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Individual Calculations July 2008 |
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| Hummel, Joop Total change: -20.55 | |   |
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| NOSBO kampioenschap 2008 | Groningen | NED | 2008-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 1989 | 0.00 | 2 | -0.44 | 15 | -6.60 | |
|  Clemens, Adrian | f | | 2326 | NED | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Wielenga, Wiebe | | | 2125 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | 13e Open Groninger Kampioenschap | Groningen | NED | 2008-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2018 | 0.00 | 3 | -0.93 | 15 | -13.95 | |
|  Akotchik, Viktor | | | 2121 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Pel, Bonno | f | | 2288 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Wielenga, Wiebe | | | 2092 | NED | 0.00 | 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) | | |
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