Gandall, Greg
Current rating: 1554
Record: 10-8
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 446 | Hammack, Jon (1795) | Lost 1-2 | -121475 |
| 2modern | 350 | Lederer, Paul (1507) | Won 2-1 | +181493 |
| 3modern | 393 | Benson, Austin (1498) | Won 0-0 | +181511 |
| 4modern | 372 | Madson, Blake (1518) | Lost 0-2 | -181493 |
| 5modern | 464 | Builta, Drake (1534) | Won 2-1 | +191512 |
| 6modern | 292 | Wesson, Thomas (1519) | Won 2-0 | +181530 |
| 7modern | 263 | Wammack, Clayton (1528) | Won 2-0 | +181548 |
| 8modern | 79 | Hendrix, Carl (1695) | Won 2-1 | +211569 |
| 9modern | 76 | Chen, Cliff (1766) | Lost 0-2 | -151554 |
| average opponent: 1596record: 6-3 | new rating: 1554 | |||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 264 | Flora, James (1500) | Won 2-0 | +181518 |
| 2modern | 42 | Roth, Derek (1471) | Won 2-1 | +171535 |
| 3modern | 94 | Diemer, Eric (1586) | Won 2-0 | +191554 |
| 4modern | 56 | Manfield, Seth (1851) | Lost 1-2 | -131541 |
| 5modern | 101 | Edwardson, Timothy (1550) | Lost 1-2 | -181523 |
| 6modern | 308 | Kline, Miles (1527) | Won 2-0 | +191542 |
| 7modern | 181 | Rodriguez, Jysf (1479) | Lost 0-2 | -201522 |
| 8modern | 174 | Poindexter, Stephen (1569) | Lost 1-2 | -171505 |
| 9modern | 201 | Morrow, Jacob (1499) | Lost 0-2 | -181487 |
| average opponent: 1559record: 4-5 | new rating: 1487 | |||