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Individual Calculations July 2009 |
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| De Herdt, Yasseen Total change: 3.30 | |   |
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| Belgian National Team Championship 2008-2009 | Various | BEL | 2008-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 1946 | 1.50 | 6 | 0.12 | 15 | 1.80 | |
|  Jansen, Ruud | | | 2180 | BEL | 0.50 | 1 | 0.29 | 15 | 4.35 | |  Wislez, Francis | | | 2061 | BEL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Mollekens, Roeland | | | 2042 | BEL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Tan, Matthew | f | | 2296 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Duhayon, Yves | | | 2237 | BEL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Hartung, Jerry | | | 2189 | LUX | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | Belgisch Jeugdkampioenschap 2009 -20/-18 | Houffalize | BEL | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1938 | 2.50 | 6 | 0.10 | 15 | 1.50 | |
| | Goossens, Hanne | | | 1948 | BEL | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Herman, Jean | | | 1988 | BEL | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Viaene, Arvid | | | 2118 | BEL | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Beukema, Stefan | | | 2009 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Van Cappellen, Jonas | | | 1986 | BEL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Deschepper, Jeroen | | | 2020 | BEL | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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