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Individual Calculations May 2019 |
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| Sigfusson, Ottar Orn Bergmann Total change: 22.80 | |   |
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| GAMMA Reykjavik Open 2019 | Reykjavik | ISL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1434 | 2.00 | 7 | 0.25 | 40 | 10.00 | |
|  Haraldsson, Leif | | | 1834 * | SWE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Berndsen, Soffia Arndis | | | 1034 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Jonsson, Olafur Gisli | | | 1773 | ISL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Huber-Delle, Guenther | | | 1732 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Agustsson, Hafsteinn | | | 1834 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Opasiak, Dustin Tennessee | | | 1768 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Seshadri, Sridhar | | | 1603 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | * 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 |
| 1301 | 1434 | 3.00 | 4 | 0.32 | 40 | 12.80 | |
| | Sharifa, Rayan | | | 1169 | ISL | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Skarphedinsson, Ingvar Wu | | | 1271 | ISL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Jonsson, Kristjan Dagur | | | 1487 | ISL | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Valsson, Arnar | | | 1278 | ISL | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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