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Individual Calculations October 2019 |
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| Kopacz, Grzegorz Total change: -5.00 | |   |
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| DMP II liga seniorow 2019 | Poronin | POL | 2019-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2111 | 1.00 | 2 | -0.25 | 20 | -5.00 | |
|  Lach, Piotr | | | 2125 | POL | 0.50 | 1 | 0.02 | 20 | 0.40 | |  Szajda, Marcin | | | 1904 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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