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Individual Calculations December 2018 |
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| Helgadottir, Idunn Total change: 51.20 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1195 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Hallsson, Jon Eggert | | | 1595 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Briem, Hedinn | | | 1595 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Icelandic Team Chess Championship 2018-19 4th Division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1440 | 1150 | 2.00 | 3 | 1.44 | 40 | 57.60 | |
|  Hakonardottir, Ylfa Yr Welding | | | 1223 | ISL | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Jonsson, Thormar | | | 1546 | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Einarsson, Einar S | | | 1550 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | |
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