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Individual Calculations December 2019 |
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| Johannsdottir, Johanna Bjorg Total change: 38.80 | |   |
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| U-2000 mot TR 2019 | Reykjavik | ISL | 2019-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1894 | 4.00 | 5 | 0.12 | 20 | 2.40 | |
|  Sigurvaldason, Hjalmar | | | 1494 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Thorarensen, Adalsteinn | | | 1686 | ISL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Valtysson, Thor | | | 1857 | ISL | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Davidsson, Joshua | | | 1531 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Jonsson, Sveinbjorn | | | 1706 | ISL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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) | | | | SGB 2019 rounds 4-7 | Gardabaer | ISL | 2019-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1894 | 3.00 | 4 | 1.82 | 20 | 36.40 | |
| | Sigurdsson, Pall | | | 1960 | ISL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Petursson, Gudni | | | 2066 | ISL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Jonsson, Gauti Pall | | | 2024 | ISL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Mai, Aron Thor | | | 2153 | ISL | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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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