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Individual Calculations December 2017 |
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| Wikstrom, Patrik Total change: 1.20 | |   |
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| Hasselbacken Chess Open 2017 lang | Stockholm | SWE | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1997 | 1.50 | 3 | -0.11 | 20 | -2.20 | |
|  Gunnarsson, Lennart | | | 1818 | SWE | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Persson, Kjell | | | 1824 | SWE | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Agrest, Inna | | wm | 2297 | SWE | 0.00 | 1 | -0.15 | 20 | -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) | | | | Gavleborgs Open 2017 | Sandviken | SWE | 2017-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1997 | 2.00 | 4 | 0.17 | 20 | 3.40 | |
| | Gustafsson, Thomas | | | 2037 | SWE | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Mehlstrand, Jimmy | | | 1982 | SWE | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Karlsson, Patrik | | | 1960 | SWE | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Wiklund, Patrik | | | 2131 | SWE | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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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