haren, jonathan
Current rating: 1573
Record: 9-6
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 270 | Taint, Russell (1477) | Won 2-1 | +181518 |
| 2sealed | 174 | Wilson, Brian (1468) | Won 2-0 | +171535 |
| 3sealed | 56 | Salvat, Jaime (1508) | Won 2-0 | +171552 |
| 4sealed | 6 | Jefferson, Matt (1558) | Won 2-1 | +181570 |
| 5sealed | 25 | Kasper, Matthew (1598) | Won 2-0 | +191589 |
| 6sealed | 4 | Pustilnik, Michael (1776) | Won 2-0 | +211610 |
| 7sealed | 1 | Heiss, Nathan (1776) | Won 2-0 | +211631 |
| 8sealed | 3 | Lampert, Josh (1623) | Lost 0-2 | -181613 |
| 9sealed | 14 | Rickard, Brandon (1533) | Lost 0-2 | -191594 |
| 10draft | 27 | Lebedowicz, Osyp (1903) | Lost 0-2 | -131581 |
| 11draft | 47 | King, Stephen (1547) | Won 2-0 | +171598 |
| 12draft | 30 | Sonne, Jonathan (1842) | Lost 1-2 | -131585 |
| 13draft | 45 | Costigan, Jill (1696) | Won 2-1 | +201605 |
| 14draft | 29 | Lebedowicz, Osyp (1884) | Lost 1-2 | -131592 |
| 15draft | 40 | Kanon, Kyle (1540) | Lost 0-2 | -191573 |
| average opponent: 1649record: 9-6 | new rating: 1573 | |||