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Individual Calculations December 2018 |
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| Olafsson, Arni Total change: -80.80 | |   |
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| U-2000 mot TR | Reykjavik | ISL | 2018-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1382 | 0.00 | 3 | -1.70 | 40 | -68.00 | |
|  Haraldsson, Haraldur | | | 1782 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Sigfusson, Ottar Orn Bergmann | | | 1122 | ISL | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Sharifa, Rayan | | | 1141 | ISL | 0.00 | 1 | -0.80 | 40 | -32.00 | | | * 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 Team Chess Championship 2018-19 4th Division Round 1-4 | Reykjavik | ISL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1514 | 1382 | 0.00 | 1 | -0.32 | 40 | -12.80 | |
| | Arnarson, David | | | 1514 | ISL | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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