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Individual Calculations March 2020 |
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| Helgadottir, Idunn Total change: 96.00 | |   |
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| Skakthing Reykjavikur 2020 | Reykjavik | ISL | 2020-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1233 | 2.00 | 7 | 0.58 | 40 | 23.20 | |
|  Halldorsson, Bragi | | | 1633 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ulfljotsson, Jon | | | 1633 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jonsson, Kristjan Dagur | | | 1591 | ISL | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Thorisson, Benedikt | | | 1598 | ISL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Jonasson, Hordur | | | 1551 | ISL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kristbergsson, Bjorgvin | | | 1045 | ISL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Bjarnason, Larus H | | | 1489 | ISL | 0.50 | 1 | 0.31 | 40 | 12.40 | | | * 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 2020 - b-flokkur | Kopavogur | ISL | 2020-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1487 | 1233 | 2.00 | 5 | 0.87 | 40 | 34.80 | |
| | Jonatansson, Sigurdur Freyr | | | 1633 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Hallsson, Jon Eggert | | | 1633 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Haile, Batel Goitom | | | 1559 | ISL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sveinbjornsson, Gudmundur Orri | | | 1122 | ISL | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Karlsson, Isak Orri | | | 1488 | ISL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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) | | | | Bikarsyrpa TR 2019-2020: Mot 4 | Reykjavik | ISL | 2020-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1284 | 1291 | 2.50 | 3 | 0.95 | 40 | 38.00 | |
| | Johannsson, Markus Orri | | | 1119 | ISL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Briem, Gudrun Fanney | | | 1209 | ISL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Sigfusson, Ottar Orn Bergmann | | | 1525 | ISL | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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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