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Individual Calculations January 2020 |
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| Koellner, Christof Total change: 16.20 | |   |
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| NRW-Liga 1 2019/2020 December 2019 | various | GER | 2019-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2304 | 2068 | 0.50 | 1 | 0.30 | 20 | 6.00 | |
|  Grimm, Sascha | f | | 2304 | GER | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | Deutsche Schach-Amateurmeisterschaft 2019-2020 Q2 B | Duesseldorf | GER | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2068 | 3.50 | 5 | 0.51 | 20 | 10.20 | |
| | Siemes, Robert | | | 1979 | GER | 0.00 | 1 | -0.62 | 20 | -12.40 | |  Porn, Juergen | | | 1999 | GER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ebert, Juergen | | | 2011 | GER | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Arndt, Dominik | | | 1973 | GER | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Diehm, Alexander | | | 2024 | GER | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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