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Individual Calculations July 2009 |
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| Sverrisson, Nokkvi Total change: 20.25 | |   |
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| Vormot TV 2009 | Vestmannaeyjar | ISL | 2009-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2099 | 1749 | 0.00 | 1 | -0.11 | 25 | -2.75 | |
|  Karlsson, Bjorn Ivar | | | 2099 | ISL | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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) | | | | Reykjavík Open | Reykjavík | ISL | 2009-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1749 | 2.50 | 8 | 0.19 | 25 | 4.75 | |
|  Edvardsson, Kristjan | | | 2099 | ISL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Bergsson, Stefan | | | 2079 | ISL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Ingason, Sigurdur | | | 1949 | ISL | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Jonsson, Bjorn | | | 2012 | ISL | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Johannsdottir, Johanna Bjorg | | | 1724 | ISL | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Gasanova, Ulker | | | 1643 | ISL | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Gardarsson, Hordur | | | 1951 | ISL | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Benediktsson, Frimann | | | 1938 | ISL | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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 Chess School Champ 2009 | Reykjavik | ISL | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1749 | 2.00 | 3 | 0.73 | 25 | 18.25 | |
| | Thorsteinsdottir, Hallgerdur | | | 1958 | ISL | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Helgadottir, Sigridur Bjorg | | | 1690 | ISL | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Fridgeirsson, Dagur Andri | | | 1775 | ISL | 1.00 | 1 | 0.54 | 25 | 13.50 | |
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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