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Individual Calculations January 2020 |
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| Gardarsson, Hordur Total change: 17.80 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1586 | 2.00 | 6 | 0.89 | 20 | 17.80 | |
|  Kjartansson, David | m | | 1986 * | ISL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Kjartansson, Gudmundur | m | | 1986 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Unnarsson, Sverrir | | | 1913 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Sigurmundsson, Ulfhedinn | | | 1876 | ISL | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Gudmundsson, Thordur | | | 1531 | ISL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Petursson, Gudni | | | 1986 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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