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Blitz:
Individual Calculations December 2021 |
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| Grettisson, Arnar Breki Total change: -39.60 | |   |
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| Firmakeppni SSON 2021 | Selfoss | ISL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1477 | 0.00 | 4 | -0.62 | 20 | -12.40 | |
|  Ornolfsson, Magnus P. | | | 2174 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Sigurmundsson, Ulfhedinn | | | 1877 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Magnusson, Thorsteinn | | | 1573 | ISL | 0.00 | 1 | -0.37 | 20 | -7.40 | |  Thorsteinsson, Aron Ellert | | | 1762 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Blitz Championship 2021 | Gardabaer | ISL | 2021-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1491 | 1.00 | 6 | -1.36 | 20 | -27.20 | |
| | Kristinsson, Ogmundur | | | 1990 | ISL | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Gudnyjarson, Sigurdur Pall | | | 1249 | ISL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Thorisson, Benedikt | | | 1657 | ISL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Thorsson, Bjarnsteinn | | | 1691 | ISL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Magnusson, Jon | | | 1810 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Hreinsson, Johann Helgi | | | 1164 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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