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Individual Calculations March 2023 |
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| Hallmundarson, Birkir Total change: -51.60 | |   |
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| Skakthing Reykjavikur 2023 | Reykjavik | ISL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1557 | 1462 | 2.50 | 7 | -0.49 | 40 | -19.60 | |
|  Ptacnikova, Lenka | | wg | 2104 | ISL | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Skarphedinsson, Ingvar Wu | | | 1867 | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hermannsson, Sigurbjorn | | | 1132 | ISL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Stefansson, David | | | 1620 | ISL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Briem, Gudrun Fanney | | | 1441 | ISL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Helgason, Olafur Sindri | | | 1570 | ISL | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Thoroddsen, Jon Louie | | | 1165 | ISL | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | Nordic Youth Championship 2023 E | Oslo | NOR | 2023-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1610 | 1551 | 1.00 | 4 | -0.80 | 40 | -32.00 | |
| | Jalving, August | | | 1966 | DEN | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Lilliehook, Victor | | | 1735 | SWE | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Oksanen, Maria | | | 1391 | FIN | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sathish, Githiha | | | 1348 | NOR | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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) | | |
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