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Individual Calculations July 2009 |
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| Poscic, Mark Total change: 19.25 | |   |
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| Luxembourg Team Championship 08/09 | various | LUX | 2008-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1848 | 1.00 | 1 | 0.68 | 25 | 17.00 | |
|  Ramdedovic, Delija | | | 1981 | BIH | 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) | | | | Belgisch Jeugdkampioenschap 2009 -16 | Houffalize | BEL | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1820 | 1.00 | 3 | 0.09 | 25 | 2.25 | |
|  Schaeken, Yordi | | | 2023 | BEL | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Reyniers, Pieter | | | 2029 | BEL | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Ghyselen, Wouter | | | 1863 | BEL | 1.00 | 1 | 0.56 | 25 | 14.00 | |
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) | | |
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