-2 | -121488 |
| top | record: 0-1 | new rating: 1488 | ||