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Individual Calculations March 2023 |
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| Heidarsson, Mikael Bjarki Total change: -0.40 | |   |
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| Skakthing Reykjavikur 2023 | Reykjavik | ISL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1574 | 3.50 | 7 | 1.23 | 40 | 49.20 | |
|  Stefansson, Vignir Vatnar | m | | 2458 | ISL | 0.00 | 1 | 0.00 | 40 | 0.00 | |  Johannsson, Fannar Smari | | | 1178 | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Eliasson, Kristjan Orn | | | 1765 | ISL | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Hardarson, Petur Palmi | | | 2095 | ISL | 0.50 | 1 | 0.47 | 40 | 18.80 | | | Mai, Alexander Oliver | | | 2119 | ISL | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Haraldsson, Haraldur | | | 1918 | ISL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hermannsson, Sigurbjorn | | | 1174 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | Skakhatid Fulltingis 2023 B flokkur 4-6 | Gardabaer | ISL | 2023-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1574 | 0.50 | 2 | -0.02 | 40 | -0.80 | |
| | Halldorsson, Kristjan | | | 1841 | ISL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Omarsson, Adam | | | 1693 | ISL | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | Nordic Youth Championship 2023 C | Oslo | NOR | 2023-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1590 | 1.50 | 6 | -1.22 | 40 | -48.80 | |
| | Medhus, Vitus Bondo | | | 1976 | DEN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kjartansson, Matthias Bjorgvin | | | 1759 | ISL | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Valcu, Lavinia | | | 1886 | SWE | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Davidsen, Rokur | | | 1232 | FAI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Samuelsen, Brestir | | | 1287 | FAI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Valpas, Jami | | | 1632 | FIN | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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) | | |
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