Wiediger, Ronald
Current rating: 1471
| Grand Prix Vancouver 2017 (modern) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2415 | Anderson, Aidan (1500) | Lost 1-2 | -171422 |
| 2modern | 2563 | Jackman, Austin (1482) | Won 2-0 | +191441 |
| 3modern | 2386 | Chelf, Ben (1401) | Won 2-0 | +171458 |
| 4modern | 2291 | Cunningham, Jeff (2013) | Won 2-0 | +271485 |
| 5modern | 2169 | Gleixner, James (1540) | Won 2-0 | +191504 |
| 6modern | 2191 | Knox, Nathaniel (1604) | Lost 0-2 | -161488 |
| 7modern | 2284 | Jules, Morgan (1515) | Lost 0-2 | -171471 |
| top | average opponent: 1579record: 4-3 | new rating: 1471 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 292 | Weitz, Benjamin (1950) | Lost 1-2 | -101470 |
| 4modern | 546 | Roybal, Dane (1696) | Won 2-0 | +221492 |
| 5modern | 190 | Lai, Kevin (1562) | Won 2-1 | +191511 |
| 6modern | 88 | Shipley, Harry (1487) | Lost 0-2 | -181493 |
| 7modern | 235 | Jacobo, Israel (1480) | Lost 1-2 | -191474 |
| 8modern | 352 | Hyun, Ryan (1473) | Lost 0-2 | -181456 |
| 9modern | 497 | Brewe, Garth (1470) | Lost 1-2 | -171439 |
| top | average opponent: 1588record: 2-5 | new rating: 1439 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 103 | Clark, Martin (1500) | Won 2-1 | +181518 |
| 2legacy | 422 | Roemer, Ross (1685) | Lost 0-2 | -151503 |
| 3legacy | 696 | Stroud, David (1777) | Lost 1-2 | -131490 |
| 4legacy | 655 | Eberle, Stefan (1415) | Won 2-0 | +171507 |
| 5legacy | 617 | Thompson, Gerry (2083) | Lost 0-2 | -91498 |
| 6legacy | 645 | Chan, Dru (1484) | Lost 0-2 | -181480 |
| top | average opponent: 1657record: 2-4 | new rating: 1480 | ||