Zulauf, Joshua
Current rating: 1513
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Breckenridge, Timothy (1500) | Won 2-1 | +191485 |
| 2standard | 45 | Nix, Robert (1629) | Won 2-1 | +201505 |
| 3standard | 33 | Zezula, John (1703) | Lost 0-2 | -141491 |
| 4standard | 191 | Carter, Justin (1446) | Lost 0-2 | -191472 |
| 5standard | 151 | Reynoldson, Jacob (1507) | Won 2-0 | +191491 |
| 6standard | 99 | Saltzman, Thomas (1503) | Won 2-0 | +181509 |
| 7standard | 100 | Mindt, Aaron (1617) | Won 2-0 | +201529 |
| 8standard | 49 | Peterson, Jackson (1647) | Lost 0-2 | -161513 |
| top | average opponent: 1569record: 5-3 | new rating: 1513 | ||
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 534 | Northrop, Kory (1500) | Won 2-0 | +181513 |
| A2sealed | 370 | Ling, Matthew (1778) | Lost 0-2 | -131500 |
| A3sealed | 298 | Raymond, Michael (1604) | Lost 1-2 | -161484 |
| A4sealed | 329 | Phipps, Darcy (1481) | Lost 0-2 | -181466 |
| top | average opponent: 1591record: 1-3 | new rating: 1466 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 328 | Gunderson, Isaiah (1628) | Won 2-1 | +201520 |
| 3standard | 32 | Smith, Isaac (1534) | Lost 1-2 | -171503 |
| 4standard | 396 | Bloodworth, Casey (1497) | Won 2-0 | +171520 |
| 5standard | 237 | Walsh, Max (1769) | Won 2-1 | +231543 |
| 6standard | 168 | Fulgium, James (1920) | Lost 1-2 | -121531 |
| 7standard | 210 | Curtin, Matthew (1475) | Lost 1-2 | -191512 |
| 8standard | 348 | Yu, Libang (1563) | Lost 1-2 | -171495 |
| top | average opponent: 1627record: 3-4 | new rating: 1495 | ||