Kees Wessels, onze mathemagiër
Ook dit seizoen worden wekelijks, of eigenlijk zelfs per partij, de ELO-ratings van de huidige leden van Schaakvereniging Sliedrecht geactualiseerd. Startwaarden zijn de ratings na het seizoen 2020/2021, en meegeteld worden alle partijen uit de interne competitie alsmede alle door Sliedrechters behaalde resultaten in RSB- of KNSB-wedstrijden en officiële toernooien, zoals ONJK, ONK, Fourmies, enzovoorts.
Ook de uitslagen van de KNSB/RSB-jeugdcompetitie en kampioenschappen worden verwerkt. Ook worden de uitslagen van de jeugdcompetitie meegenomen. Zo zijn deze ratings uitgegroeid tot de meest zuivere cijfers.
De actieve clubleden en hun rating na 23 september 2021 zijn:
| Id | Name | Actual | Start | Change | Np. | Timestamp | ||
|---|---|---|---|---|---|---|---|---|
| 1. | 8076706 | Peter van den Bergh | 2114 | 2105 | 9 | 920 | 2021-09-23 | |
| 2. | 8097551 | Niels Mijnster | 2100 | 2112 | -12 | 729 | 2021-09-18 | |
| 3. | 7520359 | Arjan van der Leij | 2065 | 2063 | 2 | 116 | 2021-09-23 | |
| 4. | 8416254 | Adrian Mensing | 2040 | 2048 | -8 | 486 | 2021-09-23 | |
| 5. | 8434382 | William Gijsen | 2038 | 2025 | 13 | 676 | 2021-09-23 | |
| 6. | 6757608 | Wim Pool | 2038 | 2051 | -13 | 494 | 2021-09-23 | |
| 7. | 7966849 | Tobias Dekker | 2021 | 2021 | 0 | 277 | 2020-02-14 | |
| 8. | 7445141 | Teunis den Rooijen | 1991 | 1991 | 0 | 205 | 2020-09-10 | |
| 9. | 7440422 | Tim Schakel | 1974 | 1978 | -4 | 49 | 2021-09-23 | |
| 10. | 8044729 | Robert van Rekom | 1952 | 1950 | 2 | 875 | 2021-09-23 | |
| 11. | 8416143 | Andrew Mensing | 1949 | 1949 | 0 | 475 | 2020-03-07 | |
| 12. | 6149759 | Wim Hokken | 1943 | 1956 | -13 | 848 | 2021-09-23 | |
| 13. | 7669486 | Willem Barendswaard | 1943 | 1940 | 3 | 62 | 2021-09-23 | |
| 14. | 8329530 | Jorik Klein | 1931 | 1934 | -3 | 798 | 2021-09-23 | |
| 15. | 5801081 | Theo Dekker | 1893 | 1899 | -6 | 144 | 2021-09-18 | |
| 16. | 6140563 | Wout Boer | 1862 | 1875 | -13 | 589 | 2021-09-23 | |
| 17. | 7243731 | Kees Wessels | 1854 | 1841 | 13 | 858 | 2021-09-16 | |
| 18. | 6959898 | Meinte Smink | 1849 | 1855 | -6 | 71 | 2021-09-23 | |
| 19. | 8174276 | Arjan Kreukniet | 1845 | 1845 | 0 | 4 | 2021-06-10 | |
| 20. | 6050517 | Hans Klein | 1835 | 1834 | 1 | 549 | 2021-09-23 | |
| 21. | 7490054 | Pieter Pons | 1830 | 1830 | 0 | 129 | 2020-01-09 | |
| 22. | 6068777 | Jerry van Rekom | 1829 | 1840 | -11 | 823 | 2021-09-18 | |
| 23. | 8651401 | Dana Verheij | 1788 | 1793 | -5 | 161 | 2021-09-23 | |
| 24. | 7181966 | Johan van de Griend | 1770 | 1761 | 9 | 221 | 2021-09-23 | |
| 25. | 7169305 | Willem Kuiper | 1728 | 1735 | -7 | 288 | 2021-09-18 | |
| 26. | 8291756 | Jurgen de Haan | 1716 | 1689 | 27 | 530 | 2021-09-23 | |
| 27. | 6016813 | Frank Stoute | 1711 | 1711 | 0 | 13 | 2019-11-28 | |
| 28. | 6131400 | Henk Prins | 1676 | 1689 | -13 | 588 | 2021-09-16 | |
| 29. | 6948557 | Kees van der Does | 1668 | 1673 | -5 | 249 | 2021-09-18 | |
| 30. | 8044080 | Joost Stoker | 1662 | 1654 | 8 | 616 | 2021-09-18 | |
| 31. | 7775900 | Jeroen Brandsma | 1648 | 1678 | -30 | 5 | 2021-09-23 | |
| 32. | 8203646 | Martijn Stoker | 1636 | 1636 | 0 | 344 | 2021-09-16 | |
| 33. | 8631843 | Yaro van Beest | 1628 | 1616 | 12 | 179 | 2021-09-16 | |
| 34. | 7626751 | Henk van der Hoek | 1614 | 1619 | -5 | 62 | 2021-09-23 | |
| 35. | 8012884 | Peter Vis | 1605 | 1600 | 5 | 755 | 2021-09-23 | |
| 36. | 8049415 | Pieter Blokland | 1597 | 1597 | 0 | 266 | 2019-10-24 | |
| 37. | 7982480 | Jaap Euser | 1563 | 1561 | 2 | 132 | 2021-09-23 | |
| 38. | 7771478 | Bert Dobber | 1560 | 1572 | -12 | 84 | 2021-09-23 | |
| 39. | 8469593 | Luana Mensing | 1505 | 1524 | -19 | 367 | 2021-09-23 | |
| 40. | 8283121 | Tjerry Hut | 1496 | 1509 | -13 | 66 | 2021-09-23 | |
| 41. | 8813354 | Arco van Houwelingen | 1450 | 1441 | 9 | 99 | 2021-09-23 | |
| 42. | 8408411 | Hans Vink | 1443 | 1443 | 0 | 153 | 2020-03-12 | |
| 43. | 8587579 | Sami al-Yassin | 1433 | 1428 | 5 | 156 | 2021-09-09 | |
| 44. | 6131576 | Martin Prins | 1410 | 1433 | -23 | 443 | 2021-09-23 | |
| 45. | 7397313 | André van Dieën | 1403 | 1403 | 0 | 523 | 2020-09-24 | |
| 46. | 8796007 | Louis Liu | 1332 | 1318 | 14 | 10 | 2021-09-16 | |
| 47. | 8398005 | Koos van den Berg | 1325 | 1325 | 0 | 287 | 2021-06-17 | |
| 48. | 8603771 | Barend van Dieren | 1322 | 1322 | 0 | 160 | 2020-10-22 | |
| 49. | 8819492 | Vincent Langstraat | 1311 | 1340 | -29 | 90 | 2021-09-16 | |
| 50. | 8863492 | Simon Kadijk | 1294 | 1295 | -1 | 38 | 2021-09-23 | |
| 51. | 8460166 | Marcel Klein | 1288 | 1292 | -4 | 285 | 2021-09-23 | |
| 52. | 8819514 | Willem Theunisse | 1288 | 1313 | -25 | 83 | 2021-09-16 | |
| 53. | 8856353 | Jabber al-Yassin | 1270 | 1272 | -2 | 78 | 2021-09-16 | |
| 54. | 8859752 | Theo Theunisse | 1266 | 1252 | 14 | 54 | 2021-09-16 | |
| 55. | 8493364 | Rik Versteeg | 1261 | 1257 | 4 | 107 | 2021-09-23 | |
| 56. | 7705907 | Henri Hartog | 1247 | 1253 | -6 | 701 | 2021-09-09 | |
| 57. | 8597457 | Tim de Waard | 1245 | 1258 | -13 | 183 | 2021-09-16 | |
| 58. | 8924289 | Rien Lodder | 1239 | 1223 | 16 | 9 | 2021-09-23 | |
| 59. | 8564204 | Maarten Hartkoren | 1224 | 1196 | 28 | 186 | 2021-09-16 | |
| 60. | 8839292 | Joas Berkhouwer | 1221 | 1221 | 0 | 78 | 2021-09-16 | |
| 61. | 8819503 | Sven Langstraat | 1213 | 1216 | -3 | 93 | 2021-09-16 | |
| 62. | 8596654 | Ricardo Veen | 1194 | 1194 | 0 | 100 | 2021-07-08 | |
| 63. | 8657869 | Ferhat Erdogan | 1190 | 1164 | 26 | 173 | 2021-09-23 | |
| 64. | 8796953 | Jaimy Bakker | 1187 | 1170 | 17 | 105 | 2021-09-16 | |
| 65. | 8430618 | Michiel van den Berg | 1187 | 1187 | 0 | 209 | 2021-07-15 | |
| 66. | 8653942 | Karel Peursem | 1186 | 1186 | 0 | 120 | 2021-07-22 | |
| 67. | 8336097 | Stefan van der Waal | 1179 | 1148 | 31 | 28 | 2021-09-23 | |
| 68. | 8856375 | Bram Theunisse | 1160 | 1139 | 21 | 55 | 2021-09-16 | |
| 69. | 8799054 | Jelle Peursem | 1135 | 1135 | 0 | 91 | 2021-07-08 | |
| 70. | 7353236 | Leo Koppelaar | 1125 | 1139 | -14 | 649 | 2021-09-23 | |
| 71. | 7792620 | Mark van Hulst | 1125 | 1123 | 2 | 612 | 2021-09-23 | |
| 72. | 8886405 | Roël Koopman | 1124 | 1136 | -12 | 41 | 2021-09-16 | |
| 73. | 8899418 | Niels Theunisse | 1122 | 1115 | 7 | 30 | 2021-09-16 | |
| 74. | 8796931 | Angel Theivendram | 1111 | 1105 | 6 | 89 | 2021-09-16 | |
| 75. | 8918822 | Gerard van der Meijden | 1105 | 1107 | -2 | 26 | 2021-09-16 | |
| 76. | 8703893 | Julian van Dieën | 1104 | 1085 | 19 | 134 | 2021-09-16 | |
| 77. | 8886394 | Jurrian Verweij | 1103 | 1127 | -24 | 46 | 2021-09-16 | |
| 78. | 8839347 | Justin Sloots | 1088 | 1071 | 17 | 69 | 2021-09-16 | |
| 79. | 8282516 | Roland Kop | 1073 | 1076 | -3 | 331 | 2021-09-09 | |
| 80. | 8614276 | Johan Gijsen | 1071 | 1065 | 6 | 226 | 2021-09-23 | |
| 81. | 8918855 | Gabriël van Valen | 1059 | 1059 | 0 | 21 | 2021-07-22 | |
| 82. | 8760598 | Milan Kanthasamy | 1058 | 1074 | -16 | 110 | 2021-09-16 | |
| 83. | 8851535 | Christie de Rover | 1056 | 1056 | 0 | 47 | 2020-12-10 | |
| 84. | 8830371 | Mike Boom | 1053 | 1038 | 15 | 72 | 2021-09-16 | |
| 85. | 8000002 | Matthew Terlouw | 1046 | 1046 | 0 | 6 | 2021-07-08 | |
| 86. | 8918833 | Rik Slagboom | 1038 | 1038 | 0 | 16 | 2021-07-22 | |
| 87. | 8616850 | Sharujan Ratnam | 1034 | 1041 | -7 | 171 | 2021-09-16 | |
| 88. | 8000003 | Roel Post | 1027 | 1027 | 0 | 1 | 2021-07-08 | |
| 89. | 8851546 | Lieke de Rover | 1025 | 1045 | -20 | 43 | 2021-09-16 | |
| 90. | 8819481 | Seth van Houwelingen | 1020 | 1020 | 0 | 76 | 2020-12-10 | |
| 91. | 8899429 | Isaac Theivendram | 1017 | 1000 | 17 | 24 | 2021-09-16 | |
| 92. | 8000006 | Ryan Wiersma | 1015 | 1000 | 15 | 2 | 2021-09-16 | |
| 93. | 8000001 | Joshua Terlouw | 1013 | 1013 | 0 | 6 | 2021-07-08 | |
| 94. | 8924300 | Janneke Westhoven | 1005 | 1005 | 0 | 4 | 2021-07-29 | |
| 95. | 8486885 | Cees Moes | 1000 | 1001 | -1 | 264 | 2021-09-16 | |
| 96. | 8810131 | Jan van Heukelum | 1000 | 1000 | 0 | 0 | 2021-01-02 | |
| 97. | 8851557 | Lavan Kamalaruban | 1000 | 1000 | 0 | 76 | 2021-09-16 | |
| 98. | 8813343 | Shamiera Ratnam | 1000 | 1000 | 0 | 101 | 2021-07-22 | |
| 99. | 8000005 | Bastiaan Quellhorst | 1000 | 1000 | 0 | 3 | 2021-07-08 | |
| 100. | 8000004 | Debbie Terlouw | 1000 | 1000 | 0 | 3 | 2021-07-08 | |
| 101. | 8737971 | Joshua Koers | 1000 | 1012 | -12 | 13 | 2021-09-16 |
