Witte, Maarten
Current rating: 1394
Record: 30-38
| Grand Prix Prague 2017 (AER limited) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 543 | Crotti, Enrico (1488) | Lost 1-2 | -161401 |
| 2sealed | 509 | Grund, Florian (1649) | Lost 1-2 | -141387 |
| 3sealed | 893 | Wustenberg, Sascha (1443) | Won 2-0 | +191406 |
| 4sealed | 889 | Teknik, Celine (1483) | Won 2-0 | +201426 |
| 5sealed | 600 | Han, Hojae (1808) | Won 2-1 | +241450 |
| 6sealed | 305 | Wagner, Rafael (1614) | Won 2-1 | +211471 |
| 7sealed | 334 | Muellern, Matthias (1488) | Won 2-0 | +181489 |
| 8sealed | 169 | Sienko, Dawid (1587) | Lost 1-2 | -161473 |
| 9sealed | 315 | Toth, Ferenc (1402) | Won 2-1 | +171490 |
| 10draft | 298 | Leroy, Yannick (1788) | Lost 0-2 | -131477 |
| 11draft | 240 | Goutbeek, Jitse (1502) | Lost 0-2 | -171460 |
| 12draft | 134 | Volotovich, Anton (1531) | Lost 0-2 | -171443 |
| 13draft | 76 | Skjaerstad, Marius (1513) | Lost 0-2 | -171426 |
| 14draft | 65 | Schenk, Uli (1574) | Lost 0-2 | -151411 |
| 15draft | 64 | Venturi, Raul (1474) | Lost 0-2 | -171394 |
| top | average opponent: 1556record: 6-9 | new rating: 1394 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 217 | Perry, Emma (1543) | Lost 1-2 | -161420 |
| 4sealed | 756 | Waterhouse, Erik (1518) | Won 2-0 | +201440 |
| 5sealed | 169 | Martin, Quentin (1944) | Lost 1-2 | -101430 |
| 6sealed | 426 | Barzan, Yuri (1517) | Won 2-0 | +201450 |
| 7sealed | 271 | Collinson, Alwyn (1544) | Lost 0-2 | -161434 |
| 8sealed | 407 | Goddard, Sean (1523) | Lost 0-2 | -171417 |
| top | average opponent: 1598record: 2-4 | new rating: 1417 | ||
| Grand Prix Lille 2016 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 393 | Georg, Janosh (1500) | Won 2-1 | +181488 |
| 2modern | 333 | Kryuchkov, Ilya (1543) | Lost 0-2 | -171471 |
| 3modern | 740 | Wiegel, Patrick (1500) | Lost 0-2 | -171454 |
| 4modern | 740 | Allemandou, Cedric (1485) | Lost 0-2 | -181436 |
| top | average opponent: 1507record: 1-3 | new rating: 1436 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 544 | Shedyakov, Alexandr (1433) | Lost 0-2 | -191509 |
| 2modern | 683 | Barbieri, Adrian (1482) | Lost 1-2 | -191490 |
| 3modern | 1054 | Grigoli, Matteo (1346) | Lost 0-2 | -201470 |
| top | average opponent: 1420record: 0-3 | new rating: 1470 | ||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1529 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 246 | Wisniewski, Patryk (1519) | Won 2-1 | +181547 |
| 2standard | 238 | Stadlbauer, Siegfried (1465) | Won 2-0 | +161563 |
| 3standard | 121 | Kocsis, Gabor (1696) | Won 2-0 | +211584 |
| 4standard | 102 | Deckert, Michael (1513) | Lost 1-2 | -191565 |
| 5standard | 133 | Sailes, Mark (1502) | Lost 1-2 | -201545 |
| 6standard | 330 | Milivojevic, Marko (1606) | Lost 0-2 | -171528 |
| top | average opponent: 1550record: 3-3 | new rating: 1528 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1561 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 1177 | Bonaventura, Ciro (1764) | Lost 1-2 | -151546 |
| 4sealed | 1206 | Safai, Soheil (1656) | Won 2-0 | +201566 |
| 5sealed | 1183 | Strauss, Gary (1594) | Lost 1-2 | -171549 |
| 6sealed | 1198 | Andresen, Pal (1460) | Lost 0-2 | -201529 |
| top | average opponent: 1619record: 1-3 | new rating: 1529 | ||
| Grand Prix Paris 2015 (DTK standard) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 130 | Papin, Alexandre (1500) | Won 2-1 | +171584 |
| 2standard | 90 | Brueggemann, Julian (1584) | Lost 0-2 | -181566 |
| 3standard | 528 | Dixmeras, Vincent (1464) | Won 2-1 | +161582 |
| 4standard | 259 | Tatat, Clement (1483) | Won 2-0 | +161598 |
| 5standard | 130 | Chiche, Kevin (1860) | Lost 0-2 | -131585 |
| 6standard | 329 | Grandemange, Cyril (1432) | Won 2-0 | +151600 |
| 7standard | 230 | Schrijvers, Alexander (1472) | Lost 0-2 | -201580 |
| 8standard | 278 | Baumann, Alexander (1514) | Lost 0-2 | -191561 |
| top | average opponent: 1539record: 4-4 | new rating: 1561 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Frischmann, Ludwig (1601) | Won 2-1 | +181626 |
| 2sealed | 193 | Magallon Vazquez, Ander (1507) | Lost 0-2 | -201606 |
| 3sealed | 322 | Germain, Cedric (1591) | Lost 0-2 | -191587 |
| 4sealed | 408 | Derwael, Christof (1450) | Lost 0-2 | -201567 |
| top | average opponent: 1537record: 1-3 | new rating: 1567 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 475 | van Maaren, Mitchell (1518) | Won 2-0 | +171579 |
| 2standard | 22 | Viniczai, Tibor (1542) | Lost 1-2 | -191560 |
| 3standard | 419 | Mitchell-Burns, Jack (1598) | Lost 1-2 | -171543 |
| 4standard | 637 | Renard, Julien (1431) | Won 2-0 | +161559 |
| 5standard | 461 | Michan, Rimmy (1340) | Won 2-0 | +141573 |
| 6standard | 346 | van Essen, Leo (1522) | Won 2-1 | +171590 |
| 7standard | 288 | Leemans, Kevin (1540) | Won 2-0 | +171607 |
| 8standard | 102 | Timmermans, Bas (1561) | Won 2-1 | +171624 |
| 9standard | 75 | Heylen, Maxime (1719) | Lost 0-2 | -161608 |
| top | average opponent: 1530record: 6-3 | new rating: 1608 | ||
| Grand Prix Milan 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 221 | Couvin, Roland (1419) | Won 2-0 | +171517 |
| 2sealed | 163 | Picot, Pierre (1523) | Won 2-1 | +181535 |
| 3sealed | 142 | Nicoud, Sacha (1558) | Won 2-0 | +181553 |
| 4sealed | 22 | Grumelli, Riccardo (1673) | Won 2-0 | +201573 |
| 5sealed | 35 | Niedereder, Dominik (1669) | Lost 0-2 | -161557 |
| 6sealed | 92 | Verbiest, Bart (1635) | Lost 1-2 | -171540 |
| 7sealed | 251 | Voutsis, Othon (1644) | Won 2-1 | +201560 |
| 8sealed | 69 | Mauguin, Matthieu (1592) | Lost 1-2 | -171543 |
| 9sealed | 144 | Binkowska, Wioleta (1591) | Won 2-0 | +191562 |
| top | average opponent: 1589record: 6-3 | new rating: 1562 | ||