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Individual Calculations January 2009 |
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| Rooda, Kai Total change: -10.65 | |   |
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| 2A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2141 | 0.00 | 2 | -0.99 | 15 | -14.85 | |
|  Groenewold, Jan Joris | | | 2091 | NED | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Konijn, Bart | | | 2201 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | | | Essent Open | Hoogeveen | NED | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2262 | 2141 | 3.50 | 9 | 0.28 | 15 | 4.20 | |
|  Pruijssers, Roeland | m | | 2459 | NED | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Naumkin, Igor | g | | 2491 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Van Eijk, Sander | f | | 2366 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Clemens, Adrian | f | | 2261 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Potze, Rudolf | | | 2105 | NED | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Grooten, Herman | m | | 2376 | NED | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Goudriaan, Etienne | | | 2089 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Mellema, Andries | | | 2097 | NED | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Colijn, Stefan | | | 2118 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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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