Osterbrink, Damon
Current rating: 1482
Record: 7-8-1
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 479 | Hyman, Sam (1500) | Lost 0-2 | -191518 |
| 2standard | 487 | Reznik, Kirill (1482) | Lost 1-2 | -181500 |
| 3standard | 645 | Delmarter, Raymond (1486) | Won 2-0 | +171517 |
| 4standard | 534 | Beyerlein, William (1516) | Lost 0-2 | -181499 |
| 5standard | 566 | Read, Mike (1467) | Lost 1-2 | -181481 |
| 6standard | 501 | Jones, Michael (1563) | Won 2-1 | +191500 |
| 7standard | 378 | Lewin, James (1463) | Lost 0-2 | -181482 |
| average opponent: 1497record: 2-5 | new rating: 1482 | |||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 622 | Harley, Carter (1488) | Won 2-1 | +181518 |
| 2sealed | 464 | Polizzi, Jack (1518) | Won 2-0 | +181536 |
| 3sealed | 447 | St. Clair, Bryan (1606) | Draw 1-1 | +11537 |
| 4sealed | 393 | Smith, Joshua (1575) | Lost 0-2 | -171520 |
| 5sealed | 516 | Hoefer, Jacob (1467) | Won 2-1 | +171537 |
| 6sealed | 407 | Brown, Brian P (1533) | Lost 1-2 | -181519 |
| 7sealed | 504 | Estomba, Charles (1515) | Lost 1-2 | -181501 |
| 8sealed | 473 | Hollman, Mandy (1501) | Won 2-0 | +181519 |
| 9sealed | 413 | Francisco, Samuel Jacob S (1533) | Won 2-0 | +181537 |
| average opponent: 1526record: 5-3-1 | new rating: 1537 | |||