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Individual Calculations October 2021 |
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| Kjartansson, Matthias Bjorgvin Total change: 22.00 | |   |
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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 |
| 1772 | 1389 | 1.00 | 5 | 0.55 | 40 | 22.00 | |
|  Birkisson, Bardur Orn | c | | 1789 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Heidarsson, Arnar Milutin | | | 1789 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nielsen, Thomas | | | 1789 * | DEN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jonsson, Kristjan Dagur | | | 1706 | ISL | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Petursson, Gudni | | | 1789 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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