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Individual Calculations September 2009 |
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| Kampen, Bert Total change: -59.50 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 1908 | 1.50 | 5 | -0.81 | 25 | -20.25 | |
|  Van Der Kooij, Paul | | | 2011 | NED | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Pijlman, Rene | | | 1869 | NED | 0.50 | 1 | -0.05 | 25 | -1.25 | |  Tulfer, Paul | | | 1879 | NED | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Van De Peut, Aart | | | 1990 | NED | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Westerman, Henk | | | 1932 | NED | 0.50 | 1 | 0.03 | 25 | 0.75 | |
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 |
| 1899 | 1908 | 1.00 | 5 | -1.57 | 25 | -39.25 | |
| | Swinkels, Maurice | | | 1976 | NED | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Scholten, Karel | | | 1967 | NED | 0.00 | 1 | -0.42 | 25 | -10.50 | | | De Lange, Hans | | | 1873 | NED | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Brandenburg, Lucia | | | 1910 | NED | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Stoffers, Jeffrey | | | 1769 | NED | 0.50 | 1 | -0.19 | 25 | -4.75 | |
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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