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Individual Calculations July 2009 |
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| Van Der Weide, Piet Total change: -17.55 | |   |
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| 1B - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2221 | 1.00 | 4 | -1.17 | 15 | -17.55 | |
|  Koster, Wim | | | 2174 | NED | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Maenhout, Thibaut | f | | 2277 | BEL | 0.00 | 1 | -0.42 | 15 | -6.30 | |  Lommers, Frank | | | 2171 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Clijsen, Mark | | | 2138 | 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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