Koontz, Brent M
Current rating: 1465
Record: 1-3
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Hubbard, Steven (1527) | Lost 0-2 | -171483 |
| 2sealed | 544 | Wilhelm, Zachary (1483) | Lost 1-2 | -181465 |
| 3sealed | 629 | Grinnell, Jeffrey (1512) | Won 2-1 | +181483 |
| 4sealed | 574 | King, David (1461) | Lost 0-2 | -181465 |
| average opponent: 1496record: 1-3 | new rating: 1465 | |||