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Individual Calculations September 2009 |
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| Kastelein, Gerard Total change: -5.75 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1895 | 2.00 | 4 | -0.23 | 25 | -5.75 | |
|  Vermeulen, Bart | | | 1771 | NED | 0.00 | 1 | -0.67 | 25 | -16.75 | | | Jos, Ernst | | | 1909 | NED | 0.50 | 1 | 0.02 | 25 | 0.50 | | | De Visser, Arno | | | 1879 | NED | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Lasschuit, Rene | | | 1854 | NED | 1.00 | 1 | 0.44 | 25 | 11.00 | |
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) | | |
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