Therkorn, Richard
Current rating: 1523
Record: 5-4
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Furfari, Tommy (1500) | Won 2-1 | +181518 |
| 2sealed | 138 | Engel, Nicholas (1518) | Won 2-1 | +181536 |
| 3sealed | 7 | Rogers, Chris C (1501) | Lost 0-2 | -191517 |
| 4sealed | 162 | Mills, Michael (1571) | Lost 0-2 | -171500 |
| 5sealed | 241 | Langer, Brian (1500) | Won 2-0 | +181518 |
| 6sealed | 199 | Manning, Christopher (1681) | Won 2-0 | +211539 |
| 7sealed | 112 | Zheng, Frank (1646) | Lost 0-2 | -161523 |
| average opponent: 1560record: 4-3 | new rating: 1523 | |||
| Grand Prix New Jersey 2006 (TSP limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Platt, Mark G (1500) | Won 2-0 | +181518 |
| 2sealed | 162 | Wolansky, Steven (1512) | Lost 0-2 | -181500 |
| average opponent: 1506record: 1-1 | new rating: 1500 | |||