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Groothuizen, Matthijs
Current rating: 1411

Grand Prix Leipzig 2005 (BOK limited) starting rating: 1477
round table opponent (rating) result Δrating
2sealed 34 Fritz Kunc, Ziga (1596) Lost 1-2 -161461
3sealed 133 Pavelka, Ondrej (1556) Lost 0-2 -161445
4sealed 158 Blengino, Vivian (1490) Lost 0-2 -171428
5sealed 163 Schuette, Soeren (1485) Lost 0-2 -171411
top average opponent: 1532record: 0-4 new rating: 1411

Grand Prix Eindhoven 2005 (extended) starting rating: 1492
round table opponent (rating) result Δrating
1extended 92 Lybaert, Marijn (1606) Won 2-1 +211513
2extended 26 Coenen, Rob (1575) Lost 0-2 -171496
3extended 208 Lemaire, Sylvain (1461) Lost 0-2 -191477
top average opponent: 1547record: 1-2 new rating: 1477

Grand Prix Paris 2004 (COK limited) starting rating: 1454
round table opponent (rating) result Δrating
1sealed 28 Willefert, Malo (1500) Won 2-0 +191473
2sealed 29 Pagola, Jerome (1518) Lost 1-2 -171456
3sealed 265 Le Quellec, Manuel (1498) Won 2-1 +181474
4sealed 181 Caffier, Aurelien (1521) Won 2-0 +191493
5sealed 90 Jenkins, Dan (1452) Won 2-1 +171510
6sealed 58 Vigne, Bertrand (1516) Lost 0-2 -181492
top average opponent: 1501record: 4-2 new rating: 1492

Grand Prix Zurich 2004 (Mirrodin block) starting rating: 1508
round table opponent (rating) result Δrating
1block 199 Esteve, Enrique (1500) Lost 0-2 -181490
2block 224 Kurhofer, Stefan (1491) Won 2-0 +181508
3block 216 Schetter, Jerome (1503) Lost 0-2 -181490
4block 224 Roth, Hannes (1484) Lost 0-2 -181472
5block 236 Luppi, Stefano (1465) Lost 1-2 -181454
top average opponent: 1489record: 1-4 new rating: 1454

Grand Prix Brussels 2004 (DST standard) starting rating: 1480
round table opponent (rating) result Δrating
4standard 29 Korevaar, Martijn (1555) Won 2-1 +191499
5standard 32 Steenkiste, Julien (1575) Won 2-0 +191518
6standard 9 van Varik, Frits (1469) Won 2-0 +171535
7standard 9 Nuijten, Julien (1557) Lost 0-2 -171518
8standard 20 Queroub, Steve (1738) ID 01518
9standard 23 Hamon, Yann (1976) Won 2-1 +261544
10standard 23 Vilm, Jerome (1633) Lost 0-2 -171527
11standard 1 Dols, Roel (1634) Lost 1-2 -161511
12standard 27 Derdak, Christoph (1627) Won 2-0 +201531
13standard 22 Wiegersma, Jelger (1890) Lost 0-2 -111520
14standard 29 Labarre, Nicolas (1911) Lost 0-2 -121508
top average opponent: 1688record: 5-5-1 new rating: 1508

Grand Prix Birmingham 2004 (DST limited) starting rating: 1494
round table opponent (rating) result Δrating
4sealed 16 Johnson, Bill [ENG] (1425) Lost 1-2 -191475
5sealed 103 Snarheim, Dagfinn (1551) Lost 1-2 -161459
6sealed 101 Lewis, Simon (1519) Lost 1-2 -171442
7sealed 111 Norgaard, Mikkel (1488) Won 2-1 +181460
8sealed 87 gomez, julian (1516) Won 2-0 +201480
top average opponent: 1500record: 2-3 new rating: 1480

Grand Prix Munich 2003 (MRD limited) starting rating: 1463
round table opponent (rating) result Δrating
1sealed 226 Hudelmaier, Martin (1500) Won 2-1 +191482
2sealed 76 Ruth, Melvin (1481) Won 2-0 +181500
3sealed 43 Seiler, Christian (1538) Won 2-1 +191519
4sealed 19 Mack, Alex (1865) Won 2-1 +241543
5sealed 61 Silny, Andre (1592) Won 2-0 +191562
6sealed 31 Postema, Bas (1678) Lost 1-2 -161546
7sealed 53 Eckenberger, Max (1590) Lost 1-2 -181528
8sealed 87 Henry, Benoit (1607) Lost 1-2 -161512
9sealed 118 Maul, Sebastian (1542) Lost 0-2 -181494
top average opponent: 1599record: 5-4 new rating: 1494

Grand Prix London 2003 (Onslaught block) starting rating: 1500
round table opponent (rating) result Δrating
1block 118 Lagas, Joost (1465) Lost 0-2 -191481
2block 208 Hamer, Douglas (1483) Lost 0-2 -181463
3block 215 Gazey, Dave (1462) Won 2-1 +181481
4block 214 Lim, Paul Qi-En (1473) Lost 0-2 -181463
top average opponent: 1471record: 1-3 new rating: 1463