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Individual Calculations March 2010 |
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| Werff Van Der, Frank Total change: 10.25 | |   |
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| Schaakfestival Groningen 2009 Open B | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1839 | 3.50 | 7 | 0.41 | 25 | 10.25 | |
|  Groot De, Ymar | | | 2001 | NED | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Tromp, Pieter | | | 2010 | NED | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Posch, Jan | | | 1858 | NED | 1.00 | 1 | 0.53 | 25 | 13.25 | |  Brandenburg, Lucia | | | 1903 | NED | 0.50 | 1 | 0.09 | 25 | 2.25 | | | Vos, Tjark | | | 1698 | NED | 0.00 | 1 | -0.69 | 25 | -17.25 | | | Reinders, Joan | | | 1875 | NED | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Ocelik, Vaclav | | | 1834 | NED | 1.00 | 1 | 0.49 | 25 | 12.25 | |
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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