Trunk, Marcel
Current rating: 1558
Record: 41-38-2
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1614 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 360 | Gracia Mas, Manuel (1513) | Lost 1-2 | -201594 |
| 3pioneer | 680 | Van Luttervelt, Dave (1698) | Lost 0-2 | -161578 |
| 4pioneer | 744 | Bremner, Maximilian (1459) | Lost 0-2 | -201558 |
| top | average opponent: 1557record: 0-3 | new rating: 1558 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 252 | Jubin, Jonathan (1532) | Lost 0-2 | -191584 |
| A2sealed | 218 | Ekstrom, Per (1563) | Lost 0-2 | -181566 |
| B1sealed | 945 | Fernandez, Brice (1692) | Won 2-0 | +201586 |
| B2sealed | 889 | Kadunc, Tadej (1851) | Won 2-1 | +231609 |
| B3sealed | 928 | Van Der Staak, Daniel (1604) | Won 2-1 | +171626 |
| B4sealed | 908 | Behrens, Kai (1797) | Won 2-1 | +221648 |
| B5sealed | 893 | Christensen, Oscar (2066) | Lost 1-2 | -111637 |
| B6sealed | 916 | Mackey, Jay (1598) | Lost 1-2 | -191618 |
| C1sealed | 356 | Fung, Christopher (1610) | Won 2-0 | +181636 |
| C2sealed | 91 | Diab, Kenan (1568) | Won 2-1 | +171653 |
| C3sealed | 59 | Frank, Matt (1629) | Lost 1-2 | -191634 |
| C4sealed | 132 | St John, Emelia (1517) | Lost 1-2 | -201614 |
| top | average opponent: 1669record: 6-6 | new rating: 1614 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 332 | Phillips, Christopher (1555) | Lost 1-2 | -201652 |
| 3sealed | 612 | Nobili, Thierry (1498) | Won 2-1 | +151667 |
| 4sealed | 226 | Desille, Pauline (1432) | Lost 0-2 | -221645 |
| 5sealed | 391 | Teknik, Celine (1464) | Lost 0-2 | -211624 |
| 6sealed | 549 | Baioni, Patrick (1489) | Lost 0-2 | -211603 |
| top | average opponent: 1488record: 1-4 | new rating: 1603 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 636 | Vasic, Zeljko (1794) | Lost 0-2 | -151667 |
| 2sealed | 1177 | Skramlik, Jan (1662) | Won 2-0 | +171684 |
| 3sealed | 938 | Thomson, Matthew (1466) | Won 2-0 | +141698 |
| 4sealed | 771 | Pavlicek, Miroslav (1494) | Lost 0-2 | -211677 |
| 5sealed | 753 | Borkowski, Robert (1594) | Lost 1-2 | -201657 |
| 6sealed | 807 | Hektor, Alexander (1478) | Won 2-1 | +151672 |
| top | average opponent: 1581record: 3-3 | new rating: 1672 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Franz, Felix (1686) | Lost 0-2 | -171569 |
| 2sealed | 598 | Jetmundsen, Espen (1423) | Won 2-0 | +161585 |
| 3sealed | 534 | Rahm, Torsten (1500) | Won 2-1 | +161601 |
| 4sealed | 417 | Niewiarowski, Artur (1515) | Won 2-0 | +171618 |
| 5sealed | 187 | Rensfeldt, Gunnar (1520) | Won 2-0 | +161634 |
| 6sealed | 151 | Praviliev, Alexander (1761) | Won 2-0 | +201654 |
| 7sealed | 115 | Rozin, Arseny (1605) | Lost 1-2 | -191635 |
| 8sealed | 262 | Litja, Elson (1606) | Won 2-0 | +181653 |
| 9sealed | 118 | Nadolny, Szymon (1603) | Won 2-1 | +171670 |
| 10draft | 223 | Benias, Nikolas (1638) | Won 2-1 | +171687 |
| 11draft | 374 | Fermani, Marco (1786) | Lost 1-2 | -161671 |
| 12draft | 363 | Andrzejewski, Alan (1782) | Won 2-1 | +201691 |
| 13draft | 216 | Miranda, Vincenzo (1818) | Lost 1-2 | -161675 |
| 14draft | 289 | Green, Christoph (1773) | Won 2-0 | +201695 |
| 15draft | 249 | Sanchez, Francisco (1997) | Lost 0-2 | -131682 |
| top | average opponent: 1668record: 10-5 | new rating: 1682 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 429 | Nikov, Kaloyan (1446) | Lost 0-2 | -201553 |
| 2sealed | 503 | Stoehr, Guillaume (1483) | Won 2-0 | +161569 |
| 3sealed | 366 | Paty, Jeremie (1418) | Won 2-0 | +161585 |
| 4sealed | 210 | Verbeken, Dirk (1713) | Draw 1-1 | +21587 |
| 5sealed | 336 | van den Oever, Roy (1642) | Won 2-0 | +191606 |
| 6sealed | 220 | Goldbach, Benedikt (1504) | Draw 1-1 | -21604 |
| 7sealed | 324 | Hodecek, Jiri (1570) | Lost 1-2 | -181586 |
| top | average opponent: 1540record: 3-2-2 | new rating: 1586 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Bohlender, Esra (1483) | Lost 1-2 | -181503 |
| 2sealed | 314 | Martin, Wolfram (1451) | Lost 0-2 | -191484 |
| 3sealed | 444 | Leiensetter, Marc (1484) | Won 2-0 | +181502 |
| 4sealed | 369 | Faure, Alain (1346) | Won 2-0 | +151517 |
| 5sealed | 341 | Viel, Matthieu (1449) | Won 2-1 | +171534 |
| 6sealed | 70 | Gutierrez Saldate, Luis Fernando (1662) | Lost 0-2 | -161518 |
| 7sealed | 228 | Divernois, Hugo (1504) | Won 2-0 | +181536 |
| 8sealed | 171 | Winter, Florian (1530) | Won 2-0 | +181554 |
| 9sealed | 119 | Kopec, Mateusz (1625) | Won 2-0 | +191573 |
| top | average opponent: 1504record: 6-3 | new rating: 1573 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 484 | Goncalves, Tiago (1545) | Lost 0-2 | -171456 |
| 3extended | 519 | Lorenzen, Jan (1484) | Won 2-0 | +191475 |
| 4extended | 524 | Urena, Abraham (1480) | Lost 0-2 | -181457 |
| 5extended | 551 | Lange, Philipp (1504) | Won 2-0 | +191476 |
| 6extended | 513 | Sanders, Benjamin M (1540) | Won 2-1 | +191495 |
| 7extended | 454 | Minadakis, Giorgos (1492) | Won 2-1 | +181513 |
| 8extended | 462 | Ruel, Antoine (1905) | Lost 0-2 | -111502 |
| 9extended | 470 | Vladik, Pavel (1602) | Won 2-1 | +191521 |
| top | average opponent: 1569record: 5-3 | new rating: 1521 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Blomstergren, Viktor J (1504) | Won 2-1 | +191467 |
| 2sealed | 94 | Moritz, Augustin (1442) | Won 2-0 | +171484 |
| 3sealed | 2 | Weile, Daniel (1434) | Lost 1-2 | -191465 |
| 4sealed | 158 | Heinzel, Thomas (1520) | Won 2-1 | +191484 |
| 5sealed | 94 | Gamarra Aguirre, Unai (1551) | Won 2-0 | +191503 |
| 6sealed | 43 | Pischner, Andreas (1594) | Lost 0-2 | -161487 |
| 7sealed | 119 | Gosch, Christian (1494) | Won 2-0 | +181505 |
| 8sealed | 57 | Kaufmann, Michael (1556) | Lost 0-2 | -171488 |
| 9sealed | 87 | Engleitner, Herbert (1640) | Lost 1-2 | -151473 |
| top | average opponent: 1526record: 5-4 | new rating: 1473 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Mohren, Marc (1500) | Lost 0-2 | -181482 |
| 2sealed | 202 | Wegener, Timo (1482) | Won 2-0 | +181500 |
| 3sealed | 121 | Wache, Paul (1502) | Lost 0-2 | -181482 |
| 4sealed | 156 | Oberste-Ufer, Simon (1487) | Won 2-0 | +181500 |
| 5sealed | 156 | Aranyos, Adrian (1514) | Lost 0-2 | -181482 |
| 6sealed | 148 | Pech, Rene (1587) | Lost 0-2 | -161466 |
| 7sealed | 148 | Becker, Franz (1428) | Lost 0-2 | -181448 |
| top | average opponent: 1500record: 2-5 | new rating: 1448 | ||