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Individual Calculations March 2023 |
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| Bjornsson, Yngvi Total change: -14.80 | |   |
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| Skakthing Reykjavikur 2023 | Reykjavik | ISL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1780 | 3.50 | 7 | -0.65 | 40 | -26.00 | |
|  Sigurjonsson, Ketill | | | 1159 | ISL | 1.00 | 1 | 0.01 | 40 | 0.40 | |  Kjartansson, David | m | | 2293 | ISL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Birkisson, Bjorn Holm | | | 2135 | ISL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Hermannsson, Sigurbjorn | | | 1380 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Danielsson, Grimur | | | 1598 | ISL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Omarsson, Adam | | | 1693 | ISL | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Omarsson, Josef | | | 1602 | ISL | 0.50 | 1 | -0.23 | 40 | -9.20 | | | * 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) | | | NOTE: K factor changed | | Skakmot odlinga 2023 Round 1-2 | Reykjavik | ISL | 2023-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1780 | 2.00 | 2 | 0.56 | 20 | 11.20 | |
| | Karlsson, Sighvatur | | | 1380 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Eliasson, Kristjan Orn | | | 1765 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | * 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) | | |
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