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Individual Calculations March 2011 |
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| Johannesson, Oliver Total change: -1.00 | |   |
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| Reykjavik Championship 2011 | Reykjavik | ISL | 2011-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1555 | 1.50 | 6 | -0.22 | 25 | -5.50 | |
|  Halldorsson, Halldor | | | 1955 * | ISL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Ulfljotsson, Jon | | | 1860 | ISL | 0.50 | 1 | 0.36 | 25 | 9.00 | |  Eliasson, Kristjan Orn | | | 1955 * | ISL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Andrason, Pall | | | 1637 | ISL | 0.50 | 1 | 0.11 | 25 | 2.75 | | | Hauksdottir, Hrund | | | 1567 | ISL | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Kjartansson, Dagur | | | 1522 | ISL | 0.00 | 1 | -0.55 | 25 | -13.75 | | | * 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) | | | | Nordic Youth Chess Championship D | Oslo | NOR | 2011-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1555 | 1.00 | 4 | 0.18 | 25 | 4.50 | |
| | Hauge, Lars Oskar | | | 1942 | NOR | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Thorgeirsson, Jon Kristinn | | | 1660 | ISL | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Percivaldi, Martin | | | 1803 | DEN | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Tumanov, Dmitri | | | 1821 | FIN | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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) | | |
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