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Individual Calculations November 2023 |
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| Helgadottir, Idunn Total change: -61.60 | |   |
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| Nordic School Chess Championship 2023 - u17 | Laugarvatn | ISL | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1693 | 2.00 | 3 | -0.49 | 40 | -19.60 | |
|  Sveinbjornsson, Gudmundur Orri | | | 1293 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Villumsen, Christian Gyldendal | | | 1585 | DEN | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Gronlid, Herman Tonning | | | 1289 | NOR | 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) | | | | Icelandic Team Championship 2023-24 - 2nd div. Round 1-4 | Reykjavik | ISL | 2023-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1717 | 1739 | 0.00 | 2 | -1.05 | 40 | -42.00 | |
| | Berndsen, Ellert | | | 1513 | ISL | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Jonsson, Vidar | | | 1920 | ISL | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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