Noordhoek, Johan
Current rating: 1490
Record: 20-21-1
| Grand Prix Utrecht 2019 (ELD limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 361 | Delbourg, Matthieu (1588) | Won 2-1 | +191535 |
| 2sealed | 480 | Lyons, Oisin (1676) | Lost 0-2 | -151520 |
| 3sealed | 463 | von Beschwitz, Bastian (1885) | Lost 0-2 | -121508 |
| 4sealed | 625 | Meulenbroek, Joep (1480) | Lost 0-2 | -181490 |
| top | average opponent: 1657record: 1-3 | new rating: 1490 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1107 | Heijne, Pim (1523) | Draw 1-1 | +11477 |
| 2sealed | 1264 | Leuba, Lucas (1500) | Won 2-1 | +181495 |
| 3sealed | 1233 | Schouppe, Ewald (1427) | Won 2-0 | +171512 |
| 4sealed | 1117 | Borek, Ales (1609) | Won 2-0 | +201532 |
| 5sealed | 1063 | Bleeker, Martijn (1539) | Lost 1-2 | -181514 |
| 6sealed | 1145 | Joens, Klaus (1750) | Lost 0-2 | -141500 |
| 7sealed | 1216 | Wong, Man Hin (1477) | Lost 1-2 | -181482 |
| 8sealed | 1184 | Codina Font, Francesco (1364) | Won 2-1 | +161498 |
| 9sealed | 1137 | Leifeld, Marcel (1502) | Won 2-0 | +181516 |
| top | average opponent: 1521record: 5-3-1 | new rating: 1516 | ||
| Grand Prix Paris 2011 (MBS limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1157 | Bose, Timur (1500) | Won 2-0 | +181528 |
| 2sealed | 1161 | Dale, Emmanuel (1629) | Won 2-1 | +201548 |
| 3sealed | 1033 | Dimitriu, Alexandru-Nicolae (1603) | Lost 1-2 | -171531 |
| 4sealed | 1181 | Tatarenko, Nicolas (1475) | Lost 1-2 | -191512 |
| 5sealed | 1213 | Kedryna, Jerome (1497) | Lost 1-2 | -181494 |
| 6sealed | 1218 | Allet, Christophe (1527) | Won 2-0 | +181512 |
| 7sealed | 1161 | Franek, Guillaume (1522) | Lost 0-2 | -181494 |
| 8sealed | 1135 | Sorribas, Xavier (1483) | Lost 0-2 | -181476 |
| top | average opponent: 1529record: 3-5 | new rating: 1476 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 533 | Piirainen, Tuomas (1500) | Lost 0-2 | -191549 |
| 2sealed | 672 | Vage, Anders Emil (1482) | Lost 1-2 | -201529 |
| 3sealed | 684 | Holm, Dan (1464) | Lost 1-2 | -191510 |
| top | average opponent: 1482record: 0-3 | new rating: 1510 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 860 | Puleo, Raphael (1522) | Won 2-1 | +171572 |
| 2sealed | 629 | Dutheil, Matthieu (1543) | Won 2-1 | +181590 |
| 3sealed | 649 | Bourez, Arnaud (1535) | Lost 0-2 | -191571 |
| 4sealed | 853 | Valin, Matthieu (1495) | Lost 1-2 | -191552 |
| 5sealed | 901 | Almeida, Tiago (1464) | Won 2-0 | +161568 |
| 6sealed | 834 | Michels, Tim (1529) | Won 2-0 | +171585 |
| 7sealed | 800 | Samonova, Irina (1500) | Lost 1-2 | -191566 |
| 8sealed | 768 | Zinque, Michel (1520) | Won 2-0 | +171583 |
| 9sealed | 717 | Klumpp, Berthold (1753) | Lost 0-2 | -151568 |
| top | average opponent: 1540record: 5-4 | new rating: 1568 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Wolff, Tobias (1500) | Lost 1-2 | -181482 |
| 2sealed | 172 | Billiau, Michel (1437) | Won 2-1 | +171499 |
| 3sealed | 108 | De Schryver, Jessica (1473) | Lost 0-2 | -181481 |
| 4sealed | 220 | Bakos, Peter (1500) | Won 2-0 | +181499 |
| 5sealed | 160 | Dumontier, Laurent (1549) | Won 2-0 | +191518 |
| 6sealed | 92 | Lehnert, Heiko (1574) | Won 2-1 | +191537 |
| 7sealed | 68 | Barkarson, Unnsteinn (1524) | Won 2-1 | +181555 |
| 8sealed | 59 | Von Kalkstein, Christian (1613) | Won 2-1 | +191574 |
| 9sealed | 19 | de Jong, Hugo (1532) | Lost 0-2 | -191555 |
| top | average opponent: 1523record: 6-3 | new rating: 1555 | ||