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Individual Calculations April 2019 |
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| Johannsson, Birkir Isak Total change: 47.60 | |   |
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| Icelandic Team Chess Championship 2018-19 2nd division Rounds 5-7 | Reykjavik | ISL | 2019-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1957 | 2.00 | 2 | 0.66 | 40 | 26.40 | |
|  Magnusson, Audbergur | | | 1677 | ISL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Millward, Kevin P | | | 1959 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | Icelandic Team Chess Championship 2018-19 3rd division Rounds 5-7 | Reykjavik | ISL | 2019-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1957 | 1.00 | 1 | 0.53 | 40 | 21.20 | |
|  Vigfusson, Vigfus | | | 1982 | ISL | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | |
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