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Rapid:
Individual Calculations January 2018 |
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| Davidsson, Joshua Total change: -15.20 | |   |
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| Islandsmot unglingasveita 2017 | Gardabaer | ISL | 2017-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1391 | 2.00 | 6 | -0.76 | 20 | -15.20 | |
|  Petersen, Einar Tryggvi | | | 1052 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Karason, Fannar Breki | | | 1377 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Stefansson, Vignir Vatnar | f | | 1791 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Briem, Stephan | | | 1581 | ISL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Davidsson, Oskar Vikingur | | | 1542 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Gudmundsson, Gunnar Erik | | | 1213 | ISL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | * 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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