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Individual Calculations October 2021 |
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| Helgadottir, Idunn Total change: -16.80 | |   |
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| European Individual Chess Championship - Reykjavik Open 2021 | Reykjavik | ISL | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1243 | 2.00 | 9 | -0.42 | 40 | -16.80 | |
|  Kacharava, Nikolozi | m | | 1643 * | GEO | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Saraci, Korab | | | 1643 * | KOS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gudmundsson, Gunnar Erik | | | 1643 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ragnarsson, Heimir Pall | | | 1619 | ISL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Hallmundarson, Birkir | | | 1095 | ISL | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Johannsson, Markus Orri | | | 1117 | ISL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Briem, Gudrun Fanney | | | 1240 | ISL | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Acevedo Mendez, Lisseth | | wm | 1643 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Omarsson, Adam | | | 1546 | ISL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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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