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Individual Calculations March 2013 |
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| Sigurdsson, Jakob Saevar Total change: 11.70 | |   |
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| Akureyri Chess Championship | Akureyri | ISL | 2013-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1752 | 3.50 | 5 | 1.07 | 15 | 16.05 | |
|  Thorhallsson, Simon | | | 1451 | ISL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Arnarson, Sigurdur | | | 2069 | ISL | 1.00 | 1 | 0.87 | 15 | 13.05 | |  Bjorgvinsson, Andri Freyr | | | 1594 | ISL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Halldorsson, Hjorleifur | | | 1936 | ISL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Thorgeirsson, Jon Kristinn | | | 1766 | ISL | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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) | | | | Skákþing Goðans | Húsavík | ISL | 2013-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1752 | 0.50 | 2 | -0.29 | 15 | -4.35 | |
| | Lee, Gudmundur Kristinn | | | 1625 | ISL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Danielsson, Sigurdur | | | 2091 | ISL | 0.50 | 1 | 0.38 | 15 | 5.70 | |
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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