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Individual Calculations December 2018 |
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| Bjorgvinsson, Andri Freyr Total change: -9.00 | |   |
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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 |
| 2042 | 2069 | 0.00 | 1 | -0.54 | 20 | -10.80 | |
|  Petursson, Gudni | | | 2042 | ISL | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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) | | | | Icelandic Team Chess Championship 2018-19 2nd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2069 | 2.50 | 4 | 0.09 | 20 | 1.80 | |
| | Palsson, Halldor | | | 2026 | ISL | 0.50 | 1 | -0.06 | 20 | -1.20 | |  Johannsson, Birkir Isak | | | 1949 | ISL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Magnusson, Patrekur Maron | | | 2059 | ISL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Traustason, Ingi Tandri | | | 1932 | ISL | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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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