Gehlen, Martin
Current rating: 1795 (#2346)
Record: 38-24-1
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1741 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 311 | Clerge, Julien (1422) | Won 2-1 | +121753 |
| 2sealed | 14 | Joachim, David (1849) | Lost 1-2 | -161737 |
| 3sealed | 650 | Bessa, Vitor (1600) | Won 2-0 | +151752 |
| 4sealed | 508 | Gartner, Peter (1384) | Won 2-0 | +121764 |
| 5sealed | 284 | Kauf, Jamin (1843) | Won 2-0 | +191783 |
| 6sealed | 198 | de Jonge, Rob (1647) | Won 2-0 | +161799 |
| 7sealed | 55 | Rodrigues, Thiago (1937) | Lost 0-2 | -161783 |
| 8sealed | 158 | Steiner, Christoph (1562) | Won 2-1 | +141797 |
| 9sealed | 114 | Scherer, Daniel (1700) | Won 2-1 | +171814 |
| 10draft | 111 | Bessa, Vitor (1690) | Won 2-0 | +151829 |
| 11draft | 150 | Libkin, Eugen (1846) | Lost 0-2 | -171812 |
| 12draft | 17 | Rolin, Christophe (1886) | Lost 0-2 | -171795 |
| 13draft | 111 | Severin, Thoralf (1977) | Won 2-1 | +211816 |
| 14draft | 22 | Van Meurs, Sascha (1610) | Lost 0-2 | -211795 |
| top | average opponent: 1711record: 9-5 | new rating: 1795 | ||
| Grand Prix Metz 2017 (HOU limited) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | De Meyer, Marc (1500) | Won 2-1 | +161631 |
| 2sealed | 71 | Rancic, Isaac (1522) | Won 2-0 | +161647 |
| 3sealed | 202 | Malatesta, Marco (1570) | Won 2-1 | +161663 |
| 4sealed | 14 | Ibscher, Dominik (1475) | Won 2-1 | +151678 |
| 5sealed | 10 | Kilappa, Vantte (1642) | Won 2-0 | +171695 |
| 6sealed | 33 | Patarca, Humberto (1913) | Won 2-0 | +221717 |
| 7sealed | 7 | Rolph, Sam-Luca (1889) | Won 2-1 | +211738 |
| 8sealed | 3 | Hugony, Francesco (1941) | Lost 1-2 | -141724 |
| 9sealed | 27 | Bardini, Alain (1917) | Lost 1-2 | -151709 |
| 10draft | 221 | Larsen, Christoffer (2128) | Lost 0-2 | -101699 |
| 11draft | 70 | Cheng, Nicholas (1648) | Won 2-1 | +171716 |
| 12draft | 197 | Frischmann, Ludwig (1733) | Won 2-1 | +181734 |
| 13draft | 142 | Signargout, Hippolyte (1820) | Won 2-0 | +201754 |
| 14draft | 13 | Della Corte, Marco (1744) | Draw 1-1 | -11753 |
| 15draft | 49 | Seibold, Christian (2051) | Lost 1-2 | -121741 |
| top | average opponent: 1766record: 10-4-1 | new rating: 1741 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 459 | Stammbach, Martin (1559) | Won 2-0 | +191498 |
| 2sealed | 205 | Doskoch, Pavel (1417) | Won 2-0 | +171515 |
| 3sealed | 163 | Martin, Wolfram (1613) | Lost 0-2 | -171498 |
| 4sealed | 471 | Jelecevic, Jan (1728) | Won 2-0 | +231521 |
| 5sealed | 299 | Miles, George (1653) | Lost 1-2 | -161505 |
| 6sealed | 365 | Fuecker, Niklas (1570) | Won 2-0 | +191524 |
| 7sealed | 294 | Lange, Holger (1571) | Won 2-1 | +191543 |
| 8sealed | 215 | Benczedi, Jozsef (1776) | Won 2-1 | +221565 |
| 9sealed | 72 | Pletinckx, Kenneth (1547) | Won 2-0 | +181583 |
| 10draft | 285 | Faustyn, Maciej (1700) | Won 2-1 | +201603 |
| 11draft | 99 | Vantuch, Matej (1952) | Won 2-1 | +241627 |
| 12draft | 26 | Pinto, Antonio (1794) | Lost 0-2 | -151612 |
| 13draft | 94 | Stolyarov, Sergey (1676) | Won 2-1 | +191631 |
| 14draft | 173 | Lupalo, Kirill (1720) | Lost 1-2 | -161615 |
| top | average opponent: 1663record: 10-4 | new rating: 1615 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | Platti, Omar (1505) | Lost 0-2 | -181479 |
| 2sealed | 367 | Lund, Martin [SWE] (1465) | Won 2-1 | +171496 |
| 3sealed | 307 | Richert, Marlon (1500) | Won 2-1 | +181514 |
| 4sealed | 287 | Edling, Jacob (1521) | Lost 1-2 | -171497 |
| 5sealed | 386 | Nilsson, Torbjorn (1500) | Lost 1-2 | -181479 |
| top | average opponent: 1498record: 2-3 | new rating: 1479 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 337 | Knittel, Fabrice (1499) | Won 2-1 | +181525 |
| 4sealed | 81 | AMALRIC, Vincent (1551) | Lost 0-2 | -181507 |
| 5sealed | 311 | Riabokon, Natalia (1508) | Won 2-1 | +181525 |
| 6sealed | 210 | Buti, Jean-Philippe (1650) | Lost 0-2 | -151510 |
| 7sealed | 282 | Kieckhafer, Ferdinand (1780) | Lost 0-2 | -131497 |
| top | average opponent: 1598record: 2-3 | new rating: 1497 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 422 | Prochazka, Lukas (1497) | Lost 0-2 | -181448 |
| 2sealed | 544 | Hanl, Andreas (1399) | Won 2-1 | +171465 |
| 3sealed | 361 | Meeuwes, Mitchell (1410) | Won 2-0 | +171482 |
| 4sealed | 246 | Cartelli, Mattia (1502) | Won 2-0 | +191501 |
| 5sealed | 247 | Hasslauer, Martin (1412) | Won 2-1 | +161517 |
| 6sealed | 60 | van Medevoort, Robert (1854) | Won 2-1 | +241541 |
| 7sealed | 64 | Olarte Ovalle, Alvaro Edward (1626) | Lost 0-2 | -171524 |
| 8sealed | 158 | Stapelbroek, Joost (1557) | Lost 1-2 | -171507 |
| top | average opponent: 1532record: 5-3 | new rating: 1507 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 168 | Brutsche, Stephane (1567) | Lost 1-2 | -171483 |
| 2sealed | 274 | Byrd, Jason (1504) | Lost 1-2 | -171466 |
| top | average opponent: 1535record: 0-2 | new rating: 1466 | ||