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Individual Calculations December 2018 |
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| Davidsson, Oskar Vikingur Total change: -14.80 | |   |
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| Icelandic Team Chess Championship 2018-19 1st division Round 1-5 | Reykjavik | ISL | 2018-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 1956 | 1.00 | 3 | 0.39 | 40 | 15.60 | |
|  Bjornsson, Tomas | f | | 2142 | ISL | 0.50 | 1 | 0.24 | 40 | 9.60 | |  Kristinsson, Baldur | | | 2214 | ISL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Salama, Omar | | | 2233 | ISL | 0.50 | 1 | 0.33 | 40 | 13.20 | |
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 Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1956 | 0.50 | 2 | -0.76 | 40 | -30.40 | |
| | Jonsson, Pall Leo | | | 2022 | ISL | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Thorarensen, Adalsteinn | | | 1660 | ISL | 0.00 | 1 | -0.85 | 40 | -34.00 | |
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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