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Individual Calculations February 2023 |
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| Krefenstein, Sergej Total change: -10.00 | |   |
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| Internationales Winter Open 2022 | Berlin | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 2111 | 4.50 | 7 | -0.40 | 20 | -8.00 | |
|  Lange, Malina | | | 1711 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Andreadakis, Kai | | | 1905 | GER | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Matitschka, Johannes | | | 1829 | GER | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Nguyen, Phuc Nhat | | | 1952 | GER | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Foerster, Jonas | | | 2299 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Petersen, Henrik | | | 1994 | GER | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Lehmann, Christoph | | | 1922 | GER | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 3. Berlin Mitte - Neujahrs-Open | Berlin | GER | 2023-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2111 | 5.00 | 7 | -0.10 | 20 | -2.00 | |
| | Kuban, Andreas | | | 1727 | GER | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Suendorf, Dominik | | | 1842 | GER | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Dieckow, Erik | | | 1871 | GER | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Berger, Steve | m | | 2425 | GER | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Lu, Yunong Elias | | | 1767 | GER | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lehe, Peter | | | 1767 | GER | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Hammann, Jonas | | | 1995 | GER | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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