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Individual Calculations December 2019 |
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| Davidsson, Joshua Total change: -8.00 | |   |
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| U-2000 mot TR 2019 | Reykjavik | ISL | 2019-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1531 | 1.00 | 4 | -0.07 | 40 | -2.80 | |
|  Finnbogadottir, Tinna Kristin | | | 1829 | ISL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Heidarsson, Arnar | | | 1866 | ISL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Johannsdottir, Johanna Bjorg | | | 1894 | ISL | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Njardarson, Arnar Ingi | | | 1381 | ISL | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | Lilla Hasselbacken Chess Open 2019 Lang | Stockholm | SWE | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1535 | 1.00 | 2 | -0.13 | 40 | -5.20 | |
| | Sigfusson, Ottar Orn Bergmann | | | 1456 | ISL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Jonsson, Kristjan Dagur | | | 1522 | ISL | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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