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Individual Calculations February 2013 |
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| Sigurdsson, Birkir Karl Total change: -19.50 | |   |
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| KORNAX tournament - Reykjavik Chess Championship 2013 | Reykjavik | ISL | 2013-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1753 | 1.00 | 4 | -1.30 | 15 | -19.50 | |
|  Bjarnason, Saevar | m | | 2141 | ISL | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Steinthorsson, Felix | | | 1434 | ISL | 0.00 | 1 | -0.87 | 15 | -13.05 | | | Jonsson, Tomas Arni | | | 1706 | ISL | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Magnusdottir, Veronika Steinunn | | | 1545 | ISL | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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