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Individual Calculations June 2023 |
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| Jonsdottir, Katrin Maria Total change: 2.40 | |   |
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| Nordic Championship for girls 2023 B | Helsingborg | SWE | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1091 | 1.00 | 5 | -0.23 | 40 | -9.20 | |
|  Nordahl, Christine | | | 1383 | NOR | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Soboleva, Lidiia | | | 1180 | FIN | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Andersson, Elsa | | | 1270 | SWE | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Mamadova, Elina | | | 1293 | SWE | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Nielsen, Emma | | | 1341 | DEN | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | Meistarmot Skakskola Islands 2023 U1500 | Reykjavik | ISL | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1259 | 1184 | 1.50 | 3 | 0.29 | 40 | 11.60 | |
| | Doruson, Einar Helgi | | | 1356 | ISL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Johannsson, Arnar Bjarki | | | 1346 | ISL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Jonsson, Hallur Steinar | | | 1074 | ISL | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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) | | |
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