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Individual Calculations April 2023 |
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| Fridthjofsdottir, Sigurl. Regina Total change: -7.80 | |   |
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| Skakmot odlinga 2023 Round 3-7 | Reykjavik | ISL | 2023-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1666 | 1.50 | 4 | -0.61 | 20 | -12.20 | |
|  Pettersson, Michael | | | 1393 | ISL | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Fridthjofsson, Sigurjon Thor | | | 1796 | ISL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Sigurthorsson, Kristinn J | | | 1808 | ISL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Jensson, Erlingur | | | 1557 | 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) | | | | Icelandic Team Championship 2022-23 - 2nd div. Round 5-7 | Reykjavik | ISL | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1666 | 1.00 | 3 | 0.22 | 20 | 4.40 | |
| | Acevedo Mendez, Lisseth | | wm | 1816 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Fridthjofsson, Sigurjon Thor | | | 1796 | ISL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Gestsson, Sverrir | | | 1951 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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) | | |
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