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Individual Calculations December 2018 |
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| Vignisson, Ingvar Egill Total change: 13.20 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1647 | 3.50 | 7 | 0.17 | 20 | 3.40 | |
|  Sharifa, Rayan | | | 1247 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Baldursson, Haraldur | | | 1984 | ISL | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Fivelstad, Jon Olav | | | 1928 | NOR | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Eliasson, Kristjan Orn | | | 1818 | ISL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Hauksson, Bjorgvin Jonas | | | 1744 | ISL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Fridthofsson, Sigurjon Thor | | | 1599 | ISL | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Sigfusson, Ottar Orn Bergmann | | | 1247 * | ISL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | | | Skakthing Gardabaejar 2018 - umf 5-7 | Gardabaer | ISL | 2018-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1647 | 1.00 | 3 | 0.29 | 20 | 5.80 | |
| | Hermannsson, Olafur | | | 1625 | ISL | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Sigfusson, Sigurdur | f | | 2047 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ragnarsson, Johann | | | 2007 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | * 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) | | | | Icelandic Team Chess Championship 2018-19 3rd division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1647 | 1.50 | 3 | 0.20 | 20 | 4.00 | |
| | Briem, Stefan | | | 2047 * | ISL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Toth, Krisztian | | | 1767 | HUN | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Karlsson, Isak Orri | | | 1308 | ISL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | * 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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