Koehler, Cody L
Current rating: 1476
Record: 1-3
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 464 | Lowry, William (1566) | Won 2-0 | +191519 |
| 5extended | 423 | Turning, Travis (1770) | Lost 1-2 | -131506 |
| 6extended | 478 | Ferrando, Matthew (1706) | Lost 0-2 | -151491 |
| 7extended | 483 | De Guzman, Ray (1637) | Lost 1-2 | -151476 |
| average opponent: 1670record: 1-3 | new rating: 1476 | |||