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Individual Calculations July 2023 |
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| Welzel, Philipp Total change: 36.80 | |   |
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| NRW-Klasse 2 2022-2023 May 2023 | various | GER | 2023-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2160 | 2.00 | 2 | 0.81 | 20 | 16.20 | |
|  Baumann, Stephan | | | 2056 | GER | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Sirringhaus, Wilfried | | | 2127 | GER | 1.00 | 1 | 0.45 | 20 | 9.00 | |
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) | | | | 10. Krefelder Pfingst-Open 2023 | Krefeld | GER | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2160 | 6.00 | 7 | 1.03 | 20 | 20.60 | |
| | Feldhammer, Oskar | | | 1760 * | GER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kuhn, Andreas | | | 1837 | GER | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Grosser, Walter | | | 1974 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Reuter, Julian-Frank | | | 2022 | GER | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Marcziter, Dmitrii | f | | 2234 | GER | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Fichtner, Ewald | | | 2044 | GER | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Van Amerongen, Arjen | | | 2021 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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) | | |
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