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Individual Calculations July 2009 |
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| Van Melkebeke, Willem Total change: -31.00 | |   |
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| Belgian National Team Championship 2008-2009 | Various | BEL | 2008-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1908 | 1.50 | 4 | 0.01 | 25 | 0.25 | |
|  Weiler, Marc | | | 2079 | BEL | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Pauwels, Rudi | | | 1881 | BEL | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Houthoofd, Kurt | | | 2016 | BEL | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Christiaens, Mark | | | 2033 | BEL | 1.00 | 1 | 0.67 | 25 | 16.75 | |
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) | | | | Belgisch Jeugdkampioenschap 2009 -20/-18 | Houffalize | BEL | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1908 | 0.50 | 3 | -1.25 | 25 | -31.25 | |
| | Viaene, Arvid | | | 2118 | BEL | 0.00 | 1 | -0.23 | 25 | -5.75 | |  Schroer, Charlotte | | | 1558 | BEL | 0.00 | 1 | -0.89 | 25 | -22.25 | | | Poelman, Geoffrey | | | 1811 | BEL | 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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