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Individual Calculations April 2019 |
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| Valsson, Arnar Total change: 11.20 | |   |
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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 |
| 1568 | 1267 | 0.50 | 2 | 0.20 | 40 | 8.00 | |
|  Magnusson, Thorsteinn | | | 1527 | ISL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Hermannsson, Olafur | | | 1608 | ISL | 0.50 | 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 |
| 1299 | 1267 | 1.00 | 2 | 0.08 | 40 | 3.20 | |
| | Omarsson, Adam | | | 1146 | ISL | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Thorisson, Benedikt | | | 1451 | ISL | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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