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Individual Calculations July 2009 |
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| Van Halderen, Herman Total change: 29.25 | |   |
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| 3E - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2109 | 3.00 | 3 | 1.17 | 25 | 29.25 | |
|  Den Boer, Paul | | | 1894 | NED | 1.00 | 1 | 0.23 | 25 | 5.75 | |  Koelmans, Jan Willem | | | 2027 | NED | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Kommer, Bas | | | 2143 | NED | 1.00 | 1 | 0.55 | 25 | 13.75 | |
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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