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Individual Calculations April 2023 |
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| Haraldsson, Haraldur Total change: 6.60 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1882 | 3.00 | 5 | 0.31 | 20 | 6.20 | |
|  Tryggvason, Erlingur | | | 1781 | ISL | 0.50 | 1 | -0.14 | 20 | -2.80 | |  Masson, Kjartan | | | 1713 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Bjarkason, Brynjar | | | 1609 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ragnarsson, Johann | | | 1929 | ISL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Kjartansson, David | m | | 2295 | ISL | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Icelandic Team Championship 2022-23 - 1st div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1882 | 1.00 | 3 | 0.02 | 20 | 0.40 | |
| | Sigurdsson, Saeberg | | | 2094 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Halldorsson, Halldor | c | | 2177 | ISL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Ulfsson, Olafur Evert | | | 1812 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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