McKay, Zachary
Current rating: 1662
| Grand Prix Charlotte 2016 (modern) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 766 | Graves, Brian (1500) | Won 2-0 | +161601 |
| 2modern | 239 | Violet, Joe (1518) | Won 2-0 | +171618 |
| 3modern | 18 | Amundsen, Leslie (1486) | Lost 0-2 | -211597 |
| 4modern | 113 | Guess, Brian (1421) | Won 2-1 | +151612 |
| 5modern | 396 | Davis, Katherine (1539) | Won 2-1 | +171629 |
| 6modern | 495 | Tracey, Justin (1543) | Won 2-0 | +161645 |
| 7modern | 113 | Warren, Michael (1476) | Won 2-0 | +151660 |
| 8modern | 107 | Adinolfi, Vincent (1570) | Lost 0-2 | -191641 |
| 9modern | 137 | Linne, Mason (1692) | Won 2-0 | +181659 |
| 10modern | 129 | Tilley, Gabriel (1577) | Won 2-1 | +171676 |
| 11modern | 70 | Macaraeg, Tad (1718) | Lost 0-2 | -171659 |
| 12modern | 72 | Wentz, Jake (1541) | Won 2-0 | +161675 |
| 13modern | 65 | Soorani, Shaheen (1987) | Won 2-1 | +231698 |
| 14modern | 42 | Brown, Max (1797) | Lost 1-2 | -161682 |
| 15modern | 99 | Humphreys, Daniel (1586) | Lost 1-2 | -201662 |
| top | average opponent: 1597record: 10-5 | new rating: 1662 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 316 | Hendrichs, Brandon (1500) | Won 2-0 | +171571 |
| 2modern | 493 | Frink, Chance (1582) | Won 2-0 | +181589 |
| 3modern | 3 | Ziegler, Anton (1537) | Won 2-1 | +171606 |
| 4modern | 243 | Barton, Nate (1627) | Lost 0-2 | -181588 |
| 5modern | 290 | Zehner, Zack (1534) | Won 2-1 | +171605 |
| 6modern | 195 | Cheng, Nicholas (1650) | Won 2-0 | +191624 |
| 7modern | 125 | Baker, Steven (1544) | Lost 1-2 | -191605 |
| 8modern | 288 | Casella, Pete (1490) | Lost 0-2 | -201585 |
| top | average opponent: 1558record: 5-3 | new rating: 1585 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 174 | Diliberto, Matthew (1500) | Lost 1-2 | -181482 |
| 2modern | 386 | Galinkin, Erick (1502) | Lost 1-2 | -181464 |
| 3modern | 558 | Stewart, Jonathan (1465) | Won 2-0 | +181482 |
| 4modern | 477 | Stamper, Michael (1473) | Won 2-1 | +181500 |
| 5modern | 314 | Brown, Jonathan (1515) | Won 2-0 | +181518 |
| 6modern | 332 | Pickrell, Bradley (1519) | Won 2-0 | +191537 |
| 7modern | 227 | Freeman, Chris (1509) | Won 2-0 | +171554 |
| 8modern | 144 | Boonstra, Tyler (1555) | Won 2-1 | +181572 |
| 9modern | 46 | Eaton, Ryan (1560) | Lost 1-2 | -181554 |
| top | average opponent: 1511record: 6-3 | new rating: 1554 | ||