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Individual Calculations April 2015 |
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| Halldorsson, Jon Arni Total change: 7.80 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2150 | 5.00 | 9 | -0.14 | 20 | -2.80 | |
|  Mai, Aron Thor | | | 1750 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Akesson, Ralf | g | | 2456 | SWE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | De Winter, Eric | | | 1776 | NED | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Kolka, Dawid | | | 1875 | ISL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Welling, Gerard | m | | 2355 | NED | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Bjarnason, Vignir | | | 1895 | ISL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Hauksson, Hordur Aron | | | 1853 | ISL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gulamali, Kazim | f | | 2356 | USA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Ahlander, Bjorn | m | | 2380 | SWE | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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) | | | | Icelandic Team Championship 2014-15 1st division Round 6-9 | Reykjavik | ISL | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2382 | 2150 | 1.50 | 4 | 0.53 | 20 | 10.60 | |
| | Kjartansson, David | f | | 2364 | ISL | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Gretarsson, Hjorvar Steinn | g | | 2550 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Magnusson, Gunnar | | | 2121 | ISL | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Kjartansson, Gudmundur | m | | 2491 | ISL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | * 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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