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Rapid:
Individual Calculations December 2017 |
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| Sigurjonsson, Johann O Total change: 1.40 | |   |
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| Islandsmot eldri skakmanna 65 plus 2017 | Reykjavik | ISL | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2068 | 5.00 | 8 | 0.07 | 20 | 1.40 | |
|  Einarsson, Einar S | | | 1668 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Georgsson, Harvey | | | 2114 | ISL | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Valtysson, Thor | | | 1966 | ISL | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Fridjonsson, Julius | | | 2102 | ISL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Viglundsson, Bjorgvin | | | 2193 | ISL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kristjansson, Sigurdur | | | 1840 | ISL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Gunnarsson, Gunnar K | | | 2109 | ISL | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Petursson, Magnus V. | | | 1668 * | ISL | 1.00 | 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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