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Individual Calculations September 2009 |
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| Steffers, Hendrik Total change: -9.30 | |   |
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| 20th NATO Chess Championship | Hammelburg | GER | 2009-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 1977 | 0.50 | 4 | -0.62 | 15 | -9.30 | |
|  Mueller, Jason | | | 2174 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Rosenkilde, Alexander | | | 2138 | DEN | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Eriksson, Christian | | | 2122 | DEN | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Donati, Roberto | | | 2149 | ITA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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