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Individual Calculations September 2021 |
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| Petursson, Gudni Total change: 27.80 | |   |
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| Islandsmotid i skak - askorendaflokkur 2021 | Reykjavik | ISL | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1988 | 5.00 | 8 | 1.39 | 20 | 27.80 | |
|  Halldorsson, Jon Arni | | | 2115 | ISL | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Baldursson, Hrannar | | | 2148 | ISL | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Thorhallsson, Simon | | | 2199 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Hardarson, Petur Palmi | | | 2084 | ISL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mai, Alexander Oliver | | | 2090 | ISL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Baldursson, Benedikt | | | 1714 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Heidarsson, Mikael Bjarki | | | 1588 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bergsson, Stefan | | | 2158 | ISL | 1.00 | 1 | 0.72 | 20 | 14.40 | | | * 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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