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Individual Calculations April 2017 |
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| Johannesson, Ingvar Thor Total change: 0.20 | |   |
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| Icelandic Team Championship 2016-17 - 1st division Round 6-9 | Reykjavik | ISL | 2017-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 2359 | 3.00 | 4 | -0.06 | 20 | -1.20 | |
|  Thorhallsson, Pall | | | 2018 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Gunnarsson, Arinbjorn | | | 2244 | ISL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Bergthorsson, Jon Thor | | | 2171 | ISL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Birkisson, Bardur Orn | | | 2142 | ISL | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | Skakthing Nordlendinga 2017 - rounds 5-7 | Saudarkrokur | ISL | 2017-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2359 | 2.50 | 3 | 0.07 | 20 | 1.40 | |
| | Johannsson, Orn Leo | | | 2230 | ISL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Haraldsson, Haraldur | | | 1959 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Jonsson, Gauti Pall | | | 2075 | ISL | 1.00 | 1 | 0.16 | 20 | 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) | | |
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