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Rapid:
Individual Calculations December 2021 |
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| Gudmundsson, Gunnar Erik Total change: 19.60 | |   |
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| Icelandic Youth Championship 2021 (u12-u16) | Akureyri | ISL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1202 | 1516 | 4.00 | 6 | -1.08 | 20 | -21.60 | |
|  Sveinbjornsson, Gudmundur Orri | | | 1042 | ISL | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Johannsson, Markus Orri | | | 1218 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Skarphedinsson, Ingvar Wu | | | 1411 | ISL | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Kjartansson, Arnar Logi | | | 1154 | ISL | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Moller, Tomas | | | 1188 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Hreinsson, Johann Helgi | | | 1197 | 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) | | | | Hasselbacken Chess Open 2021 snabb | Stockholm | SWE | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1516 | 2.50 | 4 | 1.84 | 20 | 36.80 | |
| | Kucuksari, Kaan | f | | 2251 | SWE | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Platkovs, Daniils | | | 1446 | SWE | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Muganlinskij, Hussein | | | 2057 | SWE | 0.50 | 1 | 0.47 | 20 | 9.40 | | | Ask, Josef | f | | 2128 | SWE | 1.00 | 1 | 0.98 | 20 | 19.60 | |
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) | | | | Unglingameistaramot TR 2021 - opinn flokkur | Reykjavik | ISL | 2021-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1516 | 4.50 | 6 | 0.22 | 20 | 4.40 | |
| | Thorsteinsson, Thorsteinn Jakob F | | | 1212 | ISL | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Kjartansson, Matthias Bjorgvin | | | 1429 | ISL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Thorisson, Benedikt | | | 1444 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Johannsson, Markus Orri | | | 1218 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Omarsson, Adam | | | 1326 | ISL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Skarphedinsson, Ingvar Wu | | | 1443 | ISL | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | |
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