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Individual Calculations February 2018 |
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| Petlak, Josef Total change: -14.20 | |   |
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| Jihomoravsky krajsky prebor I. tridy 2017/2018 r5-6 | various | CZE | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 2012 | 0.50 | 2 | -0.71 | 20 | -14.20 | |
|  Nikodem, Gustav | | | 2007 | CZE | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Ling, Bronislav | | | 1861 | CZE | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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) | | |
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