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Individual Calculations September 2009 |
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| Bottema, Tom Total change: -25.20 | |   |
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| Intomart GfK Open 2009 | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 2224 | 1.00 | 4 | -1.68 | 15 | -25.20 | |
|  Schroer, Marcel | | | 2140 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Beukema, Stefan | | | 2009 | NED | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Goudriaan, Etienne | | | 2104 | NED | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Goes, Sten | | | 2127 | NED | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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