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Individual Calculations February 2018 |
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| Petrykowski, Reinhardt Total change: -7.80 | |   |
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| 3. Internationales Spandauer Weihnachtsopen | Berlin | GER | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1828 | 1.50 | 4 | -0.39 | 20 | -7.80 | |
|  Kirschbaum, Heinrich | | | 2060 | GER | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Giese, Reinhard | | | 2104 | GER | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Lehmann, Michael | | | 1624 | GER | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Francois, Yannick | | | 1638 | GER | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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