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Individual Calculations April 2008 |
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| Halldorsson, Jon Arni Total change: -6.30 | |   |
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| Hellir Chess Club Championship | Reykjavik | ISL | 2008-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2174 | 2.00 | 4 | -0.49 | 15 | -7.35 | |
|  Brynjarsson, Helgi | | | 1914 | ISL | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Leifsson, Thorsteinn | | | 1825 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Danielsen, Henrik | g | | 2506 | ISL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Johannesson, Gisli Holmar | | | 2054 | ISL | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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 1 div | Reykjavik | ISL | 2008-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2174 | 1.50 | 3 | -0.25 | 15 | -3.75 | |
| | Halldorsson, Bragi | | | 2230 | ISL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Olafsson, Thorvardur | | | 2144 | ISL | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Eiriksson, Sigurdur | | | 1940 | ISL | 1.00 | 1 | 0.21 | 15 | 3.15 | |
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) | | | | Reykjavik Open 2008 | Reykjavik | ISL | 2008-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2174 | 4.00 | 9 | 0.32 | 15 | 4.80 | |
| | Hermansson, Emil | m | | 2472 | SWE | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Wang, Yue | g | | 2524 | CHN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vigfusson, Vigfus | | | 2052 | ISL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Fridgeirsson, Dagur Andri | | | 1824 | ISL | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Kjartansson, Gudmundur | f | | 2307 | ISL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Arngrimsson, Dagur | f | | 2359 | ISL | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Johannesson, Ingvar Thor | f | | 2338 | ISL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Bergsson, Snorri | f | | 2333 | ISL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Kristjansson, Atli Freyr | | | 2019 | ISL | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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