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Individual Calculations January 2009 |
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| Groot, Marjoke Total change: -11.00 | |   |
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| 3A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 1939 | 0.00 | 2 | -0.44 | 25 | -11.00 | |
|  Van Gelder, Bart | | | 2160 | NED | 0.00 | 1 | -0.22 | 25 | -5.50 | |  Sadallah, Osama | | | 2162 | NED | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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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