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Individual Calculations July 2010 |
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| Thorgeirsson, Jon Kristinn Total change: 8.25 | |   |
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| Icelandic Chess School 2010 | Reykjavik | ISL | 2010-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1597 | 1.00 | 3 | -0.51 | 25 | -12.75 | |
|  Johannsdottir, Johanna Bjorg | | | 1738 | ISL | 0.50 | 1 | 0.19 | 25 | 4.75 | |  Kjartansson, Dagur | | | 1497 | ISL | 0.00 | 1 | -0.64 | 25 | -16.00 | | | Johannesson, Oliver | | | 1554 | ISL | 0.50 | 1 | -0.06 | 25 | -1.50 | |
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) | | | | Minningarmot um Margeir Steingrimsson | Akureyri | ISL | 2010-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1597 | 1.00 | 2 | 0.84 | 25 | 21.00 | |
| | Sigurdarson, Tomas Veigar | | | 1997 * | ISL | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Thorhallsson, Gylfi | | | 1997 * | ISL | 0.50 | 1 | 0.42 | 25 | 10.50 | | | * 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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