Kadonsky, David
Current rating: 1483
Record: 2-3
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Lang, Eric (1500) | Lost 1-2 | -181482 |
| 2sealed | 254 | Good, Kenny (1482) | Won 2-0 | +181500 |
| 3sealed | 298 | Hoon, Ray (1501) | Won 2-0 | +181518 |
| 4sealed | 166 | Racht, Adam (1591) | Lost 1-2 | -171501 |
| 5sealed | 219 | Davis, Robb (1484) | Lost 0-2 | -181483 |
| average opponent: 1512record: 2-3 | new rating: 1483 | |||