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Individual Calculations June 2018 |
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| Davidsson, Oskar Vikingur Total change: -41.60 | |   |
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| Landsmotid i skolaskak 2018 - eldri flokkur - round 5-7 | Reykjavik | ISL | 2018-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1962 | 1.50 | 2 | -0.34 | 40 | -13.60 | |
|  Signyjarson, Arnar Smari | | | 1562 * | ISL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Thorsteinsson, Almar Mani | | | 1562 * | ISL | 1.00 | 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) | | | | Meistaramot Skakskola Islands 2018 - A-section | Reykjavik | ISL | 2018-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1962 | 1.00 | 3 | -0.70 | 40 | -28.00 | |
|  Heidarsson, Arnar | | | 1595 | ISL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Birkisson, Bjorn Holm | | | 2073 | ISL | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Mai, Aron Thor | | | 1999 | ISL | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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