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Individual Calculations July 2009 |
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| Zahn, Richard Total change: -20.50 | |   |
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| 24.Ruhrhalbinsel Open | Essen | GER | 2009-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2120 | 1.50 | 3 | -0.86 | 25 | -21.50 | |
|  Klasmeier, Mario | | | 1811 | GER | 0.50 | 1 | -0.36 | 25 | -9.00 | |  Degner, Friedhelm | | | 1944 | GER | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Mackowiak, Sascha | | | 1913 | GER | 0.00 | 1 | -0.77 | 25 | -19.25 | |
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) | | | | 16.Grossenbaumer Pfingstopen | Duisburg | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2120 | 2.00 | 3 | 0.04 | 25 | 1.00 | |
| | Bakshi, Raj | | | 1868 | GER | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Dobrov, Igor | | | 1810 | GER | 1.00 | 1 | 0.14 | 25 | 3.50 | | | Bock, Juergen | | | 2281 | GER | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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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