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Individual Calculations July 2009 |
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| Bjornsson, Sverrir Orn Total change: 19.65 | |   |
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| Icelandic Team Champ div 1 | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2161 | 2.50 | 3 | 0.50 | 15 | 7.50 | |
|  Berg, Runar | | | 2130 | ISL | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Sigurbjornsson, Sigurjon | | | 2076 | ISL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Oskarsson, Aron Ingi | | | 1874 | ISL | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | Reykjavík Open | Reykjavík | ISL | 2009-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2161 | 3.50 | 8 | -0.15 | 15 | -2.25 | |
| | Williams, Simon K | g | | 2507 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Johannsdottir, Johanna Bjorg | | | 1811 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Caspi, Israel | m | | 2402 | ISR | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Jonsson, Olafur Gisli | | | 1915 | ISL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Thorfinnsson, Bragi | m | | 2383 | ISL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Vigfusson, Vigfus | | | 2027 | ISL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Thorsteinsson, Thorsteinn | f | | 2288 | ISL | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Moskow, Eric | | | 2225 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | Haukar Inv 2009 pre 1 | Reykjavik | ISL | 2009-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 2154 | 4.00 | 5 | -0.05 | 15 | -0.75 | |
| | Hardarson, Marteinn Thor | | | 1850 | ISL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Schioth, Tjorvi | | | 1804 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Sigurdsson, Pall | | | 1894 | ISL | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Gudmundsson, Stefan Freyr | | | 2092 | ISL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Steingrimsson, Gustaf | | | 1804 | ISL | 1.00 | 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) | | | | Haukar Inv 2009 Final A | Reykjavik | ISL | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2154 | 4.00 | 6 | 1.01 | 15 | 15.15 | |
| | Hreinsson, Hlidar | | | 2236 | ISL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Ottesen, Oddgeir | | | 1874 | ISL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ptacnikova, Lenka | | wg | 2243 | ISL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Olafsson, Thorvardur | | | 2212 | ISL | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Rodriguez Fonseca, Jorge | | | 2051 | ESP | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Gretarsson, Hjorvar Steinn | | | 2287 | ISL | 0.50 | 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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