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Individual Calculations May 2011 |
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| Helbing-Becker, Roger Total change: -7.75 | |   |
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| 10.Deutsches Senioren-Derby | Wesel-Undeloh | GER | 2011-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1777 | 1.00 | 2 | -0.31 | 25 | -7.75 | |
|  Huelle, Gunter | | | 1761 | GER | 0.00 | 1 | -0.52 | 25 | -13.00 | |  Roeckl, Adelbert | | | 1550 | GER | 1.00 | 1 | 0.21 | 25 | 5.25 | |
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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