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Individual Calculations November 2021 |
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| Helgadottir, Idunn Total change: 131.20 | |   |
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| Haustmot TR opinn flokkur 2021 | Reykjavik | ISL | 2021-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1243 | 6.00 | 9 | 5.12 | 40 | 204.80 | |
|  Leifsson, Thorsteinn | | | 1643 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Gardarsson, Halldor | | | 1643 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Rezaei Heris, Hadi | | | 1643 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hauksdottir, Hrund | | | 1643 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Jonsson, Johann | | | 1643 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bjornsson, Yngvi | | | 1643 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Heidarsson, Mikael Bjarki | | | 1522 | ISL | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Stefansson, Helgi Heidar | | | 1527 | ISL | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Ragnarsson, Johann | | | 1643 * | ISL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | Icelandic Team Chess Championship 2021-22 - 4th div. Round 1-4 | Reykjavik | ISL | 2021-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1212 | 1226 | 0.00 | 1 | -0.52 | 40 | -20.80 | |
| | Gudnyjarson, Sigurdur Pall | | | 1212 | ISL | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | European Youth Chess Championship 2021 - Girls 14 | Local venues | GRE | 2021-10-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1407 | 1226 | 0.50 | 6 | -1.32 | 40 | -52.80 | |
| | Tadic, Ana | | | 1626 * | SRB | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lapushnian, Maya | | | 1503 | ISR | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Nordquelle, Amelia | | | 1626 * | NOR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Davitkova, Jovana | | | 1180 | MKD | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Christodoulou, Georgia | | | 1416 | GRE | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Abbaszada, Madina | | | 1093 | AZE | 0.50 | 1 | -0.18 | 40 | -7.20 | | | * 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) | | |
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