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Individual Calculations November 2019 |
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| Roser, Ludwig Total change: -6.20 | |   |
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| XVI Open Internacional Amateur de Calvia | Palmanova - Calvia | ESP | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1833 | 1.00 | 3 | -0.66 | 20 | -13.20 | |
|  Visser, Henk-Jan | | | 2184 | NED | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Cassidy, Sydney | | | 1582 | IRL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Krithigga, K | | | 1652 | IND | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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 2019-2020 Q1 C | Dresden | GER | 2019-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1833 | 1.00 | 2 | 0.35 | 20 | 7.00 | |
| | Lotz, Ralf | | | 1902 | GER | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Czech, Ludwig | | | 2024 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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