Kahl, Ethan
Current rating: 1497
Record: 6-6
| Grand Prix Kansas City 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 201 | Grantham, Michael (1417) | Won 2-1 | +161516 |
| 2modern | 198 | Schroeder, Jeran (1495) | Won 2-1 | +181534 |
| 3modern | 77 | Larson, Jacob (1500) | Won 2-0 | +171551 |
| 4modern | 116 | Price, Joseph A (1539) | Lost 1-2 | -181533 |
| 5modern | 101 | Peterson, Gabriel (1508) | Lost 1-2 | -191514 |
| 6modern | 162 | Burke, Ryan (1518) | Lost 0-2 | -171497 |
| average opponent: 1496record: 3-3 | new rating: 1497 | |||
| Grand Prix Lincoln 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 73 | Potts, Doug (1577) | Won 2-1 | +191519 |
| 2modern | 52 | Richardson, Kenn R (1520) | Won 2-1 | +181537 |
| 3modern | 129 | Stark, Matthew (1489) | Won 2-1 | +181555 |
| 4modern | 50 | Martell, Eric (1500) | Lost 0-2 | -191536 |
| 5modern | 70 | Herstead, Nicholas (1558) | Lost 1-2 | -181518 |
| 6modern | 132 | Russell, James (1504) | Lost 1-2 | -181500 |
| average opponent: 1525record: 3-3 | new rating: 1500 | |||