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Individual Calculations February 2023 |
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| Mertens, Richard Total change: 26.00 | |   |
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| Internationales Winter Open 2022 | Berlin | GER | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1813 | 1728 | 1.50 | 4 | -0.05 | 40 | -2.00 | |
|  Maltezeanu, Stefan | | | 2114 | LUX | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Namestnikov, Boris | | | 1886 | GER | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Lehmann, Christoph | | | 1922 | GER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Strassburg, Moritz | | | 1328 * | GER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | Deutsche Schach-Amateurmeisterschaft 2022-2023 Q2 C | Potsdam | GER | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1728 | 2.50 | 5 | 0.70 | 40 | 28.00 | |
| | Boettcher, Frank, Dr. | | | 1815 | GER | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Kaiser, Michael | | | 1847 | GER | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Bielick, Jakob | | | 1833 | GER | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Seitz, Manuel | | | 1783 | GER | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Kottke, Steffen | | | 1881 | GER | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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