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Individual Calculations January 2009 |
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| Keessen, Aldert-Jan Total change: -10.35 | |   |
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| 2C - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2195 | 1.00 | 3 | -0.69 | 15 | -10.35 | |
|  Piket, Joop | | | 2186 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Brasser, Paul | c | | 2145 | NED | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Vlam, Horatio | | | 2117 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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