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Rapid:
Individual Calculations December 2021 |
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| Heidarsson, Mikael Bjarki Total change: 116.20 | |   |
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| Icelandic Youth Championship 2021 (u12-u16) | Akureyri | ISL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1429 | 5.00 | 6 | 1.17 | 20 | 23.40 | |
|  Briem, Gudrun Fanney | | | 1175 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Karason, Jokull Mani | | | 1312 | ISL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Omarsson, Adam | | | 1327 | ISL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Helgadottir, Idunn | | | 1287 | ISL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Skarphedinsson, Ingvar Wu | | | 1411 | ISL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Kjartansson, Matthias Bjorgvin | | | 1429 | ISL | 1.00 | 1 | 0.50 | 20 | 10.00 | |
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) | | | | Hasselbacken Chess Open 2021 snabb | Stockholm | SWE | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1429 | 2.00 | 4 | 1.51 | 20 | 30.20 | |
| | Karlsson, Patrik | | | 1882 | SWE | 1.00 | 1 | 0.94 | 20 | 18.80 | | | Johannsson, Birkir Isak | | | 1501 | ISL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Ernst, Thomas | g | | 2164 | SWE | 0.50 | 1 | 0.49 | 20 | 9.80 | | | Karlsson, Jorgen | | | 2020 | SWE | 0.00 | 1 | -0.02 | 20 | -0.40 | |
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) | | | | Atskakkeppni Taflfelaga 2021 | Reykjavik | ISL | 2021-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1429 | 3.50 | 8 | 2.16 | 20 | 43.20 | |
| | Jensson, Einar Hjalti | m | | 2164 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Antonsson, Atli | | | 1821 | ISL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Johannesson, Kristofer Joel | | | 1458 | ISL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Ragnarsson, Dagur | f | | 2139 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Tryggvason, Erlingur | | | 1459 | ISL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Jonatansson, Sigurdur Freyr | | | 1576 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Karlsson, Bjorn-Ivar | f | | 2164 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Gretarsson, Andri A | f | | 2164 | ISL | 0.50 | 1 | 0.49 | 20 | 9.80 | |
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) | | | | Gardabaer Championship 2021 rounds 1-4 | Gardabaer | ISL | 2021-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1429 | 2.00 | 3 | 0.97 | 20 | 19.40 | |
| | Ragnarsson, Johann | | | 2064 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Arnarson, Thordur | | | 1747 | SWE | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Brynjarsson, Orvar Holm | | | 1074 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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