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Individual Calculations April 2008 |
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| Halldorsson, Halldor Total change: -4.05 | |   |
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| Hafnarfjordur Championship 2007 | Reykjavik | ISL | 2007-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2230 | 0.00 | 1 | -0.37 | 15 | -5.55 | |
|  Thorfinnsson, Bjorn | f | | 2323 | ISL | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | Icelandic 1 div | Reykjavik | ISL | 2008-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2225 | 1.50 | 3 | 0.10 | 15 | 1.50 | |
|  Thorkelsson, Sigurjon | | | 2045 | ISL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Gretarsson, Andri A | f | | 2305 | ISL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Ahlander, Bjorn | m | | 2399 | SWE | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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