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Individual Calculations March 2019 |
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| Gretarsson, Hjorvar Steinn Total change: 15.60 | |   |
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| Reykjavik Chess Congress 2019 | Reykjavik | ISL | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2560 | 8.00 | 9 | 0.17 | 10 | 1.70 | |
|  Gardarsson, Hordur | | | 2160 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ragnarsson, Johann | | | 2160 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bergsson, Stefan | | | 2172 | ISL | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Kristinsson, Ogmundur | | | 2160 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ptacnikova, Lenka | | wg | 2187 | ISL | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Stefansson, Vignir Vatnar | f | | 2248 | ISL | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Bjornsson, Sigurbjorn | f | | 2296 | ISL | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Kjartansson, Gudmundur | m | | 2424 | ISL | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Olafsson, Thorvardur | | | 2199 | ISL | 1.00 | 1 | 0.10 | 10 | 1.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Skakhatid MotX 2019 - a-flokkur | Kopavogur | ISL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2336 | 2560 | 6.00 | 6 | 1.39 | 10 | 13.90 | |
| | Stefansson, Vignir Vatnar | f | | 2248 | ISL | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Einarsson, Halldor Gretar | f | | 2272 | ISL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Arnason, Jon L | g | | 2432 | ISL | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Thorhallsson, Throstur | g | | 2425 | ISL | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Kristinsson, Baldur | | | 2217 | ISL | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Kjartansson, Gudmundur | m | | 2424 | ISL | 1.00 | 1 | 0.32 | 10 | 3.20 | |
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) | | |
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