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Individual Calculations January 2020 |
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| Gudmundsson, Thordur Total change: 21.60 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1531 | 4.00 | 7 | 1.08 | 20 | 21.60 | |
|  Petursson, Gudni | | | 1931 * | ISL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Hardarson, Petur Palmi | | | 1931 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Thorsteinsson, Thorsteinn Jakob F | | | 1131 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jonsson, Gauti Pall | | | 1931 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Saemundarson, Saethor Ingi | | | 1229 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gardarsson, Hordur | | | 1586 | ISL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Palmarsson, Erlingur Atli | | | 1540 | ISL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | * 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) | | |
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