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Individual Calculations April 2023 |
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| Sigurdsson, Snorri Thor Total change: -19.20 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1983 | 2.00 | 4 | -1.02 | 20 | -20.40 | |
|  Bjarkason, Brynjar | | | 1609 | ISL | 0.00 | 1 | -0.90 | 20 | -18.00 | |  Kristjansson, Sigurdur | | | 1765 | ISL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bjornsson, Yngvi | | | 1765 | ISL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Valtysson, Thor | | | 1941 | ISL | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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 |
| 2004 | 1983 | 1.00 | 2 | 0.06 | 20 | 1.20 | |
| | Sigurbjornsson, Sigurjon | | | 1923 | ISL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Karason, Askell O | m | | 2084 | ISL | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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