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Individual Calculations December 2018 |
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| Geirsson, Kristjan Total change: 40.80 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1616 | 4.00 | 6 | 1.04 | 20 | 20.80 | |
|  Sigfusson, Ottar Orn Bergmann | | | 1216 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Haraldsson, Haraldur | | | 1958 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Thorisson, Benedikt | | | 1344 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Haile, Batel Goitom | | | 1582 | ISL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Eliasson, Kristjan Orn | | | 1818 | ISL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Haraldsson, Sigurjon | | | 1765 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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 |
| 1719 | 1616 | 2.50 | 4 | 1.00 | 20 | 20.00 | |
| | Valtysson, Thor | | | 1921 | ISL | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Thorsteinsson, Arni Thor | | | 1582 | ISL | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Masson, Kjartan | | | 1704 | ISL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Thorsson, Pall | | | 1669 | ISL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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