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Rapid:
Individual Calculations April 2021 |
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| Jonsson, Kristjan Dagur Total change: 44.60 | |   |
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| Brim mot TR 26.-28. feb 2021 - Round 1-4 | Reykjavik | ISL | 2021-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1365 | 1.00 | 3 | 0.73 | 20 | 14.60 | |
|  Thorhallsson, Simon | | | 2057 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Fivelstad, Jon Olav | | | 1815 | NOR | 1.00 | 1 | 0.94 | 20 | 18.80 | |  Mai, Alexander Oliver | | | 1601 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | Skakthing Kopavogs 2021 - Umf 1-4 | Kopavogur | ISL | 2021-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1377 | 2.00 | 4 | -0.13 | 20 | -2.60 | |
| | Brynjarsson, Orvar Holm | | | 997 | ISL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Ptacnikova, Lenka | | wg | 2112 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Sveinbjornsson, Gudmundur Orri | | | 1061 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Johannsson, Birkir Isak | | | 1495 | ISL | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | TR Rapid March 2021 #2 | Reykjavik | ISL | 2021-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1377 | 1.00 | 2 | 0.49 | 20 | 9.80 | |
| | Hauksson, Helgi | | | 1563 | ISL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Sigurdsson, Elvar Mar | | | 1568 | ISL | 1.00 | 1 | 0.75 | 20 | 15.00 | |
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) | | | | TR Rapid March 2021 #4 | Reykjavik | ISL | 2021-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1377 | 2.00 | 4 | 1.14 | 20 | 22.80 | |
| | Thorarensen, Adalsteinn | | | 1610 | ISL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Hauksson, Helgi | | | 1563 | ISL | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Sigurdsson, Arnljotur | | | 1810 | ISL | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Jonasson, Hordur | | | 1505 | ISL | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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