Decker, Fabian
Current rating: 1678
Record: 57-48-2
| Grand Prix Birmingham 2019 (modern) | starting rating: 1656 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 41 | Matthews, Sophie (1450) | Won 2-0 | +151671 |
| 2modern | 41 | Veneri, Dario (1809) | Won 2-0 | +201691 |
| 3modern | 41 | Rigotti, Luca (1436) | Won 2-1 | +141705 |
| 4modern | 41 | Martins, Rodolfo (1573) | Won 2-1 | +151720 |
| 5modern | 41 | Corpus Selva, Rogelio (1768) | Won 2-1 | +191739 |
| 6modern | 41 | Friedli, Johan (1576) | Lost 0-2 | -211718 |
| 7modern | 41 | Staples, James (1496) | Lost 1-2 | -221696 |
| 8modern | 41 | Edwards, Brendan (1668) | Lost 0-2 | -181678 |
| top | average opponent: 1597record: 5-3 | new rating: 1678 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 66 | Svenhard, Robin (1571) | Won 2-0 | +161677 |
| 3standard | 24 | Delvigne, Emmanuel (1572) | Lost 1-2 | -201657 |
| 4standard | 386 | Rodriguez, Jose-Bert (1485) | Won 2-1 | +151672 |
| 5standard | 210 | Almemo, Fredrik (1575) | Draw 1-1 | -11671 |
| 6standard | 312 | Hrycej, Martin (1851) | Lost 0-2 | -151656 |
| 7standard | 284 | Geide, Hannes (1522) | Won 2-0 | +151671 |
| 8standard | 211 | Lau, Garry (1834) | Lost 0-2 | -151656 |
| top | average opponent: 1630record: 3-3-1 | new rating: 1656 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 58 | Reiter, Franz (1512) | Lost 0-2 | -201618 |
| 3sealed | 726 | Doskoch, Pavel (1400) | Won 2-0 | +141632 |
| 4sealed | 297 | Schimka, Laurids (1434) | Won 2-1 | +151647 |
| 5sealed | 220 | Fernandes, Patrick (1530) | Won 2-0 | +151662 |
| 6sealed | 209 | Garcia, Ignacio Javier (1639) | Lost 1-2 | -181644 |
| 7sealed | 330 | Gerleigner, Maximilian (1515) | Lost 1-2 | -201624 |
| 8sealed | 456 | Rosengren, Lars (1731) | Won 2-0 | +201644 |
| 9sealed | 278 | Rothen, Christian (1722) | Won 2-1 | +191663 |
| 10draft | 182 | Krebs, Maximilian (1567) | Lost 0-2 | -201643 |
| 12draft | 283 | Miele, Leonardo (1533) | Won 2-1 | +161659 |
| 13draft | 213 | Carleton-Barnes, Gabriel (1859) | Lost 1-2 | -141645 |
| 14draft | 42 | Bender, Raphael (1539) | Won 2-0 | +161661 |
| top | average opponent: 1582record: 7-5 | new rating: 1661 | ||
| Grand Prix Lille 2016 (modern) | starting rating: 1632 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 43 | Donkers, Kevin (1410) | Won 2-1 | +141646 |
| 4modern | 182 | Lallemand, Yan (1518) | Won 2-0 | +161662 |
| 5modern | 36 | Kockler, Karsten (1552) | Won 2-1 | +161678 |
| 6modern | 49 | Rienksma, Rienk (1653) | Won 2-1 | +181696 |
| 7modern | 12 | Lejeune, Olivier (1507) | Won 2-1 | +141710 |
| 8modern | 13 | Valentin, Maxime (1610) | Lost 1-2 | -201690 |
| 9modern | 24 | Romay, Lucas (1749) | Lost 0-2 | -171673 |
| 10modern | 104 | Ziller, Sebastian (1601) | Lost 1-2 | -191654 |
| 11modern | 174 | Wald, Piotr (1732) | Lost 0-2 | -161638 |
| 12modern | 215 | Georg, Janosh (1547) | Won 2-0 | +161654 |
| 13modern | 163 | Murphy, David [IRL] (1693) | Won 2-0 | +191673 |
| 14modern | 116 | Brambilla, Davide (1808) | Lost 1-2 | -161657 |
| 15modern | 99 | Lokar, Jan Ivan (1617) | Lost 0-2 | -191638 |
| top | average opponent: 1615record: 7-6 | new rating: 1638 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1577 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 251 | Meyer, Patrick (1559) | Won 2-1 | +171594 |
| 2standard | 229 | Rogiers, Sander (1483) | Won 2-0 | +161610 |
| 3standard | 179 | Maugard, Antoine (1678) | Lost 1-2 | -171593 |
| 4standard | 253 | Ducenko, Lev (1519) | Won 2-0 | +171610 |
| 5standard | 220 | Barnetson, Edward (1375) | Won 2-0 | +141624 |
| 6standard | 206 | Godineau, Manuel (1884) | Lost 0-2 | -131611 |
| 7standard | 188 | Sanchez Garrido, Ricardo (1738) | Lost 0-2 | -161595 |
| 8standard | 292 | Urmetzer, Marc (1510) | Won 2-0 | +161611 |
| 9standard | 220 | Le Gall, Guillaume (1551) | Won 2-1 | +171628 |
| 10standard | 203 | Delhaye, Gilles (1532) | Won 2-1 | +161644 |
| 11standard | 118 | Papadakis, Bill (1585) | Lost 1-2 | -191625 |
| 12standard | 144 | Monti, Gabriele (1613) | Won 2-0 | +181643 |
| 13standard | 113 | Polak-Rottmann, Oliver (2126) | Lost 1-2 | -101633 |
| 14standard | 124 | Biesmans, Wouter (1569) | Lost 0-2 | -191614 |
| 15standard | 142 | Duval, Fabien (1629) | Won 2-1 | +181632 |
| top | average opponent: 1623record: 9-6 | new rating: 1632 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 75 | Mauguin, Matthieu (1639) | Won 2-1 | +191562 |
| 4modern | 42 | Brankov, Dejan (1425) | Won 2-1 | +161578 |
| 5modern | 17 | Walker, Ben (1567) | Won 1-0 | +181596 |
| 6modern | 6 | Portolani, Elisa (1584) | Won 2-0 | +171613 |
| 7modern | 6 | Dosimont, Amand (1945) | Won 1-0 | +241637 |
| 8modern | 6 | Angelopoulos, Marios (1753) | Won 2-0 | +201657 |
| 9modern | 8 | Reale, Giuseppe (1799) | Lost 1-2 | -151642 |
| 10modern | 30 | Einaudi, Giacomo (1598) | Lost 1-2 | -191623 |
| 11modern | 59 | Biondi, Roberto (1653) | Lost 1-2 | -171606 |
| 12modern | 101 | Gierszewski, Piotr (1618) | Lost 0-2 | -181588 |
| 13modern | 124 | Mazzani, Luca (1590) | Won 2-0 | +181606 |
| 14modern | 92 | Rothen, Christian (1842) | Lost 1-2 | -141592 |
| 15modern | 127 | Paulmaier, Benjamin (1728) | Lost 0-2 | -151577 |
| top | average opponent: 1672record: 7-6 | new rating: 1577 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2346 | Casey, John (1500) | Lost 1-2 | -191565 |
| 2sealed | 2264 | Mouthaan, Marc (1482) | Lost 0-2 | -201545 |
| 3sealed | 2422 | Drephal, Daniel (1466) | Won 2-0 | +171562 |
| 4sealed | 2316 | Van Den Berg, Thomas (1483) | Lost 1-2 | -191543 |
| top | average opponent: 1483record: 1-3 | new rating: 1543 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Vantyghem, Xavier (1536) | Won 2-0 | +201464 |
| 2standard | 244 | Ferguson, Stewart (1517) | Won 2-0 | +191483 |
| 3standard | 29 | van den Top, Gregory (1540) | Won 2-0 | +191502 |
| 4standard | 25 | Ahkaloo, Jhayshan (1665) | Won 2-1 | +211523 |
| 5standard | 62 | Duparcq, Guy (1796) | Won 2-0 | +231546 |
| 6standard | 6 | Blohon, Lukas (2052) | Lost 1-2 | -101536 |
| 7standard | 31 | Strauss, Gary (1614) | Won 2-1 | +201556 |
| 8standard | 21 | Strautz, Marcel (1655) | Lost 0-2 | -171539 |
| 9standard | 47 | Tepasse, Mike (1591) | Won 2-1 | +191558 |
| 10standard | 31 | de Groot, Bjorn (1610) | Lost 1-2 | -171541 |
| 11standard | 85 | Zeil, Jean-Julien (1839) | Lost 1-2 | -121529 |
| 12standard | 77 | Borgford, Stephen (1523) | Won 2-0 | +171546 |
| 13standard | 56 | Moons, Dennis (1558) | Won 2-1 | +191565 |
| 14standard | 47 | Hendrickx, Sander (1617) | Won 2-0 | +191584 |
| 15standard | 45 | Janasiewicz, Alexandre (1629) | Draw 1-1 | 01584 |
| top | average opponent: 1650record: 10-4-1 | new rating: 1584 | ||
| Grand Prix Paris 2014 (legacy) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 297 | Darnhofer, Robert (1734) | Won 2-1 | +221494 |
| 3legacy | 239 | Dixmeras, Vincent (1510) | Lost 0-2 | -171477 |
| 4legacy | 333 | Kozak, Jonas (1643) | Lost 1-2 | -151462 |
| 5legacy | 540 | ROM PORRO, Josep Mc (1498) | Lost 0-2 | -181444 |
| top | average opponent: 1596record: 1-3 | new rating: 1444 | ||
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 293 | Kuhnke, Oliver (1481) | Won 2-0 | +181502 |
| 2standard | 199 | Massat, Nicolas (1895) | Won 2-1 | +251527 |
| 3standard | 14 | Baluch, Johannes (1501) | Lost 0-2 | -191508 |
| 4standard | 457 | Bokor, Bence (1473) | Lost 0-2 | -181490 |
| 5standard | 545 | Wachouschek, Michael (1499) | Lost 1-2 | -181472 |
| 6standard | 515 | Szabo, Laszlo (1481) | Lost 0-2 | -181454 |
| 7standard | 518 | Grigoli, Matteo (1422) | Won 2-1 | +181472 |
| top | average opponent: 1536record: 3-4 | new rating: 1472 | ||
| Grand Prix Amsterdam 2011 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 91 | Ang, Arjan (1538) | Won 1-0 | +191519 |
| 2legacy | 36 | Blanco, Francesc (1607) | Lost 1-2 | -171502 |
| 3legacy | 199 | Heimering, Joran B (1506) | Won 2-0 | +181520 |
| 4legacy | 161 | van der End, Sander (1518) | Lost 1-2 | -181502 |
| 5legacy | 295 | Kohl, Reinhold (1640) | Lost 1-2 | -151487 |
| 6legacy | 297 | Eenkhoorn, Ronald (1483) | Won 2-0 | +181505 |
| 7legacy | 245 | Parnell, Robert A (1449) | Won 2-1 | +171522 |
| 8legacy | 155 | Aubert, Remko (1471) | Lost 1-2 | -191503 |
| 9legacy | 194 | van Reijmersdal, Niels (1466) | Lost 1-2 | -191484 |
| top | average opponent: 1520record: 4-5 | new rating: 1484 | ||