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Individual Calculations January 2020 |
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| Gislason, Gudmundur Total change: -14.00 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2336 | 2.50 | 5 | -0.70 | 20 | -14.00 | |
|  Petursson, Gudni | | | 2045 | ISL | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Sigurmundsson, Ingimundur | | | 1936 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kjartansson, Gudmundur | m | | 2454 | ISL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Gretarsson, Hjorvar Steinn | g | | 2568 | ISL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Hardarson, Petur Palmi | | | 1993 | ISL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | * 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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