Adkison, Gary
Current rating: 1463
Record: 1-3-4
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | van Kooten, Tobias (1500) | Lost 0-2 | -181481 |
| 2sealed | 191 | Nommensen, Knud (1484) | Draw 1-1 | 01481 |
| 3sealed | 188 | Skorolupov, Nikolai (1479) | Lost 0-2 | -181463 |
| 4sealed | 220 | Gruhn, Alexander (1430) | Draw 1-1 | 01463 |
| average opponent: 1473record: 0-2-2 | new rating: 1463 | |||
| Grand Prix Barcelona 1999 (USG sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 135 | Bucquet, Stephane (1500) | Draw 0-0 | 01500 |
| 3sealed | 152 | Bakri, Juan (1482) | Lost 0-0 | -181482 |
| 4sealed | 174 | Diez, Omar (1500) | Won 0-0 | +181500 |
| 5sealed | 144 | Cuesta, David (1465) | Draw 0-0 | -11499 |
| average opponent: 1487record: 1-1-2 | new rating: 1499 | |||