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Individual Calculations April 2019 |
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| Sigurdsson, Smari Total change: -6.00 | |   |
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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 |
| 2066 | 1847 | 0.00 | 1 | -0.22 | 20 | -4.40 | |
|  Briem, Stefan | | | 2066 | ISL | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | 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 |
| 1791 | 1824 | 1.00 | 2 | -0.08 | 20 | -1.60 | |
| | Sigurdsson, Birkir Karl | | | 1924 | ISL | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Geirsson, Kristjan | | | 1657 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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) | | |
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