Zug, John
Current rating: 1456
| Grand Prix Charlotte 2016 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 320 | Mansoor, Mat M (1714) | Lost 0-2 | -131435 |
| 2modern | 689 | Peralta, Tristan (1465) | Lost 0-2 | -181417 |
| 3modern | 1047 | Johnson, Bailey (1463) | Won 2-1 | +191436 |
| 4modern | 1033 | Satterfield, Nathan (1506) | Won 2-0 | +201456 |
| top | average opponent: 1537record: 2-2 | new rating: 1456 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 566 | Mellem, David (1563) | Lost 0-2 | -171466 |
| 2modern | 880 | Palmer, Ryan (1488) | Lost 1-2 | -181448 |
| 3modern | 1133 | Cast, Tony (1382) | Lost 1-2 | -191429 |
| 4modern | 1207 | Greer, Taylor (1446) | Won 2-0 | +191448 |
| 5modern | 1114 | Jefferson, James (1463) | Won 2-0 | +181466 |
| 6modern | 906 | Eckstrom, Donny (1482) | Lost 0-2 | -181448 |
| top | average opponent: 1471record: 2-4 | new rating: 1448 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 338 | Jordan, Caleb (1513) | Won 2-0 | +181518 |
| 2modern | 337 | Dowling, Michael (1599) | Lost 0-2 | -161502 |
| 3modern | 772 | Wilson, Douglas (1464) | Lost 0-2 | -191483 |
| 4modern | 1071 | Beil, Nathanial (1480) | Won 2-0 | +181501 |
| 5modern | 635 | Lucrezi, Jacob (1480) | Lost 0-2 | -181483 |
| top | average opponent: 1507record: 2-3 | new rating: 1483 | ||