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Individual Calculations January 2020 |
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| Hardarson, Petur Palmi Total change: 34.20 | |   |
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| Selfoss Chess Festival 2019 Open group | Selfoss | ISL | 2019-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 1993 | 4.00 | 7 | 1.71 | 20 | 34.20 | |
|  Gretarsson, Hjorvar Steinn | g | | 2393 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Gudmundsson, Thordur | | | 1593 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jensson, Erlingur | | | 1622 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kjartansson, David | m | | 2385 | ISL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Gunnarsson, Jon Viktor | m | | 2393 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Stefansson, Vignir Vatnar | f | | 2338 | ISL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Gislason, Gudmundur | f | | 2336 | ISL | 1.00 | 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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