Gerrits, Marcel
Current rating: 1624
Record: 35-31-5
| Grand Prix Strasbourg 2007 (Time Spiral block) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Friedel, Florian (1500) | Won 2-1 | +171575 |
| 2block | 66 | Reimche, Wadim (1547) | Lost 0-2 | -191556 |
| 3block | 131 | Thiel, Michael (1500) | Lost 0-2 | -191537 |
| 4block | 227 | Centamori, Salvatore (1482) | Draw 1-1 | -11536 |
| 5block | 223 | Ducher, Fabien (1447) | Won 2-0 | +161552 |
| 6block | 175 | Carre, David (1500) | Won 2-1 | +171569 |
| 7block | 130 | Ligny, Manuel (1616) | Won 2-0 | +191588 |
| 8block | 86 | Cutuli, Daniele (1435) | Won 2-0 | +161604 |
| 9block | 60 | Marquilly, Adrien (1715) | Won 2-0 | +201624 |
| top | average opponent: 1527record: 6-2-1 | new rating: 1624 | ||
| Grand Prix Athens 2006 (TSP limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Neskovik, Ivo (1500) | Won 2-0 | +181516 |
| 2sealed | 100 | Kollias, Aristotelis (1518) | Won 2-1 | +181534 |
| 3sealed | 9 | Gundersen, Thomas (1832) | Lost 1-2 | -131521 |
| 4sealed | 112 | Kalogerinis, John (1520) | Won 2-0 | +181539 |
| 5sealed | 90 | Ekebom, Erno (1657) | Lost 0-2 | -151524 |
| 6sealed | 135 | Constantine, Raftopoulos (1521) | Draw 1-1 | 01524 |
| 7sealed | 110 | Lawson, Dmitry (1499) | Won 2-0 | +171541 |
| 8sealed | 77 | Andreou, Andreas (1460) | Won 2-1 | +171558 |
| top | average opponent: 1563record: 5-2-1 | new rating: 1558 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Reyes, Francisco (1500) | Lost 0-0 | -181435 |
| 2sealed | 204 | Cruz, Carlos 9746 (1482) | Won 2-1 | +191454 |
| 3sealed | 205 | Gonzalez Vera, Juan Manuel (1500) | Won 2-0 | +191473 |
| 4sealed | 126 | Kleij, Rogier (1632) | Lost 0-2 | -151458 |
| 5sealed | 128 | Aguilar Pazos, Francisco (1504) | Won 2-0 | +191477 |
| 6sealed | 109 | Garcia Mene, Alex (1546) | Draw 1-1 | +11478 |
| 7sealed | 120 | Fernandez Valmayor, Alfredo (1563) | Won 2-1 | +201498 |
| 8sealed | 76 | Palamarczuk, Andrey (1491) | Won 2-0 | +181516 |
| 9sealed | 55 | Porcel Richart, Alfonso (1550) | Lost 1-2 | -181498 |
| top | average opponent: 1530record: 5-3-1 | new rating: 1498 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Heyenga, Torsten (1580) | Won 2-0 | +211427 |
| 2sealed | 12 | Landl, Michael (1385) | Draw 1-1 | -11426 |
| 3sealed | 69 | Vestergaard, Jakob (1515) | Lost 0-2 | -161410 |
| 4sealed | 151 | Schultz, Carsten (1481) | Won 2-0 | +191429 |
| 5sealed | 108 | Issaev, Alexander (1500) | Lost 1-2 | -161413 |
| 6sealed | 140 | Gruhn, Alexander (1413) | Won 2-1 | +181431 |
| 7sealed | 105 | Borys, Grzegorz (1602) | Won 2-0 | +211452 |
| 8sealed | 66 | Palys, Jan (1485) | Won 2-0 | +181470 |
| 9sealed | 50 | Vitkovsky, Michal (1485) | Lost 1-2 | -171453 |
| top | average opponent: 1494record: 5-3-1 | new rating: 1453 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Jedlicka, Michal (1383) | Won 2-1 | +171451 |
| 2sealed | 60 | Kneuper, Richard (1517) | Lost 1-2 | -161435 |
| 3sealed | 134 | Riquier, Stephane (1566) | Won 2-0 | +201455 |
| 4sealed | 95 | Pierre, Sylvain (1639) | Lost 1-2 | -151440 |
| 5sealed | 148 | Jaeger, Jens (1487) | Lost 0-2 | -171423 |
| 6sealed | 146 | Forestier, Nicolas (1477) | Lost 0-2 | -171406 |
| top | average opponent: 1511record: 2-4 | new rating: 1406 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 150 | Fielbal, Baptiste (1500) | Won 2-1 | +201443 |
| 2legacy | 115 | Jamet, Antoine (1518) | Lost 1-2 | -171426 |
| 3legacy | 112 | Hsia, Wei (1474) | Won 2-1 | +191445 |
| 4legacy | 96 | Marcq, Xavier (1518) | Lost 1-2 | -171428 |
| 5legacy | 168 | Roumanille, Stephane (1528) | Won 2-1 | +201448 |
| 6legacy | 102 | Dad, Malik (1516) | Won 2-0 | +191467 |
| 7legacy | 47 | Beuschel, Alexander (1537) | Lost 0-2 | -161451 |
| 9legacy | 60 | Nickel, Timo (1539) | Lost 1-2 | -171434 |
| top | average opponent: 1516record: 4-4 | new rating: 1434 | ||
| Grand Prix Copenhagen 2005 (extended) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 18 | Christensen, Magnus (1600) | Lost 1-2 | -151432 |
| 2extended | 90 | Bommer, Jay (1479) | Lost 1-2 | -171415 |
| 3extended | 120 | Huber, Felix-Juerg (1453) | Won 2-1 | +181433 |
| 4extended | 147 | Sagner, Andreas (1514) | Lost 0-2 | -161417 |
| 5extended | 147 | Borup, Kai Rune (1464) | Won 2-0 | +191436 |
| 6extended | 130 | Meineche, Jon (1480) | Won 2-1 | +191455 |
| 7extended | 100 | Ukskoski, Marko (1626) | Lost 0-2 | -151440 |
| 8extended | 93 | Makowski, Kamil (1536) | Lost 1-2 | -171423 |
| top | average opponent: 1519record: 3-5 | new rating: 1423 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 109 | Neumann, Johannes (1500) | Lost 0-2 | -181463 |
| 2sealed | 131 | Durrbeck, Andre (1483) | Lost 1-2 | -181445 |
| 3sealed | 173 | Roelant, Jens (1409) | Lost 1-2 | -181427 |
| 4sealed | 201 | Pegenau, Stefan (1447) | Won 2-0 | +181445 |
| 5sealed | 165 | Jung, Patrick (1464) | Draw 1-1 | 01445 |
| 6sealed | 162 | Jung, Matthias (1463) | Lost 0-2 | -171428 |
| 7sealed | 149 | Klinger, Herve (1464) | Won 2-1 | +181446 |
| 8sealed | 122 | Seine, Markus (1465) | Won 2-0 | +191465 |
| 9sealed | 100 | Pupelis, Linas (1485) | Lost 0-2 | -181447 |
| top | average opponent: 1464record: 3-5-1 | new rating: 1447 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 210 | Marceaux, Stephane (1482) | Won 2-1 | +181518 |
| 2sealed | 50 | Matuszak, Antony (1480) | Lost 0-2 | -191499 |
| 3sealed | 283 | Chanteux, Lucas (1498) | Won 2-0 | +181517 |
| 4sealed | 212 | Panteleit, Markus (1478) | Lost 0-2 | -191498 |
| 5sealed | 245 | Teston, Philippe (1516) | Lost 0-2 | -171481 |
| top | average opponent: 1491record: 2-3 | new rating: 1481 | ||