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Individual Calculations May 2019 |
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| Jonsson, Kristjan Dagur Total change: 16.00 | |   |
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| GAMMA Reykjavik Open 2019 | Reykjavik | ISL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1487 | 2.50 | 7 | 0.11 | 40 | 4.40 | |
|  Lochte, Szilvia | | | 1858 | HUN | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Kuehnemund, Lutz, Dr. | | | 1887 * | GER | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Steinthorsson, Birgir Logi | | | 1137 * | ISL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Halldorsson, Hjorleifur | | | 1773 | ISL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Rice, Chris B | | | 1887 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jonsson, Olafur Gisli | | | 1773 | ISL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Chugunov, Arkadiy | | | 1087 * | CZE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | Bikarsyrpa TR 2018-19: Mot 5 | Reykjavik | ISL | 2019-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1284 | 1487 | 4.00 | 5 | 0.29 | 40 | 11.60 | |
| | Thorisson, Bjartur | | | 1126 | ISL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Valsson, Arnar | | | 1278 | ISL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Sharifa, Rayan | | | 1169 | ISL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Thorisson, Benedikt | | | 1411 | ISL | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Sigfusson, Ottar Orn Bergmann | | | 1434 | ISL | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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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