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Individual Calculations October 2020 |
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| Koppen, Harald Total change: -7.20 | |   |
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| 14. Internationales Ortenburger Schach-Open 2020 Gruppe A | Ortenburg | GER | 2020-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1974 | 2.00 | 4 | -0.36 | 20 | -7.20 | |
|  Grunert, Wilhelm | | | 1682 | GER | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Lohvinov, Petro | | | 2104 | UKR | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Gil, Arthur | | | 1915 | GER | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Schuelke, Tilman | | | 1891 | GER | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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