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Individual Calculations April 2019 |
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| Jonsson, Olafur Gisli Total change: -13.40 | |   |
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| Skakmot odlinga 2019 | Reykjavik | ISL | 2019-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 1806 | 2.50 | 5 | -0.20 | 20 | -4.00 | |
|  Thorsson, Pall | | | 1706 | ISL | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Ragnarsson, Johann | | | 1984 | ISL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Bjarnason, Olafur | | | 1827 | ISL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Sigurvaldason, Hjalmar | | | 1528 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ingvarsson, Kjartan | | | 1812 | ISL | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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 2018-19 1st division Rounds 6-9 | Reykjavik | ISL | 2019-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 1806 | 0.00 | 4 | -0.47 | 20 | -9.40 | |
| | Kristinsson, Baldur | | | 2206 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mai, Aron Thor | | | 2015 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Arnason, Jon L | g | | 2206 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Birkisson, Bardur Orn | c | | 2206 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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