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Individual Calculations September 2009 |
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| Veldhuysen, Klaas Total change: -13.35 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 2013 | 4.00 | 6 | 0.19 | 15 | 2.85 | |
|  Weverling, Ferry | | | 1839 | NED | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Van Dinteren, Andre | | | 1795 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Van Der Kooij, Paul | | | 2011 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Van Den Bergh, Jan | | | 2101 | NED | 0.00 | 1 | -0.38 | 15 | -5.70 | | | De Heer, Henk | | | 1922 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Vermeulen, Bart | | | 1771 | NED | 1.00 | 1 | 0.20 | 15 | 3.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Dutch Open - Reserve A | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 2013 | 3.00 | 5 | -0.38 | 15 | -5.70 | |
| | Mascini, Jan | | | 1903 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Obels, Pepijn | | | 1744 | NED | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Reinders, Joan | | | 1874 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Voigt, Ingrid | | wf | 2104 | GER | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Evengroen, Henk-Jan | | | 1743 | NED | 0.00 | 1 | -0.83 | 15 | -12.45 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2013 | 1.50 | 6 | -0.70 | 15 | -10.50 | |
| | Duchene, Rene | | | 2216 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Van Der Linde, Maurits | | | 2171 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Smits, Sebastiaan | | | 2165 | NED | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Aben, Paul | | | 1846 | NED | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Riemens, Albert | | | 2156 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Stange, Sven | | | 2130 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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