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Individual Calculations April 2023 |
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| Vortmeier, Jan Total change: 14.40 | |   |
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| NRW-Klasse 2 2022-2023 March 2023 | various | GER | 2023-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1688 | 0.50 | 1 | 0.25 | 40 | 10.00 | |
|  Arndt, Olaf | | | 1885 | GER | 0.50 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | Deutsche Schach-Amateurmeisterschaft 2022-2023 Q6 B | Duesseldorf | GER | 2023-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1688 | 1.00 | 4 | 0.11 | 40 | 4.40 | |
| | Meyer-Kahlen, Stefan | | | 1901 | GER | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Schaefer, Marlon | | | 1909 | GER | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Kliashtornyi, Arkadii | | | 1849 | UKR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Tornay Gomez, Josu | | | 1983 | ESP | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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