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Individual Calculations January 2009 |
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| Mulder, Bart-Piet Total change: -10.50 | |   |
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| 1A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2219 | 2.50 | 3 | 0.81 | 15 | 12.15 | |
|  Van De Fliert, Willem | | | 2183 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | |  Osterwald, Elwin | | | 2193 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Sminia, Jelmer | | | 2149 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | IJmond Vierkampen Groep B | Wijk aan Zee | NED | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2213 | 2215 | 0.00 | 3 | -1.51 | 15 | -22.65 | |
| | Den Heeten, Djurre | | | 2310 | NED | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Ten Hagen, Yorick | | | 2156 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | | | In`t Veld, Daan | | | 2174 | NED | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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