Gerbic, Jim
Current rating: 1417
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Snow, David (1500) | Lost 0-2 | -171415 |
| 2sealed | 313 | Vanderwielen, J (1432) | Won 2-1 | +191434 |
| 3sealed | 152 | Warren, Ward (1499) | Lost 0-2 | -171417 |
| top | average opponent: 1477record: 1-2 | new rating: 1417 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 174 | Prue, Jacob (1500) | Lost 0-2 | -171429 |
| 2block | 165 | Kielian, Christopher (1482) | Won 2-0 | +191448 |
| 3block | 154 | Larsen, Nick (1500) | Lost 0-1 | -171431 |
| 4block | 207 | Maher, Greg (1484) | Won 2-0 | +191450 |
| 5block | 169 | Falk, Andy (1456) | Lost 0-2 | -181432 |
| top | average opponent: 1484record: 2-3 | new rating: 1432 | ||
| Grand Prix Cleveland 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 144 | Curtis, Criaig (1500) | Lost 0-2 | -181482 |
| 2block | 239 | McKenzie, Chadwick (1482) | Lost 0-2 | -181464 |
| 3block | 238 | Datz, Brian (1465) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||