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Individual Calculations September 2009 |
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| Tulfer, Paul Total change: 22.00 | |   |
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| Intomart GfK Open 2009 - group B | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1879 | 3.00 | 5 | 0.38 | 25 | 9.50 | |
|  Becic, Zijad | | | 1960 | NED | 0.00 | 1 | -0.39 | 25 | -9.75 | |  Kampen, Bert | | | 1908 | NED | 0.50 | 1 | 0.04 | 25 | 1.00 | | | De Visser, Arno | | | 1879 | NED | 0.50 | 1 | 0.00 | 25 | 0.00 | | | Van Dinteren, Andre | | | 1795 | NED | 1.00 | 1 | 0.38 | 25 | 9.50 | | | Vermeulen, Bart | | | 1771 | NED | 1.00 | 1 | 0.35 | 25 | 8.75 | |
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) | | | | Veteranen Seniorenkampioenschap 2009 | Oosterbeek | NED | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 1879 | 2.50 | 6 | 1.06 | 25 | 26.50 | |
| | Goossen, Theo | | | 2054 | NED | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Mostertman, Loek | | | 2087 | NED | 0.50 | 1 | 0.27 | 25 | 6.75 | | | De Rooi, Paul | | | 2038 | NED | 0.50 | 1 | 0.21 | 25 | 5.25 | | | Van Caspel, Ruud | | | 2107 | NED | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Haitsma, Anne | | | 2101 | NED | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Monte, Peter | | | 2104 | NED | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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 |
| 1965 | 1879 | 1.00 | 4 | -0.56 | 25 | -14.00 | |
| | Voigt, Ingrid | | wf | 2104 | GER | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Jamshedy, Mohammad Ismail | | | 1880 | AFG | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Mascini, Jan | | | 1903 | NED | 0.50 | 1 | 0.03 | 25 | 0.75 | | | Winkel, Ruud | | | 1972 | NED | 0.50 | 1 | 0.13 | 25 | 3.25 | |
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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