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Individual Calculations April 2013 |
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| Jonsson, Bjorn Total change: -4.50 | |   |
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| Icelandic Team Championship 2012-13 Div. 2 round 5-7 | Reykjavik | ISL | 2013-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2037 | 0.50 | 1 | -0.11 | 15 | -1.65 | |
|  Sigurjonsson, Siguringi | | | 1959 | ISL | 0.50 | 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) | | | | Icelandic Team Championship 2012-13 Div. 3 round 5-7 | Reykjavik | ISL | 2013-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2037 | 1.00 | 2 | -0.19 | 15 | -2.85 | |
| | Kristinsson, Bjarni Jens | | | 2028 | ISL | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Arnljotsson, Jon | | | 1904 | 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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