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Individual Calculations March 2015 |
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| Johannsson, Orn Leo Total change: 59.00 | |   |
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| Reykjavik Chess Championship 2015 | Reykjavik | ISL | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2048 | 5.50 | 9 | 1.07 | 20 | 21.40 | |
|  Einarsson, Oskar | | | 1648 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Masson, Kjartan | | | 1800 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Omarsson, Dadi | | | 2256 | ISL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Ragnarsson, Dagur | | | 2059 | ISL | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Kristjansson, Stefan | g | | 2448 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gardarsson, Hordur | | | 1784 | ISL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Kolka, Dawid | | | 1829 | ISL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Gislason, Gudmundur | f | | 2315 | ISL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Arngrimsson, Dagur | m | | 2368 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | * 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) | | | | Huginn Chess Club and Breidablik Chess Club Guest Tournament 2015 | Kopavogur | ISL | 2015-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2205 | 2048 | 4.00 | 7 | 1.88 | 20 | 37.60 | |
| | Einarsson, Halldor Gretar | f | | 2187 | ISL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Gislason, Gudmundur | f | | 2315 | ISL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Ptacnikova, Lenka | | wg | 2270 | ISL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Birkisson, Bjorn Holm | | | 1911 | ISL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Halldorsson, Gudmundur | | | 2219 | ISL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Jonsson, Bjorgvin | m | | 2353 | ISL | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Edvardsson, Kristjan | | | 2178 | ISL | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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