Huizing, Marvin
Current rating: 1594
Record: 22-16-1
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Karsten, Martin (1461) | Draw 1-1 | -21586 |
| 2sealed | 126 | Molders, Nikolaus (1473) | Won 2-0 | +161602 |
| 3sealed | 80 | Weber, Robert (1450) | Won 2-1 | +151617 |
| 4sealed | 61 | Fromm, Felix (1640) | Won 2-0 | +181635 |
| 5sealed | 27 | Klein, Finn (1447) | Lost 0-2 | -211614 |
| 6sealed | 68 | Madelenat, Benoit (1537) | Lost 1-2 | -201594 |
| top | average opponent: 1501record: 3-2-1 | new rating: 1594 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 309 | Duisings, Vico (1464) | Won 2-1 | +151612 |
| 2extended | 91 | Ruess, Jan (1639) | Won 2-1 | +191631 |
| 3extended | 131 | Garofalo, Massimiliano (1555) | Lost 0-2 | -201611 |
| 4extended | 251 | Schweitzer, Marcel (1518) | Won 2-0 | +171628 |
| 5extended | 119 | Heptner, Felix (1519) | Lost 1-2 | -201608 |
| 6extended | 221 | Neyens, Kris (1512) | Lost 1-2 | -201588 |
| top | average opponent: 1535record: 3-3 | new rating: 1588 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Vavra, Jan (1430) | Lost 0-2 | -211565 |
| 2sealed | 361 | Wopperer, Michael (1499) | Lost 0-2 | -191546 |
| 3sealed | 438 | Schwarz, Florian (1463) | Won 2-0 | +171563 |
| 4sealed | 354 | Lambacher, Mario (1556) | Won 2-0 | +171580 |
| 5sealed | 304 | Giuliani, Aldo (1498) | Won 2-0 | +171597 |
| 6sealed | 226 | Persson, Andreas (1650) | Lost 0-2 | -171580 |
| 7sealed | 211 | Jerye, Robert (1509) | Won 2-0 | +171597 |
| top | average opponent: 1515record: 4-3 | new rating: 1597 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 61 | Veron, Mathias (1750) | Lost 1-2 | -161589 |
| 5block | 79 | Ingrassia, Philippe (1541) | Won 2-1 | +171606 |
| 6block | 71 | Foltyn, Jan (1582) | Lost 0-2 | -181588 |
| 7block | 81 | Guihard, Vivien (1536) | Lost 0-2 | -191569 |
| 8block | 112 | Driscoll, Leigh (1521) | Won 2-1 | +171586 |
| top | average opponent: 1586record: 2-3 | new rating: 1586 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Degrou, Loic (1488) | Won 2-0 | +181539 |
| 2sealed | 95 | Kiewit, Marco (1516) | Won 2-0 | +171556 |
| 3sealed | 42 | Nitter, Eivind (1724) | Won 2-1 | +211577 |
| 4sealed | 11 | da Costa Cabral, Bernardo (1642) | Won 2-1 | +201597 |
| 5sealed | 5 | Desprez, Kevin (1523) | Lost 1-2 | -201577 |
| 6sealed | 25 | Snepvangers, Bram (1820) | Lost 1-2 | -131564 |
| 7sealed | 82 | Zink, Sebastian (1570) | Won 2-1 | +181582 |
| 8sealed | 68 | Rosholm, Thomas (1853) | Won 2-0 | +231605 |
| top | average opponent: 1642record: 6-2 | new rating: 1605 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 187 | Boendermaker, Wouter (1500) | Won 2-0 | +181518 |
| 2sealed | 91 | Van Der Weg, Arhat (1518) | Won 2-0 | +181536 |
| 3sealed | 99 | Verhulst, Johan (1536) | Won 2-0 | +181554 |
| 4sealed | 33 | Garrebeck, Till (1556) | Won 2-1 | +181572 |
| 5sealed | 35 | Bingen, Sturla (1656) | Lost 1-2 | -161556 |
| 6sealed | 26 | Goldbaum, Nils-Uwe (1537) | Lost 0-2 | -191537 |
| 7sealed | 92 | Benezech, Lionel (1660) | Lost 0-2 | -161521 |
| top | average opponent: 1566record: 4-3 | new rating: 1521 | ||