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Individual Calculations April 2008 |
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| Wubs, Harm Total change: -4.00 | |   |
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| Harmonie Open B | Groningen | NED | 2007-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1978 | 2.00 | 4 | -0.16 | 25 | -4.00 | |
|  Pouw, Marcel | | | 1911 | NED | 0.00 | 1 | -0.59 | 25 | -14.75 | |  Dijkstra, Arjan | | | 1955 | NED | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Karsdorp, Nico | | | 1909 | NED | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Costello, Colin A | | | 2023 | ENG | 0.00 | 1 | -0.44 | 25 | -11.00 | |
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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