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Individual Calculations February 2023 |
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| Groetzbach, Julian Total change: -15.40 | |   |
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| Deutsche Schach-Amateurmeisterschaft 2022-2023 Q2 A | Potsdam | GER | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2257 | 3.00 | 5 | -0.27 | 20 | -5.40 | |
|  Hesse, Henrik | | | 2160 | GER | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Zackrisson, Peter | | | 2180 | GER | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Brunke, Pascal | | | 2120 | GER | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Butscher, Daniel | | | 2135 | GER | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kracht, Raphael | | | 2124 | GER | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | Landesliga Hamburg 2022-2023 January 2023 | various | GER | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2257 | 0.00 | 1 | -0.50 | 20 | -10.00 | |
| | Serrer, Christoph | f | | 2259 | GER | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | |
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