Karn, Jon E
Current rating: 1555
Record: 8-5
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 120 | Hotz, Brad L (1500) | Won 2-0 | +181518 |
| 2legacy | 309 | Smithee, Benjamin J (1515) | Lost 0-2 | -181500 |
| 3legacy | 321 | Rainwater, Josh M (1466) | Won 2-1 | +171517 |
| 4legacy | 383 | Mayo, Daniel (1516) | Won 2-1 | +181535 |
| 5legacy | 231 | Marasco, Aaron (1511) | Lost 0-2 | -181517 |
| 6legacy | 238 | Lozano, Andrew (1469) | Won 2-1 | +171534 |
| 7legacy | 240 | Secrease, Sean (1550) | Won 2-0 | +181552 |
| 8legacy | 128 | Uppal, Justin (1511) | Won 2-0 | +181570 |
| 9legacy | 113 | Belfatto, Michael (1649) | Won 2-0 | +191589 |
| 10legacy | 35 | Gerhart, Kevin (1501) | Lost 1-2 | -201569 |
| 11legacy | 65 | Van Deelen, Mike (1511) | Won 2-0 | +171586 |
| 12legacy | 46 | Wescoe, Craig (1918) | Lost 1-2 | -121574 |
| 13legacy | 55 | Gagnon, Joel (1522) | Lost 1-2 | -191555 |
| average opponent: 1549record: 8-5 | new rating: 1555 | |||