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Blitz:
Individual Calculations December 2021 |
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| Hallmundarson, Birkir Total change: 0.40 | |   |
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| Icelandic Youth Championship 2021 (u8-u10) | Akureyri | ISL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1570 | 2.00 | 3 | -0.62 | 20 | -12.40 | |
|  Omarsson, Josef | | | 1179 | ISL | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Brynjarsson, Orvar Holm | | | 1289 | ISL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gudnyjarson, Sigurdur Pall | | | 1249 | ISL | 0.00 | 1 | -0.87 | 20 | -17.40 | |
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) | | | | Gardabaer Blitz Championship 2021 | Gardabaer | ISL | 2021-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1567 | 3.50 | 8 | 0.64 | 20 | 12.80 | |
| | Vilmundarson, Leifur Ingi | | | 2031 | ISL | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Hreinsson, Johann Helgi | | | 1164 | ISL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Brynjarsson, Orvar Holm | | | 1289 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Magnusson, Jon | | | 1810 | ISL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Moller, Baldur Helgi | | | 1968 | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Thorsson, Bjarnsteinn | | | 1691 | ISL | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Thorisson, Benedikt | | | 1657 | ISL | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Kristinsson, Ogmundur | | | 1990 | ISL | 0.00 | 1 | -0.07 | 20 | -1.40 | |
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) | | |
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