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Rapid:
Individual Calculations April 2021 |
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| Ptacnikova, Lenka Total change: 2.80 | |   |
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| Brim mot TR 26.-28. feb 2021 - Round 1-4 | Reykjavik | ISL | 2021-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 2196 | 3.00 | 4 | 0.24 | 20 | 4.80 | |
|  Helgadottir, Idunn | | | 1461 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Jonsson, Johann | | | 1730 | ISL | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Stefansson, Vignir Vatnar | f | | 2183 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Kjartansson, David | m | | 2347 | ISL | 0.00 | 1 | -0.30 | 20 | -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) | | | | Skakthing Kopavogs 2021 - Umf 1-4 | Kopavogur | ISL | 2021-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 2196 | 3.00 | 4 | -0.10 | 20 | -2.00 | |
| | Kjartansson, Kristofer Halldor | | | 1461 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Jonsson, Kristjan Dagur | | | 1461 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Ottesen, Oddgeir | | | 1777 | ISL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Thorfinnsson, Bjorn | m | | 2445 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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) | | |
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