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Individual Calculations October 2021 |
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| Gretarsson, Helgi Ass Total change: 14.90 | |   |
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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 |
| 2432 | 2447 | 7.00 | 11 | 1.49 | 10 | 14.90 | |
|  Saemundarson, Saethor Ingi | | | 2047 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Sivuk, Vitaly | g | | 2589 | UKR | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Birkisson, Bardur Orn | c | | 2163 | ISL | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Bartel, Mateusz | g | | 2611 | POL | 0.50 | 1 | 0.22 | 10 | 2.20 | | | Thybo, Jesper Sondergaard | g | | 2587 | DEN | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Thorhallsson, Simon | | | 2199 | ISL | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Gombocz, Ferenc Jr. | f | | 2191 | HUN | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Bosiocic, Marin | g | | 2610 | CRO | 1.00 | 1 | 0.72 | 10 | 7.20 | | | Gajewski, Grzegorz | g | | 2617 | POL | 1.00 | 1 | 0.72 | 10 | 7.20 | | | Antipov, Mikhail Al. | g | | 2607 | RUS | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Plat, Vojtech | g | | 2531 | CZE | 1.00 | 1 | 0.62 | 10 | 6.20 | | | * 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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