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Individual Calculations April 2019 |
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| Skarphedinsson, Ingvar Wu Total change: -49.60 | |   |
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| Icelandic Team Chess Championship 2018-19 4th Division Rounds 5-7 | Reykjavik | ISL | 2019-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1321 | 0.00 | 1 | -0.38 | 40 | -15.20 | |
|  Birkisdottir, Freyja | | | 1412 | ISL | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | Bikarsyrpa TR 2018-2019: Mot 4 | Reykjavik | ISL | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1321 | 1.50 | 4 | -0.86 | 40 | -34.40 | |
| | Brynjarsson, Einar Dagur | | | 1099 | ISL | 0.50 | 1 | -0.28 | 40 | -11.20 | |  Sigfusson, Ottar Orn Bergmann | | | 1308 | ISL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Sharifa, Rayan | | | 1174 | ISL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Jonsson, Kristjan Dagur | | | 1423 | ISL | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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