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Individual Calculations May 2011 |
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| Johannsdottir, Johanna Bjorg Total change: 14.55 | |   |
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| Einvigi um NM stulkna | Reykjavik | ISL | 2011-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 1801 | 2.00 | 2 | 0.94 | 15 | 14.10 | |
|  Finnbogadottir, Tinna Kristin | | | 1776 | ISL | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Finnbogadottir, Tinna Kristin | | | 1776 | ISL | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 Team Tournament 2010-2011 3 div | Reykjavik | ISL | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1795 | 1.00 | 2 | 0.30 | 15 | 4.50 | |
| | Baldursson, Haraldur | | | 2020 | ISL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Fridthjofsdottir, Sigurl Regina | | | 1808 | ISL | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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 2011 | Reykjavik | ISL | 2011-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1795 | 2.00 | 8 | -0.27 | 15 | -4.05 | |
| | Kjartansson, Gudmundur | m | | 2195 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Thorsteinsson, Erlingur | | | 2110 | ISL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Will, Matthias | | | 2047 | GER | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Byron, Alan M | | | 2183 | ENG | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Thorsteinsdottir, Hallgerdur | | | 2011 | ISL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Duchrow, Oliver | | | 2165 | GER | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Hauksdottir, Hrund | | | 1554 | ISL | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Leosson, Atli Johann | | | 1685 | ISL | 1.00 | 1 | 0.35 | 15 | 5.25 | | | * 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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