Codman, Jon
Current rating: 1696
Record: 12-3
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 618 | VanSlyke, Brad (1529) | Won 2-1 | +191519 |
| 2sealed | 181 | Coleman, Matt (1498) | Won 2-0 | +171536 |
| 3sealed | 63 | Sauer-Hart, Seth (1536) | Won 2-1 | +181554 |
| 4sealed | 134 | Nelson, Brad (2045) | Won 2-0 | +261580 |
| 5sealed | 18 | Shenhar, Shahar (1988) | Lost 0-2 | -111569 |
| 6sealed | 115 | Fuson, Robert (1551) | Lost 0-2 | -181551 |
| 7sealed | 265 | Heyrman, Alex (1539) | Won 2-0 | +181569 |
| 8sealed | 287 | Long, Shon (1628) | Won 2-0 | +191588 |
| 9sealed | 125 | Jianu, Michael (1578) | Won 2-0 | +181606 |
| 10draft | 101 | McDuffie, Korey (2033) | Won 2-1 | +251631 |
| 11draft | 118 | Sheets, Derrick (1659) | Won 2-0 | +191650 |
| 12draft | 71 | McCoy, David (1608) | Won 2-1 | +171667 |
| 13draft | 5 | Severson, Eric (2081) | Lost 0-2 | -111656 |
| 14draft | 5 | Honigmann, Joshua (1686) | Won 2-0 | +191675 |
| 15draft | 5 | Chen, Chao (1883) | Won 2-1 | +211696 |
| average opponent: 1723record: 12-3 | new rating: 1696 | |||