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Rapid:
Individual Calculations December 2021 |
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| Johannsson, Birkir Isak Total change: 91.80 | |   |
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| Hasselbacken Chess Open 2021 snabb | Stockholm | SWE | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1501 | 3.00 | 4 | 1.61 | 20 | 32.20 | |
|  Johansson, Christer 1973 | | | 1697 | SWE | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Heidarsson, Mikael Bjarki | | | 1429 | ISL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Gerdes, Sebastian | | | 1478 | SWE | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Akesson, Ralf | g | | 2236 | SWE | 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) | | | | Atskakkeppni Taflfelaga 2021 | Reykjavik | ISL | 2021-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1501 | 5.50 | 8 | 2.98 | 20 | 59.60 | |
| | Johannsson, Markus Orri | | | 1218 | ISL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Thorsteinsson, Aron Ellert | | | 1736 | ISL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Hauksdottir, Hrund | | | 1708 | ISL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Halldorsson, Bragi | | | 2002 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Haraldsson, Haraldur | | | 1922 | ISL | 0.50 | 1 | 0.43 | 20 | 8.60 | | | Birkisson, Bjorn Holm | | | 1929 | ISL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Hafdisarson, Ingi Thor | | | 1271 | ISL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Rezaei Heris, Hadi | | | 1673 | IRI | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | |
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