Koopman, Rinke
Current rating: 1697
Record: 39-24-1
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1735 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Rings, Jorg (1500) | Won 2-0 | +141749 |
| 2sealed | 124 | Longa, Piotr (1466) | Won 2-1 | +131762 |
| 3sealed | 121 | Scharfe, Tai (1597) | Lost 1-2 | -211741 |
| 4sealed | 230 | Boelsmand, Jeppe (1478) | Lost 1-2 | -231718 |
| 5sealed | 283 | Zimpel, Timo (1501) | Lost 1-2 | -211697 |
| top | average opponent: 1508record: 2-3 | new rating: 1697 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1764 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 148 | Picciafuochi, Riccardo (1536) | Won 2-1 | +141778 |
| 3sealed | 25 | Berkemeier, Christian (1675) | Lost 0-2 | -201758 |
| 4sealed | 88 | Gude, Sven (1517) | Lost 1-2 | -231735 |
| top | average opponent: 1576record: 1-2 | new rating: 1735 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1788 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 129 | Palencias, Daniel (1518) | Won 2-0 | +141802 |
| 3sealed | 86 | Teeuws, Stijn (1536) | Lost 0-2 | -231779 |
| 4sealed | 202 | Keren, Tom (1501) | Won 2-0 | +131792 |
| 5sealed | 108 | Collinet, Patrick (1578) | Won 2-0 | +141806 |
| 6sealed | 97 | Xie, Xiu Jie (1719) | Lost 0-2 | -201786 |
| 7sealed | 105 | Caffier, Aurelien (1518) | Lost 0-2 | -221764 |
| top | average opponent: 1561record: 3-3 | new rating: 1764 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Osterburg, Yannic (1467) | Lost 0-2 | -221650 |
| 2sealed | 190 | Jankowski, Denis (1458) | Won 2-0 | +151665 |
| 3sealed | 172 | Voigts, Christoph (1431) | Won 2-1 | +141679 |
| 4sealed | 134 | Materne, Philipp (1575) | Won 2-1 | +161695 |
| 5sealed | 81 | Budde, Jan-Philipp (1536) | Won 2-0 | +151710 |
| 6sealed | 55 | Stein, Harald (1852) | Won 2-0 | +211731 |
| 7sealed | 31 | Adler, Benjamin (1575) | Won 2-1 | +151746 |
| 8sealed | 14 | Kaurinovic, Timmy (1484) | Lost 1-2 | -231723 |
| 9sealed | 29 | Kirsch, Christian (1490) | ID | 01723 |
| 10draft | 35 | Breitwieser, Nicolas (1520) | Won 2-0 | +151738 |
| 11draft | 23 | Dijt, Sven (1660) | Won 2-0 | +161754 |
| 12draft | 17 | Tomelitsch, Patrick (1864) | Won 2-1 | +201774 |
| 13draft | 47 | Cavaglieri, William (1698) | Lost 1-2 | -191755 |
| 14draft | 46 | De Sio, Jakub (1692) | Won 2-0 | +171772 |
| 15draft | 18 | Breit, Bernhard (1706) | Won 2-1 | +161788 |
| top | average opponent: 1601record: 11-3-1 | new rating: 1788 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Engels, Gwen (1500) | Won 2-0 | +161643 |
| 2sealed | 9 | Massat, Nicolas (1661) | Won 2-1 | +181661 |
| 3sealed | 31 | Meissner, Patrick (1814) | Lost 0-2 | -151646 |
| 4sealed | 89 | Claes, Nick (1481) | Lost 0-2 | -211625 |
| 5sealed | 159 | Hensen, Stijn (1609) | Lost 1-2 | -181607 |
| 6sealed | 152 | Bortels, Jeff (1484) | Won 2-1 | +161623 |
| 7sealed | 116 | Bruno, Vincent (1555) | Won 2-1 | +161639 |
| 8sealed | 78 | Theunis, Johan (1519) | Won 2-1 | +161655 |
| 9sealed | 55 | Riquier, Stephane (1593) | Won 0-0 | +171672 |
| top | average opponent: 1580record: 6-3 | new rating: 1672 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 277 | van Gool, Marcel (1495) | Lost 0-2 | -181471 |
| 2extended | 439 | Bartos, Jan (1415) | Won 2-1 | +171488 |
| 3extended | 303 | van Kuilenburg, Neil (1499) | Won 2-0 | +181506 |
| 4extended | 130 | Krutil, Daniel (1687) | Won 2-1 | +211527 |
| 5extended | 155 | Bohringer, Steffen (1606) | Lost 1-2 | -161511 |
| 6extended | 202 | Verdoodt, Philip (1535) | Won 2-0 | +181529 |
| 7extended | 160 | Verbinnen, Kurt (1614) | Won 2-0 | +201549 |
| 8extended | 102 | Outenaar van de, Robbert (1555) | Won 2-0 | +181567 |
| 9extended | 37 | Pecourt, Pierre Michel (1570) | Won 2-1 | +181585 |
| 10extended | 19 | Klaffke, Jan (1576) | Won 2-1 | +181603 |
| 11extended | 26 | Riviere, Alexandre (1699) | Lost 1-2 | -161587 |
| 12extended | 35 | Coenen, Rob (1646) | Won 2-1 | +191606 |
| 13extended | 16 | Warmenhoven, Ruud (1800) | Lost 0-2 | -151591 |
| 14extended | 40 | Niemeyer, Johnny (1635) | Won 2-0 | +191610 |
| 15extended | 28 | Sury, Zdenek (1586) | Won 0-0 | +171627 |
| top | average opponent: 1594record: 11-4 | new rating: 1627 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 21 | Muylaert, Bjorn (1518) | Won 2-1 | +181499 |
| 3sealed | 23 | Geurts, Michiel (1518) | Won 2-0 | +191518 |
| 4sealed | 4 | Mello, Patrick (1678) | Lost 1-2 | -151503 |
| 5sealed | 95 | Tramm, Martin (1602) | Lost 0-2 | -171486 |
| 6sealed | 144 | Jakobsen, Martin (1528) | Won 2-0 | +191505 |
| 7sealed | 73 | Martinez, Alexis (1592) | Lost 1-2 | -161489 |
| top | average opponent: 1573record: 3-3 | new rating: 1489 | ||
| Grand Prix Copenhagen 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Nebel, Erik (1518) | Won 2-0 | +181518 |
| 2sealed | 40 | Brandtzaeg, Christian (1465) | Lost 0-2 | -191499 |
| 3sealed | 79 | Jonasson, Jakob (1463) | Lost 0-2 | -181481 |
| 4sealed | 146 | Skovfoged, Thomas (1499) | Draw 1-1 | 01481 |
| 5sealed | 141 | Will, Robert (1465) | Won 2-0 | +181499 |
| 6sealed | 109 | Danngarde, Per (1499) | Lost 0-2 | -181481 |
| top | average opponent: 1485record: 2-3-1 | new rating: 1481 | ||