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Individual Calculations March 2019 |
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| Alexandersson, Orn Total change: 4.80 | |   |
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| Reykjavik Chess Congress 2019 | Reykjavik | ISL | 2019-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1512 | 2.50 | 6 | 0.89 | 40 | 35.60 | |
|  Birkisson, Bjorn Holm | | | 1912 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Baldursson, Haraldur | | | 1912 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Helgadottir, Asthildur | | | 1112 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Eliasson, Kristjan Orn | | | 1791 | ISL | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Petursson, Gudni | | | 1912 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gardarsson, Hordur | | | 1667 | ISL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | * 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 - b-flokkur | Kopavogur | ISL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1512 | 0.50 | 4 | -0.77 | 40 | -30.80 | |
| | Johannsson, Birkir Isak | | | 1910 | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Magnusdottir, Veronika Steinunn | | | 1740 | ISL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Luu, Robert | | | 1687 | ISL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Gunnarsson, Baltasar Mani Wedhol | | | 1355 | ISL | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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