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Individual Calculations April 2019 |
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| Davidsson, Oskar Vikingur Total change: -9.20 | |   |
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| Icelandic Team Chess Championship 2018-19 1st division Rounds 6-9 | Reykjavik | ISL | 2019-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1941 | 0.50 | 2 | -0.18 | 40 | -7.20 | |
|  Ingvason, Johann | | | 2175 | ISL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Mai, Alexander Oliver | | | 1963 | ISL | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | Icelandic Team Chess Championship 2018-19 3rd division Rounds 5-7 | Reykjavik | ISL | 2019-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1881 | 1.00 | 2 | -0.05 | 40 | -2.00 | |
| | Moller, Agnar T | | | 1938 | ISL | 0.50 | 1 | 0.08 | 40 | 3.20 | |  Ingason, Sigurdur | | | 1784 | ISL | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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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