Gibbens, Jim
Current rating: 1523
Record: 3-2-1
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1009 | McGregor, Ben (1498) | Draw 1-1 | 01500 |
| 2modern | 315 | Gannan, Zach (1480) | Won 2-1 | +181518 |
| 3modern | 260 | Welling, Forrest (1505) | Won 0-0 | +171535 |
| 4modern | 141 | Soukup, Mitchell (1536) | Lost 0-2 | -181517 |
| 5modern | 1034 | Walworth, Jacob (1520) | Won 2-0 | +181535 |
| 6modern | 172 | Anderson, Neil (1839) | Lost 0-2 | -121523 |
| average opponent: 1563record: 3-2-1 | new rating: 1523 | |||