Kok, Christiaan
Current rating: 1633
Record: 7-9 (GP) / 26-21-1 (professional)
| Pro Tour Prague 2006 (DIS draft) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 170 | Luengo, Jorge (1801) | Won 2-1 | +211662 |
| 2draft | 99 | Bradley, James (1517) | Won 2-1 | +151677 |
| 3draft | 5 | Sibast, Rasmus (1721) | Lost 0-2 | -171660 |
| 4draft | 130 | Webb, Taylor (1705) | Won 2-0 | +191679 |
| 5draft | 155 | Tsapko, Vasily (1670) | Won 2-1 | +181697 |
| 6draft | 19 | Maij, Rosario (1849) | Lost 1-2 | -151682 |
| 7draft | 34 | Damo da Rosa, Paulo Vitor (1902) | Lost 0-2 | -141668 |
| 8draft | 57 | Fritz Kunc, Ziga (1855) | Lost 0-2 | -151653 |
| 9draft | 62 | Timonen, Jussi (1807) | Lost 0-2 | -151638 |
| 10draft | 20 | Hristov, Hristo (1471) | Won 2-0 | +151653 |
| 11draft | 6 | Suarez, Felipe (1526) | Lost 0-2 | -211632 |
| 12draft | 67 | Kotas, Frantisek (1612) | Lost 0-2 | -181614 |
| 13draft | 37 | Hristov, Hristo (1464) | Won 2-1 | +151629 |
| 14draft | 17 | Timonen, Jussi (1781) | Lost 0-2 | -151614 |
| 15draft | 66 | Takahashi, Yuta (1655) | Won 2-0 | +191633 |
| top | average opponent: 1689record: 7-8 | new rating: 1633 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Mantellina, Carlo (1500) | Lost 0-2 | -211661 |
| 2sealed | 202 | Liesens, Julien (1567) | Lost 0-2 | -201641 |
| top | average opponent: 1534record: 0-2 | new rating: 1641 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1712 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 236 | Brozek, Jan (1505) | Lost 0-2 | -221690 |
| 3extended | 224 | Duerr, Oliver (1490) | Won 2-0 | +151705 |
| 4extended | 169 | Ottovordemgentschenfelde, Rolf (1456) | Lost 0-2 | -231682 |
| top | average opponent: 1484record: 1-2 | new rating: 1682 | ||
| Pro Tour San Diego 2004 (DST draft) | starting rating: 1727 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 52 | Foltyn, Jan (1666) | Won 2-0 | +171744 |
| 2draft | 42 | Hamon, Yann (2027) | Won 2-0 | +231767 |
| 3draft | 5 | Shvartsman, Alex (1821) | Lost 1-2 | -171750 |
| 4draft | 47 | Jansen, Patrick (1595) | Lost 0-2 | -211729 |
| 5draft | 113 | Hoaen, Rich (1782) | Lost 0-2 | -171712 |
| top | average opponent: 1778record: 2-3 | new rating: 1712 | ||
| Pro Tour Amsterdam 2004 (MRD rochester) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 90 | Pustilnik, Michael (1826) | Won 2-0 | +231581 |
| 2rochester | 1 | Lund, Kim Robin (1546) | Lost 1-2 | -191562 |
| 3rochester | 117 | Allison, Paul (1501) | Won 2-1 | +171579 |
| 4rochester | 77 | Walamies, Tomi (2024) | Lost 1-2 | -101569 |
| 5rochester | 80 | Hovi, Tommi (1924) | Won 2-0 | +241593 |
| 6rochester | 48 | Asahara, Akira (1861) | Won 2-1 | +231616 |
| 7rochester | 17 | Humpherys, David (1938) | Lost 0-2 | -131603 |
| 8rochester | 13 | Hein, Dirk (1715) | Won 2-1 | +201623 |
| 9rochester | 38 | Birner, Armin (1826) | Won 2-0 | +221645 |
| 10rochester | 39 | Krautmann, Wenzel (1600) | Lost 0-2 | -191626 |
| 11rochester | 19 | Ayama, Takashi (1622) | Won 2-0 | +181644 |
| 12rochester | 33 | Parker, Brock (1621) | Won 2-1 | +181662 |
| 13rochester | 32 | Wiegersma, Jelger (1991) | Won 2-0 | +241686 |
| 14rochester | 52 | Lynch, Brian (1620) | Won 2-1 | +161702 |
| 15rochester | 11 | Labarre, Nicolas (2081) | Won 2-0 | +251727 |
| top | average opponent: 1780record: 11-4 | new rating: 1727 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 34 | Johannsen, Dennis (1521) | Lost 1-2 | -181520 |
| 3sealed | 187 | Van Ravesteijn, Bart (1504) | Won 2-0 | +181538 |
| 4sealed | 128 | Norris, Pete (1529) | Won 2-1 | +171555 |
| 5sealed | 90 | Dubber, Wilhelm (1520) | Won 2-1 | +181573 |
| 6sealed | 35 | Bonroy, Sacha (1561) | Won 2-0 | +181591 |
| 7sealed | 14 | Aguado, Saul (1652) | Lost 1-2 | -171574 |
| 8sealed | 63 | Brackmann, Aaron (1706) | Lost 1-2 | -161558 |
| top | average opponent: 1570record: 4-3 | new rating: 1558 | ||
| Pro Tour Barcelona 2001 (PLS draft) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 2draft | 61 | Daoust, Guillaume (1545) | Lost 0-2 | -171486 |
| 3draft | 143 | Joseph, Christophe (1526) | Draw 1-1 | 01486 |
| 4draft | 76 | Gerstl, David (1541) | Won 2-0 | +191505 |
| 5draft | 140 | Finkel, Jon (2002) | Lost 0-2 | -91496 |
| 6draft | 149 | Costea, Bogdan (1486) | Won 2-1 | +181514 |
| 7draft | 62 | Wills, Scott (1662) | Won 2-0 | +201534 |
| 8draft | 13 | Sadeghpour, Johan (1794) | Won 2-0 | +231557 |
| 9draft | 9 | O'Mahoney-Schwartz, Daniel (1774) | Lost 0-2 | -141543 |
| 10draft | 15 | Jensen, Thomas Dall (1652) | Won 2-0 | +201563 |
| 11draft | 31 | Tsai, Tony (1705) | Lost 0-2 | -161547 |
| 12draft | 67 | Petersen, Jens (1590) | Won 2-1 | +191566 |
| 13draft | 2 | McCarrel, Casey (1837) | Lost 0-2 | -131553 |
| 14draft | 45 | Hegstad, Brian (1728) | Lost 0-2 | -151538 |
| top | average opponent: 1680record: 6-6-1 | new rating: 1538 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 85 | Gromko, Radoslaw (1620) | Lost 1-2 | -161484 |
| 3sealed | 158 | Verlinden, Stefaan (1492) | Lost 1-2 | -181466 |
| 4sealed | 261 | van Til, Henk (1484) | Won 2-0 | +191485 |
| 5sealed | 158 | Reichelt, Florian (1501) | Won 2-0 | +181503 |
| top | average opponent: 1524record: 2-2 | new rating: 1503 | ||