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Individual Calculations July 2008 |
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| Gretarsson, Hjorvar Steinn Total change: 7.65 | |   |
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| Haukar Invitational 2008 | Reykjavik | ISL | 2008-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2247 | 6.50 | 9 | 0.76 | 15 | 11.40 | |
|  Salama, Omar | | | 2233 | EGY | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Hardarson, Marteinn Thor | | | 1897 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Baldursson, Hrannar | | | 2080 | ISL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Bjornsson, Sigurbjorn | f | | 2286 | ISL | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Thorfinnsson, Bjorn | f | | 2364 | ISL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Thorgeirsson, Sverrir | | | 2120 | ISL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Gudmundsson, Stefan Freyr | | | 2085 | ISL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Thorvaldsson, Arni | | | 2005 | ISL | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Olafsson, Thorvardur | | | 2144 | ISL | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | Kaupthing Open A | Differdange | LUX | 2008-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2291 | 4.00 | 9 | -0.29 | 15 | -4.35 | |
| | Gharamian, Tigran | m | | 2554 | FRA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Koch, Dirk | | | 2120 | GER | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Thorhallsson, Throstur | g | | 2437 | ISL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Christen, Pierre | | | 2053 | LUX | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Dembo, Yelena | m | wg | 2429 | GRE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Weller, Manuel | | | 2023 | GER | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Thalwitzer, David | | | 2193 | GER | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Haub, Thorsten Michael | m | | 2467 | GER | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Jansa, Vlastimil | g | | 2489 | CZE | 0.00 | 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) | | | | Stigamot Hellis | Reykjavik | ISL | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2097 | 2291 | 2.00 | 3 | -0.12 | 15 | -1.80 | |
| | Johannsdottir, Johanna Bjorg | | | 1941 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Thorsteinsdottir, Hallgerdur | | | 1941 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Thorfinnsson, Bragi | m | | 2408 | ISL | 0.00 | 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 Chess School Championship 2008 | Reykjavik | ISL | 2008-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2291 | 3.00 | 4 | 0.16 | 15 | 2.40 | |
| | Kjartansson, Gudmundur | f | | 2321 | ISL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Thorgeirsson, Sverrir | | | 2120 | ISL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Asbjornsson, Ingvar | | | 2017 | ISL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Omarsson, Dadi | | | 2027 | ISL | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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