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Individual Calculations January 2020 |
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| Kjartansson, David Total change: -14.30 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2385 | 4.00 | 7 | -1.43 | 10 | -14.30 | |
|  Gardarsson, Hordur | | | 1985 * | ISL | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Saemundarson, Saethor Ingi | | | 1985 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Stefansson, Vignir Vatnar | f | | 2338 | ISL | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Hardarson, Petur Palmi | | | 1993 | ISL | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Palmarsson, Erlingur Atli | | | 1985 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Unnarsson, Sverrir | | | 1985 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gretarsson, Hjorvar Steinn | g | | 2568 | ISL | 0.00 | 1 | -0.26 | 10 | -2.60 | | | * 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) | | |
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