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Rapid:
Individual Calculations April 2021 |
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| Helgadottir, Idunn Total change: -7.40 | |   |
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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 |
| 1633 | 1275 | 1.00 | 4 | 0.15 | 20 | 3.00 | |
|  Ptacnikova, Lenka | | wg | 2010 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Hallmundarson, Birkir | | | 1150 | ISL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Ottesen, Oddgeir | | | 1777 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Heidarsson, Arnar Milutin | | | 1595 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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 |
| 1533 | 1262 | 0.00 | 3 | -0.52 | 20 | -10.40 | |
| | Briem, Benedikt | | | 1523 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Gudmundsson, Gunnar Erik | | | 1485 | ISL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Gasanova, Ulker | | | 1591 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | |
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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