Wiedhopf, Zachary
Current rating: 1438
Record: 16-22
| Grand Prix Calgary 2019 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 125 | Gottselig, Mark (1646) | Lost 1-2 | -151454 |
| 4modern | 262 | Linton, Matthew (1518) | Won 2-0 | +191473 |
| 5modern | 95 | Kirkland, Matt (1486) | Lost 1-2 | -181455 |
| 6modern | 193 | Tsang, Charles (1471) | Lost 1-2 | -171438 |
| top | average opponent: 1530record: 1-3 | new rating: 1438 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 203 | Krantz, Benjamin (1418) | Lost 1-2 | -191457 |
| 3modern | 514 | Bustamante Jr, Richard (1498) | Lost 1-2 | -171440 |
| 4modern | 692 | Piterman, Ethan (1483) | Won 2-1 | +181458 |
| 5modern | 363 | Farnsworth, Paul (1554) | Won 2-0 | +201478 |
| 6modern | 263 | Latu, Johnny (1503) | Lost 1-2 | -171461 |
| 7modern | 410 | Steuer, Nathan (1899) | Won 2-0 | +251486 |
| 8modern | 287 | Yuan, Joshua (1528) | Lost 1-2 | -171469 |
| top | average opponent: 1555record: 3-4 | new rating: 1469 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 37 | Leahy, Nathan (1436) | Won 2-0 | +171508 |
| 3modern | 232 | Smith, Patrick (1532) | Won 2-0 | +181526 |
| 4modern | 68 | Dunn, Lucas (1481) | Won 2-0 | +171543 |
| 5modern | 43 | Zhang, Tony (1676) | Lost 0-2 | -151528 |
| 6modern | 134 | Liu, Helio (1592) | Lost 1-2 | -171511 |
| 7modern | 226 | Bradford, William (1541) | Lost 0-2 | -181493 |
| 8modern | 181 | Adachi, Hayden (1523) | Lost 1-2 | -171476 |
| top | average opponent: 1540record: 3-4 | new rating: 1476 | ||
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 49 | Tamblyn, Mitchell (1997) | Lost 1-2 | -101506 |
| 3standard | 352 | Perin, Max (1678) | Won 2-1 | +211527 |
| 4standard | 183 | Weaver, Bannon (1517) | Lost 0-2 | -181509 |
| 5standard | 322 | Barsh, Carter (1504) | Lost 0-2 | -181491 |
| top | average opponent: 1674record: 1-3 | new rating: 1491 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 151 | Bock, James (1405) | Lost 1-2 | -201495 |
| 3modern | 782 | Goldman, Sam (1498) | Won 2-0 | +181513 |
| 4modern | 1332 | Stock, Josh (1500) | Won 2-1 | +181531 |
| 5modern | 189 | Hyman, Sam (1572) | Lost 0-2 | -171514 |
| 6modern | 1351 | Barlog, David (1639) | Won 2-0 | +201534 |
| 7modern | 319 | Peniche, Gonzalo (1517) | Lost 0-2 | -181516 |
| top | average opponent: 1522record: 3-3 | new rating: 1516 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Williams, Ronald (1519) | Won 2-0 | +181518 |
| 3sealed | 357 | Jardine, Mike (1541) | Won 2-1 | +191537 |
| 4sealed | 4 | Sacher, AJ (1832) | Won 2-0 | +231560 |
| 5sealed | 52 | Radke, Cory (1542) | Lost 1-2 | -181542 |
| 6sealed | 183 | Weis, Brian (1540) | Lost 1-2 | -181524 |
| 7sealed | 310 | Blythe, David (1553) | Lost 0-2 | -181506 |
| 8sealed | 386 | Uy, Michael (1672) | Won 2-1 | +211527 |
| 9sealed | 363 | Severa, Matt (1838) | Won 2-0 | +241551 |
| 10draft | 266 | Montano, Jonathan (1561) | Lost 0-2 | -181533 |
| 11draft | 244 | Higgins, Timothy (1550) | Lost 0-2 | -181515 |
| top | average opponent: 1615record: 5-5 | new rating: 1515 | ||