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Individual Calculations September 2009 |
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| De Wilde, Rik Total change: 37.05 | |   |
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| Dutch Open - Reserve A | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1919 | 4.00 | 6 | 1.53 | 25 | 38.25 | |
|  Jamshedy, Mohammad Ismail | | | 1880 | AFG | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Hoogland, Mike | | | 2046 | NED | 0.50 | 1 | 0.17 | 25 | 4.25 | |  Lentjes, Noud | | | 1865 | NED | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Ootes, Lennart | | | 2082 | NED | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Van De Donk, Bert | | | 1982 | NED | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Kronemeijer, Simon | | | 2051 | NED | 1.00 | 1 | 0.68 | 25 | 17.00 | |
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) | | | NOTE: K factor changed | | University of Twente Open Dutch Youth Chess Championship 2009 | Enschede | NED | 2009-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1919 | 2.00 | 5 | -0.08 | 15 | -1.20 | |
| | Kabos, Tobias | | | 2122 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Van Akkeren, Arno | | | 1726 | GER | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Tempelman, Kristianne | | | 1928 | NED | 1.00 | 1 | 0.51 | 15 | 7.65 | | | De Ruiter, Danny | | | 2003 | NED | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Van Opheusden, Bas | | | 2142 | NED | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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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