Porter, Joshua C
Current rating: 1539
Record: 5-3
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 113 | Gustafson, Alex R (1500) | Won 2-0 | +181518 |
| 2legacy | 43 | Ellis, Jordan (1518) | Won 1-0 | +181536 |
| 3legacy | 38 | Peck, Donnie (1559) | Lost 1-2 | -181518 |
| 4legacy | 146 | Collier, Aaron (1517) | Won 2-1 | +181536 |
| 5legacy | 73 | Mangner, Sean (1702) | Lost 0-2 | -151521 |
| 6legacy | 131 | Pfender, Edward (1527) | Won 2-1 | +191540 |
| 7legacy | 124 | McKeirnan, Shannon P (1520) | Won 2-0 | +171557 |
| 8legacy | 63 | Musser, Dan (1563) | Lost 0-2 | -181539 |
| average opponent: 1551record: 5-3 | new rating: 1539 | |||