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Rapid:
Individual Calculations December 2021 |
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| Stefansson, Vignir Vatnar Total change: 43.80 | |   |
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| Hasselbacken Chess Open 2021 snabb | Stockholm | SWE | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 2235 | 3.50 | 4 | 0.05 | 20 | 1.00 | |
|  Morell, Ludvig | | | 1639 | SWE | 1.00 | 1 | 0.02 | 20 | 0.40 | |  Heidarsson, Arnar Milutin | | | 1610 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Johnson, Daniel | | | 2116 | SWE | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Soppela, Toni | | | 1975 | SWE | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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) | | | | Atskakkeppni Taflfelaga 2021 | Reykjavik | ISL | 2021-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2235 | 8.00 | 8 | 2.13 | 20 | 42.60 | |
| | Johannsson, Orn Leo | | | 2094 | ISL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Ragnarsson, Dagur | f | | 2139 | ISL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Gretarsson, Andri A | f | | 2230 | ISL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Thorhallsson, Simon | | | 2109 | ISL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Ulfarsson, Magnus Orn | f | | 2297 | ISL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Karason, Halldor Ingi | | | 1659 | ISL | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Jonatansson, Sigurdur Freyr | | | 1576 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Thorisson, Benedikt | | | 1500 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | Sudurlandsmotid 2021 | Hveragerdi | ISL | 2021-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1728 | 2235 | 8.00 | 9 | 0.01 | 20 | 0.20 | |
| | Palmarsson, Erlingur Atli | | | 1500 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Matthiasson, Magnus | | | 1735 | ISL | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Arnalds, Stefan | | | 1910 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kjartansson, David | m | | 2388 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sigurmundsson, Ingimundur | | | 1845 | ISL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Gardarsson, Magnus | | | 1612 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Hallmundarson, Birkir | | | 1500 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Grettisson, Arnar Breki | | | 1500 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Gudmundsson, Thordur | | | 1564 | ISL | 1.00 | 1 | 0.01 | 20 | 0.20 | |
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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