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Individual Calculations April 2009 |
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| Gretarsson, Hjorvar Steinn Total change: 8.40 | |   |
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| Reykjavik Championship 2009 | Reykjavik | ISL | 2009-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2279 | 7.50 | 9 | 1.03 | 15 | 15.45 | |
|  Einarsson, Bardi | | | 1929 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Kristinsson, Bjarni Jens | | | 1953 | ISL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Bergsson, Stefan | | | 2079 | ISL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Valtysson, Thor | | | 2099 | ISL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Halldorsson, Halldor | | | 2201 | ISL | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Leosson, Torfi | | | 2155 | ISL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Baldursson, Hrannar | | | 2081 | ISL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Olafsson, Thorvardur | | | 2182 | ISL | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Ptacnikova, Lenka | | wg | 2249 | ISL | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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) | | | | Hellir Champ 2009 | Reykjavik | ISL | 2009-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2279 | 5.00 | 7 | -0.25 | 15 | -3.75 | |
| | Andrason, Pall | | | 1929 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Petursson, Matthias | | | 1929 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Vigfusson, Vigfus | | | 2027 | ISL | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Fridgeirsson, Dagur Andri | | | 1929 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Olafsson, David | f | | 2319 | ISL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Bjarnason, Saevar | m | | 2211 | ISL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Omarsson, Dadi | | | 2091 | ISL | 0.50 | 1 | -0.24 | 15 | -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) | | | | Nordisk Mesterskab for skoleungdom - Grp B | Torshavn | FAI | 2009-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2279 | 4.00 | 6 | -0.22 | 15 | -3.30 | |
| | Jensen, Mads | | | 1929 | DEN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kiuttu, Roope | | | 2107 | FIN | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Nilsen, Joachim Birger | | | 2034 | NOR | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Hansen, Mads | | | 2061 | DEN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Haarr, Jon Kristian | | | 2081 | NOR | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Grandelius, Nils | m | | 2464 | SWE | 0.50 | 1 | 0.24 | 15 | 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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