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Rapid:
Individual Calculations December 2021 |
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| Kjartansson, Matthias Bjorgvin Total change: -14.00 | |   |
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| Icelandic Youth Championship 2021 (u12-u16) | Akureyri | ISL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1429 | 4.00 | 6 | -0.10 | 20 | -2.00 | |
|  Kjartansson, Arnar Logi | | | 1154 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Oskarsson, Markus Orri | | | 1319 | ISL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Moller, Tomas | | | 1188 | ISL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Skarphedinsson, Ingvar Wu | | | 1411 | ISL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Hreinsson, Johann Helgi | | | 1197 | ISL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Heidarsson, Mikael Bjarki | | | 1429 | ISL | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | | | Hasselbacken Chess Open 2021 snabb | Stockholm | SWE | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1429 | 1.00 | 4 | 0.24 | 20 | 4.80 | |
| | Soppela, Toni | | | 1975 | SWE | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Fridman, Arvid | | | 1553 | SWE | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Rosenthal, Emanuel | | | 1602 | SWE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Pettersson, Lars 1954 | | | 1746 | SWE | 1.00 | 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) | | | | Atskakkeppni Taflfelaga 2021 | Reykjavik | ISL | 2021-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1429 | 2.00 | 4 | 0.85 | 20 | 17.00 | |
| | Olafsson, Arni | | | 1297 | ISL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Oskarsson, Julius Orri | | | 1468 | ISL | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Thorhallsson, Simon | | | 2109 | ISL | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Ptacnikova, Lenka | | wg | 2164 | ISL | 0.00 | 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) | | | | Unglingameistaramot TR 2021 - opinn flokkur | Reykjavik | ISL | 2021-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1373 | 1429 | 0.00 | 3 | -1.69 | 20 | -33.80 | |
| | Eythorsson, Engilbert Vidar | | | 1160 | ISL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Gudmundsson, Gunnar Erik | | | 1516 | ISL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Skarphedinsson, Ingvar Wu | | | 1443 | ISL | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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