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Individual Calculations April 2023 |
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| Ragnarsson, Johann Total change: -2.60 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1929 | 3.50 | 4 | 0.90 | 20 | 18.00 | |
|  Baldursson, Haraldur | | | 1815 | ISL | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Bjornsson, Yngvi | | | 1765 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Haraldsson, Haraldur | | | 1882 | ISL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Jonsson, Pall G | | | 1816 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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 Championship 2022-23 - 1st div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1929 | 0.00 | 1 | -0.48 | 20 | -9.60 | |
| | Valtysson, Thor | | | 1941 | ISL | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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) | | | | Icelandic Team Championship 2022-23 - 2nd div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1929 | 1.00 | 2 | -0.55 | 20 | -11.00 | |
| | Danielsson, Grimur | | | 1570 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Acevedo Mendez, Lisseth | | wm | 1816 | ISL | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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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