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Individual Calculations February 2023 |
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| Serrer, David Total change: 25.40 | |   |
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| HSK-Weihnachtsopen 2022 | Hamburg | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1745 | 2.50 | 5 | 0.61 | 40 | 24.40 | |
|  Zieher, Hartmut | f | | 2120 | GER | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Dusper, Zdravko | | | 1463 | GER | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Fasahat, Mohammad Hossein | | | 1555 | GER | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Schroeder, Christoph | | | 2114 | GER | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Klaus, Christian | | | 2095 | GER | 0.50 | 1 | 0.39 | 40 | 15.60 | |
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) | | | NOTE: K factor changed | | 3. Berlin Mitte - Neujahrs-Open | Berlin | GER | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1745 | 1.50 | 6 | -0.08 | 20 | -1.60 | |
| | Colpe, Malte | m | | 2355 | GER | 0.50 | 1 | 0.48 | 20 | 9.60 | | | Lu, Yunong Elias | | | 1767 | GER | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Richter, Leonard | | | 2250 | GER | 0.50 | 1 | 0.46 | 20 | 9.20 | | | Heinke, Jasper | | | 2037 | GER | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Suendorf, Dominik | | | 1842 | GER | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Kuban, Andreas | | | 1727 | GER | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | NOTE: K factor changed | | Landesliga Hamburg 2022-2023 January 2023 | various | GER | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 1745 | 0.50 | 1 | 0.13 | 20 | 2.60 | |
| | Wartenberg, Alissa | | | 1840 | GER | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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