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Individual Calculations December 2019 |
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| Jonsson, Kristjan Dagur Total change: 69.20 | |   |
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| U-2000 mot TR 2019 | Reykjavik | ISL | 2019-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1495 | 1.50 | 3 | 0.28 | 40 | 11.20 | |
|  Thorisson, Bjartur | | | 1095 * | ISL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Haraldsson, Oskar | | | 1714 | ISL | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Baldursson, Haraldur | | | 1895 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Lilla Hasselbacken Chess Open 2019 Lang | Stockholm | SWE | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1522 | 3.50 | 4 | 1.45 | 40 | 58.00 | |
|  Backlund, Elias | | | 1579 | SWE | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Davidsson, Joshua | | | 1535 | ISL | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Grahn, Johan | | | 1477 | SWE | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Sigfusson, Ottar Orn Bergmann | | | 1456 | ISL | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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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