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Individual Calculations December 2018 |
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| Stefansson, Vignir Vatnar Total change: -12.00 | |   |
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| Hasselbacken Open 2018 lang | Stockholm | SWE | 2018-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2283 | 2.50 | 4 | -0.55 | 10 | -5.50 | |
|  Olsson, William | | | 2031 | SWE | 0.50 | 1 | -0.31 | 10 | -3.10 | |  Wedin, Svante | | | 1971 | SWE | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Bjorkeroth, Johan | | | 2104 | SWE | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Adler, Bo | | | 2171 | SWE | 0.00 | 1 | -0.65 | 10 | -6.50 | |
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 1st division Round 1-5 | Reykjavik | ISL | 2018-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2339 | 2283 | 1.50 | 5 | -0.65 | 10 | -6.50 | |
| | Baldursson, Hrannar | | | 2123 | ISL | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Jakubiec, Artur | g | | 2508 | POL | 0.50 | 1 | 0.28 | 10 | 2.80 | | | Kjartansson, Gudmundur | m | | 2423 | ISL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Birkisson, Bardur Orn | c | | 2198 | ISL | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Wang, Kevin | m | | 2442 | USA | 0.00 | 1 | -0.29 | 10 | -2.90 | |
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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