Ziebold, Andre
Current rating: 1417
| Grand Prix Columbus 2019 (modern) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 36 | Morter, Rory (1500) | Won 2-0 | +191459 |
| 2modern | 6 | Weaver, Shawn (1384) | Won 2-0 | +171476 |
| 3modern | 108 | Bartlett, Andrew (1508) | Lost 0-2 | -181458 |
| 4modern | 121 | Starrs, Thomas (1521) | Won 2-0 | +191477 |
| 5modern | 81 | Boggemes, Kyle (1972) | Lost 0-2 | -91468 |
| 6modern | 171 | Preeshl, Tony (1588) | Lost 1-2 | -161452 |
| 7modern | 143 | McCready, Robert (1493) | Lost 0-2 | -171435 |
| 8modern | 150 | Nossett, Miles (1475) | Lost 0-2 | -181417 |
| top | average opponent: 1555record: 3-5 | new rating: 1417 | ||
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Kail, Ray (1670) | Lost 1-2 | -141457 |
| 2sealed | 168 | Essenmacher, Hans (1483) | Lost 0-2 | -181439 |
| 3sealed | 298 | Pilichowski, Scott (1440) | Won 2-0 | +181457 |
| 4sealed | 243 | Leathers, David (1480) | Lost 1-2 | -171440 |
| top | average opponent: 1518record: 1-3 | new rating: 1440 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 82 | Collins, Ari (1518) | Won 2-0 | +181518 |
| 4standard | 121 | Weihe, Sean (1786) | Lost 1-2 | -131505 |
| 5standard | 264 | Ward, Brandt (1591) | Lost 0-2 | -161489 |
| 6standard | 261 | McCarty, Ryan (1528) | Lost 0-2 | -181471 |
| top | average opponent: 1606record: 1-3 | new rating: 1471 | ||