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Individual Calculations July 2009 |
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| Verduyckt, Johan Total change: -22.25 | |   |
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| Belgian National Team Championship 2008-2009 | Various | BEL | 2008-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1979 | 0.50 | 2 | -0.58 | 25 | -14.50 | |
|  Hajenius, Willem | | | 2045 | BEL | 0.00 | 1 | -0.41 | 25 | -10.25 | |  Heylen, Joris | | | 1854 | BEL | 0.50 | 1 | -0.17 | 25 | -4.25 | |
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) | | | | Zilveren Toren 2009 | Various | BEL | 2009-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1979 | 1.50 | 3 | -0.31 | 25 | -7.75 | |
| | Goncalves, Jorge | | | 2125 | POR | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Foulon, Greta | | | 1892 | BEL | 0.50 | 1 | -0.12 | 25 | -3.00 | | | Gorts, Sven | | | 1629 | BEL | 0.50 | 1 | -0.39 | 25 | -9.75 | |
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) | | |
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