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Individual Calculations September 2023 |
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| Nottebaum, Berthold Willi Total change: 20.40 | |   |
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| Elberfelder Schach-Sommer 2023 | Wuppertal | GER | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1747 | 1.00 | 2 | 0.51 | 40 | 20.40 | |
|  Post, Ralf | | | 1860 | GER | 1.00 | 1 | 0.65 | 40 | 26.00 | |  Diduh, Ihor | | | 2053 | UKR | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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