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Individual Calculations July 2012 |
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| Kjartansson, David Total change: 13.80 | |   |
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| Stigamot Hellis 2012 | Reykjavik | ISL | 2012-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 2320 | 2.00 | 2 | 0.21 | 15 | 3.15 | |
|  Vigfusson, Vigfus | | | 1994 | ISL | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Hardarson, Jon Trausti | | | 1920 * | ISL | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | Championship of Northern part of Iceland | Akureyri | ISL | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2320 | 3.50 | 4 | 0.71 | 15 | 10.65 | |
| | Valtysson, Thor | | | 1981 | ISL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Bergsson, Stefan | | | 2170 | ISL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Gunnarsson, Jon Viktor | m | | 2406 | ISL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Arnarson, Sigurdur | | | 2047 | ISL | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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