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Individual Calculations May 2011 |
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| Gretarsson, Hjorvar Steinn Total change: -22.30 | |   |
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| Icelandic Team Tournament 2010-2011 1 div | Reykjavik | ISL | 2011-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2253 | 2444 | 1.50 | 3 | -0.72 | 10 | -7.20 | |
|  Johannesson, Ingvar Thor | f | | 2338 | ISL | 0.00 | 1 | -0.64 | 10 | -6.40 | |  Gunnarsson, Gunnar K | | | 2221 | ISL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Thorhallsson, Gylfi | | | 2200 | ISL | 0.50 | 1 | -0.30 | 10 | -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 2011 | Reykjavik | ISL | 2011-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2256 | 2444 | 4.50 | 9 | -2.01 | 10 | -20.10 | |
| | Puuska, Heini | | wf | 2044 * | FIN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Thorsteinsson, Thorsteinn | f | | 2220 | ISL | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Holm, Kristian Stuvik | | | 2240 | NOR | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Thorgeirsson, Sverrir | | | 2233 | ISL | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Mack, Wolfgang | | | 2282 | GER | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Ragnarsson, Johann | | | 2089 | ISL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kjartansson, Gudmundur | m | | 2327 | ISL | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Gustafsson, Jan | g | | 2647 | GER | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Einarsson, Halldor Gretar | f | | 2220 | ISL | 0.00 | 1 | -0.78 | 10 | -7.80 | | | * 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) | | | | Icelandic Championship 2011 Candidates | Reykjavik | ISL | 2011-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2444 | 7.50 | 8 | 0.50 | 10 | 5.00 | |
| | Stefansson, Vignir Vatnar | | | 2044 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Haraldsson, Sigurjon | | | 2044 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sigurdsson, Pall | | | 2044 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ragnarsson, Dagur | | | 2044 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kjartansson, David | f | | 2289 | ISL | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Thorhallsson, Gylfi | | | 2200 | ISL | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Johannsson, Orn Leo | | | 2044 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ragnarsson, Johann | | | 2089 | ISL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | * 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) | | |
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