Merkel, Sebastian
Current rating: 1547
Record: 11-10
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2196 | Tenggrono, George (1500) | Won 2-0 | +171543 |
| 2sealed | 2002 | Klepsvik, Amanda (1518) | Won 2-0 | +181561 |
| 3sealed | 2016 | Cadier, Ron (1813) | Lost 1-2 | -141547 |
| top | average opponent: 1610record: 2-1 | new rating: 1547 | ||
| Grand Prix Warsaw 2014 (JOU limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 213 | Hartmann, Robert (1474) | Lost 0-2 | -171434 |
| 2sealed | 275 | Mickevicius, Martynas (1596) | Won 2-0 | +211455 |
| 3sealed | 392 | Kozaczko, Dominik (1431) | Won 2-0 | +171472 |
| 4sealed | 318 | Bialecki, Mateusz (1468) | Won 2-0 | +181490 |
| 5sealed | 180 | Alkio, Anssi (1971) | Won 2-0 | +261516 |
| 6sealed | 109 | Kolibaj, Lukasz (1558) | Won 2-1 | +191535 |
| 7sealed | 27 | Konieczny, Dominik (1822) | Lost 0-0 | -131522 |
| 8sealed | 123 | Berger, Meciek (1557) | Won 2-0 | +191541 |
| 9sealed | 53 | Smirnov, Dmitry (1716) | Lost 1-2 | -151526 |
| top | average opponent: 1621record: 6-3 | new rating: 1526 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 520 | Winkler, Eric (1454) | Lost 1-2 | -191462 |
| 2sealed | 790 | Van Ackere, Tom (1606) | Lost 1-2 | -151447 |
| 3sealed | 855 | Stackler, Marian (1464) | Won 2-1 | +181465 |
| 4sealed | 816 | Tagi-Zade, Eldar (1689) | Lost 0-2 | -141451 |
| top | average opponent: 1553record: 1-3 | new rating: 1451 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 129 | Meertens, Job (1500) | Lost 0-2 | -181482 |
| 2extended | 333 | Mori, Manuel (1425) | Won 2-0 | +171499 |
| 3extended | 247 | Caufriez, Emeric (1483) | Won 2-0 | +181517 |
| 4extended | 173 | Stals, Mark (1517) | Lost 0-2 | -181499 |
| 5extended | 275 | Camp, Arjan (1506) | Lost 0-2 | -181481 |
| top | average opponent: 1486record: 2-3 | new rating: 1481 | ||