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Individual Calculations March 2019 |
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| Ptacnikova, Lenka Total change: 4.00 | |   |
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| Reykjavik Chess Congress 2019 | Reykjavik | ISL | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2187 | 5.50 | 9 | -0.17 | 20 | -3.40 | |
|  Haile, Batel Goitom | | | 1787 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Valtysson, Thor | | | 1901 | ISL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Birkisson, Bjorn Holm | | | 2078 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Bjornsson, Sigurbjorn | f | | 2296 | ISL | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Gretarsson, Hjorvar Steinn | g | | 2560 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Haraldsson, Sigurjon | | | 1824 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Baldursson, Haraldur | | | 1944 | ISL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Olafsson, Thorvardur | | | 2199 | ISL | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Viglundsson, Bjorgvin | | | 2092 | ISL | 0.00 | 1 | -0.63 | 20 | -12.60 | | | * 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 |
| 2357 | 2187 | 1.50 | 4 | 0.37 | 20 | 7.40 | |
| | Thorfinnsson, Bragi | g | | 2438 | ISL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Sigfusson, Sigurdur | f | | 2241 | ISL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Thorsteins, Karl | m | | 2421 | ISL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Ragnarsson, Dagur | f | | 2327 | ISL | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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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