Derrickson, Jefferson
Current rating: 1531
Record: 5-4
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 110 | Morris, Logan (1447) | Won 2-1 | +171517 |
| 2modern | 107 | Halliday, Brandon (1393) | Won 2-1 | +161533 |
| 3modern | 100 | Ragsdale, Adam (2047) | Won 2-1 | +261559 |
| 4modern | 11 | Patel, Karttik (1484) | Lost 0-2 | -191540 |
| 5modern | 199 | De Los Santos, Elijah (1507) | Won 2-1 | +171557 |
| 6modern | 123 | Esch, Matthew (1520) | Lost 1-2 | -181539 |
| 7modern | 114 | Guan, Thomas Zhennan (1777) | Won 2-0 | +221561 |
| 8modern | 138 | Prohaska, Orren (1566) | Lost 1-2 | -181543 |
| 9modern | 172 | Bogucki, Woodrow (1857) | Lost 0-2 | -121531 |
| average opponent: 1622record: 5-4 | new rating: 1531 | |||