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Individual Calculations April 2008 |
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| Bjornsson, Sigurbjorn Total change: 10.95 | |   |
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| Hafnarfjordur Championship 2007 | Reykjavik | ISL | 2007-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2290 | 2.50 | 5 | -0.64 | 15 | -9.60 | |
|  Bjornsson, Sverrir Orn | | | 2107 | ISL | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Olafsson, Thorvardur | | | 2150 | ISL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Sigurjonsson, Siguringi | | | 1940 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Danielsen, Henrik | g | | 2491 | ISL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Salama, Omar | | | 2233 | EGY | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | | | Reykavik Championship 2008 | Reykjavik | ISL | 2008-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2286 | 6.50 | 9 | -0.12 | 15 | -1.80 | |
| | Fridthjofsdottir, Sigurl Regin | | | 1936 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kristjansson, Atli Freyr | | | 2019 | ISL | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Sigurjonsson, Siguringi | | | 1936 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Omarsson, Dadi | | | 1999 | ISL | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Ragnarsson, Johann | | | 2085 | ISL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Thorgeirsson, Sverrir | | | 2120 | ISL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Einarsson, Halldor | f | | 2279 | ISL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Kjartansson, Gudmundur | f | | 2307 | ISL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Bjornsson, Sverrir Orn | | | 2116 | ISL | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Icelandic 1 div | Reykjavik | ISL | 2008-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2285 | 2286 | 2.00 | 3 | 0.49 | 15 | 7.35 | |
| | Steingrimsson, Hedinn | g | | 2554 | ISL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Thorsteinsson, Arnar | | | 2255 | ISL | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Thorkelsson, Sigurjon | | | 2045 | ISL | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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) | | | | Reykjavik Open 2008 | Reykjavik | ISL | 2008-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2412 | 2286 | 4.00 | 9 | 1.00 | 15 | 15.00 | |
| | Adly, Ahmed | g | | 2551 | EGY | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Almer, Julia | | | 1936 | SWE | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bojkov, Dejan | m | | 2523 | BUL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Thorfinnsson, Bjorn | f | | 2364 | ISL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Hammer, Jon Ludvig | m | | 2441 | NOR | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Al-Modiahki, Mohamad | g | | 2569 | QAT | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kristjansson, Stefan | m | | 2476 | ISL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Danielsen, Henrik | g | | 2506 | ISL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Nemcova, Katerina | | wm | 2342 | CZE | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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) | | |
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