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Individual Calculations February 2018 |
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| Koski, Juha-Pekka Total change: 9.20 | |   |
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| OSS Jan 2018 Weekend | Oulu | FIN | 2018-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1639 | 1.50 | 4 | 0.23 | 40 | 9.20 | |
|  Leukkunen, Raimo | | | 1864 | FIN | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Koski, Pekka | | | 1833 | FIN | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Nisula, Timo | | | 1917 | FIN | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Ruokamo, Vesa | | | 1547 | FIN | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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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