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Individual Calculations March 2015 |
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| Birkisson, Bjorn Holm Total change: -66.00 | |   |
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| Reykjavik Chess Championship 2015 | Reykjavik | ISL | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1911 | 3.00 | 7 | -1.65 | 40 | -66.00 | |
|  Davidsson, Stefan Orri | | | 1511 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Arngrimsson, Dagur | m | | 2311 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sigurdsson, Birkir Karl | | | 1756 | ISL | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Steinthorsson, Felix | | | 1614 | ISL | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Eliasson, Kristjan Orn | | | 1831 | ISL | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Luu, Robert | | | 1511 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jonsson, Olafur Gisli | | | 1871 | ISL | 0.00 | 1 | -0.56 | 40 | -22.40 | | | * 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) | | | | Huginn Chess Club and Breidablik Chess Club Guest Tournament 2015 | Kopavogur | ISL | 2015-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1911 | 3.50 | 8 | 0.12 | 40 | 4.80 | |
| | Teitsson, Magnus | | | 2205 | ISL | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Halldorsson, Gudmundur | | | 2219 | ISL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Bjornsson, Sverrir Orn | | | 2117 | ISL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Loftsson, Hrafn | | | 2165 | ISL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Johannsson, Orn Leo | | | 2048 | ISL | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Moller, Agnar T | | | 1749 | ISL | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Magnusson, Audbergur | | | 1647 | ISL | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Hallsson, Jon Eggert | | | 1661 | ISL | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | Nordisk mesterskab for skoleelever 2015 (Grp C 2000-01) | Klaksvik | FAI | 2015-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1911 | 1.50 | 4 | -0.12 | 40 | -4.80 | |
| | Djurhuus, Eivind X | | | 2103 | NOR | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Ng, Klemens | | | 1854 | SWE | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Machlik, Endre | | | 2081 | NOR | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Kristensen, Bjarke Hautop | | | 1904 | DEN | 0.50 | 1 | -0.01 | 40 | -0.40 | |
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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