Vellguth, Andreas
Current rating: 1484
| Regional Championships Lille 2023 (pioneer) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 210 | Nikitin, Aleksandr (1613) | Lost 0-2 | -151446 |
| 2pioneer | 221 | Pruchniewicz, Jan (1965) | Lost 0-2 | -91437 |
| 3pioneer | 282 | Belacca, Marco (1515) | Won 2-1 | +191456 |
| 4pioneer | 201 | Boulinguiez, Dylan (1510) | Won 2-0 | +191475 |
| 5pioneer | 139 | Garrido, Victor (1598) | Won 2-0 | +201495 |
| 6pioneer | 77 | Leonor, Christopher Eric (1523) | Lost 1-2 | -171478 |
| 7pioneer | 154 | Giorgeschi, Gabriele (1613) | Won 2-1 | +201498 |
| 8pioneer | 155 | Mango, Gennaro (1688) | Lost 1-2 | -141484 |
| top | average opponent: 1628record: 4-4 | new rating: 1484 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 416 | Kohl, Reinhold (1849) | Lost 0-2 | -121453 |
| 5extended | 481 | Frederiksen, Anders (1642) | Lost 0-2 | -141439 |
| 6extended | 531 | Maurer, Tobias (1541) | Won 2-0 | +201459 |
| 7extended | 493 | Korbel, Jochen (1538) | Won 2-1 | +191478 |
| 8extended | 459 | Schumann, Tino (1544) | Lost 1-2 | -171461 |
| top | average opponent: 1623record: 2-3 | new rating: 1461 | ||
| Grand Prix Vienna 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 75 | Gallus, Andrej (1563) | Lost 1-2 | -171483 |
| 3extended | 162 | Wallin, Peter (1468) | Won 2-1 | +181501 |
| 4extended | 143 | Benc, Ivan (1519) | Lost 1-2 | -181483 |
| 5extended | 174 | Hrbacek, Jakub (1453) | Lost 0-2 | -181465 |
| top | average opponent: 1501record: 1-3 | new rating: 1465 | ||