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Individual Calculations February 2023 |
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| Zieher, Hartmut Total change: 9.20 | |   |
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| HSK-Weihnachtsopen 2022 | Hamburg | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2120 | 4.00 | 6 | 0.46 | 20 | 9.20 | |
|  Serrer, David | | | 1745 | GER | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Atri, Jamshid | | | 1954 | GER | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Colpe, Malte | m | | 2355 | GER | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Rolf, Marco | | | 2098 | GER | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Keyser, Robin | | | 2117 | GER | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Apitzsch, Leon Fabian | | | 1993 | GER | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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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