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Individual Calculations June 2023 |
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| Werthmann, Martin-Lorenz, Dr. Total change: 16.80 | |   |
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| 63. Offene Koelner Stadtmeisterschaft | Koeln | GER | 2023-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1496 | 1.50 | 4 | 0.84 | 20 | 16.80 | |
|  Fichtner, Ewald | | | 2044 | GER | 0.00 | 1 | -0.03 | 20 | -0.60 | |  Witte, Volker, Dr. | | | 1759 | GER | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Hartjes, Jenny | | | 1683 | GER | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Pirastu, Mario | | | 1746 | GER | 0.50 | 1 | 0.31 | 20 | 6.20 | |
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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