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Individual Calculations July 2009 |
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| Johannsdottir, Johanna Bjorg Total change: 7.20 | |   |
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| Reykjavík Open | Reykjavík | ISL | 2009-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1724 | 1.00 | 7 | -0.54 | 15 | -8.10 | |
|  Rombaldoni, Axel | f | | 2074 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bjornsson, Sverrir Orn | | | 2074 | ISL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Gudmundsson, Kjartan | | | 2009 | ISL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Einarsson, Einar Kristinn | | | 2065 | ISL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Kristinsson, Bjarni Jens | | | 1953 | ISL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Gasanova, Ulker | | | 1643 | ISL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Ingason, Sigurdur | | | 1949 | ISL | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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 |
| 1927 | 1714 | 2.00 | 4 | 1.02 | 15 | 15.30 | |
| | Thorsteinsdottir, Hallgerdur | | | 1958 | ISL | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Kristinsson, Bjarni Jens | | | 1940 | ISL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Hauksson, Hordur Aron | | | 1745 | ISL | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Thorgeirsson, Sverrir | | | 2064 | ISL | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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