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Rapid:
Individual Calculations April 2021 |
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| Gudmundsson, Gunnar Erik Total change: 5.80 | |   |
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| Brim mot TR 26.-28. feb 2021 - Round 1-4 | Reykjavik | ISL | 2021-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1463 | 2.00 | 4 | 0.26 | 20 | 5.20 | |
|  Kjartansson, Kormakur Olafur | | | 1021 | ISL | 1.00 | 1 | 0.06 | 20 | 1.20 | |  Kristjansson, Olafur | | | 2091 | ISL | 0.50 | 1 | 0.49 | 20 | 9.80 | | | Haraldsson, Haraldur | | | 1956 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Skarphedinsson, Ingvar Wu | | | 1267 | ISL | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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) | | | | Skakthing Kopavogs 2021 - Umf 1-4 | Kopavogur | ISL | 2021-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1485 | 2.00 | 4 | 0.03 | 20 | 0.60 | |
| | Johannsson, Markus Orri | | | 1203 | ISL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Hreinsson, Hlidar | | | 2220 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Helgadottir, Idunn | | | 1262 | ISL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Mai, Alexander Oliver | | | 1601 | ISL | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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