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Individual Calculations September 2010 |
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| Beerdsen, Thomas Total change: 15.25 | |   |
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| Dutch Open | Dieren | NED | 2010-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 1976 | 3.50 | 9 | 1.24 | 25 | 31.00 | |
|  Goudriaan, Etienne | | | 2223 | NED | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Timmermans, Mark | | | 2169 | NED | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Beijerinck, Nick | | | 2077 | NED | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Bijlsma, Nick | | | 2173 | NED | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Hachijan, Armen | | | 2158 | NED | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Vosselman, Jan | | | 2164 | NED | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Vermeulen, Wesley | | | 2173 | NED | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Vogel, Jaap | f | | 2184 | NED | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Mostertman, Milan | | | 2207 | NED | 0.00 | 1 | -0.21 | 25 | -5.25 | |
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) | | | NOTE: K factor changed | | University of Twente Open Dutch Youth Chess Championship 2010 | Enschede | NED | 2010-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1976 | 2.50 | 6 | -1.05 | 15 | -15.75 | |
| | De Jongh, Adriaan | | | 2227 | NED | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Laan, Kart | | | 1814 | NED | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Snijders, Jasper | | | 1695 | NED | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Otten, Martijn | | | 1861 | NED | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Vereggen, Lars | | | 1957 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Nicolai, Amir | | | 1886 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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