Jost, Mark
Current rating: 1494
Record: 7-6 (GP) / 1-5 (professional)
| Grand Prix London 2019 (WAR sealed) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 361 | Cochard, Jordan (1465) | Won 2-1 | +191441 |
| C2sealed | 167 | Madsen, Benton (1665) | Won 2-0 | +221463 |
| C3sealed | 7 | Molder, Petter (1554) | Lost 1-2 | -161447 |
| C4sealed | 145 | Di Cesare, Marco (1551) | Won 2-1 | +201467 |
| C5sealed | 37 | Leadbeater, Thomas (1565) | Won 2-0 | +201487 |
| C6sealed | 61 | Maier, Jordan (1620) | Won 2-1 | +201507 |
| C7sealed | 35 | van der Linden, Leon (1766) | Lost 1-2 | -131494 |
| top | average opponent: 1598record: 5-2 | new rating: 1494 | ||
| Mythic Championship II (modern) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 234 | Garnham, Matthew (1783) | Lost 0-2 | -131450 |
| 2draft | 222 | Williams, Max (1782) | Lost 1-2 | -121438 |
| 3draft | 161 | Kihara, Atsuki (1798) | Lost 0-2 | -111427 |
| 4modern | 254 | Ihlenfeldt, Samuel (1807) | Lost 0-2 | -121415 |
| 5modern | 248 | Giles, Devon (1635) | Won 2-0 | +221437 |
| 6modern | 235 | Kaga, Hiroyuki (1625) | Lost 0-2 | -151422 |
| top | average opponent: 1738record: 1-5 | new rating: 1422 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 549 | Snajdr, Ivan (1465) | Lost 1-2 | -191481 |
| 2sealed | 1046 | Podmol, Martin (1344) | Won 2-0 | +161497 |
| 3sealed | 830 | Merhav, Nitai (1503) | Won 2-0 | +181515 |
| 4sealed | 445 | Delsert, Benjamin (1453) | Lost 0-2 | -191496 |
| 5sealed | 757 | Sucquet, Alexander (1566) | Lost 0-2 | -171479 |
| 6sealed | 795 | Buti, Jean-Philippe (1568) | Lost 0-2 | -161463 |
| top | average opponent: 1483record: 2-4 | new rating: 1463 | ||