Duval, Zachary
Current rating: 1498
Record: 7-8
| Grand Prix Omaha 2017 (AKH standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 105 | Yang, Fanchen (1488) | Won 2-0 | +181482 |
| 4standard | 71 | Schussler, Eric (1552) | Lost 1-2 | -161466 |
| 5standard | 62 | Kuzma, Chuck (1573) | Won 2-0 | +201486 |
| 6standard | 89 | Wilt, Carl (1612) | Won 2-1 | +201506 |
| 7standard | 48 | Atchison, Taylor (1890) | Lost 0-2 | -111495 |
| 8standard | 61 | Wyss, Benjamin (1566) | Won 2-1 | +191514 |
| 9standard | 57 | Weston, Kyle (1552) | Won 2-1 | +191533 |
| 10standard | 33 | Carlson, Matt (1700) | Lost 0-2 | -151518 |
| 11standard | 65 | Murray, Ryan (1446) | Lost 1-2 | -201498 |
| average opponent: 1598record: 5-4 | new rating: 1498 | |||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Starkson, Travis (1500) | Won 2-0 | +181518 |
| 2standard | 50 | Yahnke, Michael (1520) | Lost 0-2 | -181500 |
| 3standard | 477 | DelMain, Kieran (1500) | Won 2-1 | +181518 |
| 4standard | 454 | Fischer, Jacob (1567) | Lost 1-2 | -171501 |
| 5standard | 527 | Helbig, Drew (1447) | Lost 0-2 | -191482 |
| 6standard | 490 | Blazinski, Brandon (1480) | Lost 0-2 | -181464 |
| average opponent: 1502record: 2-4 | new rating: 1464 | |||