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Individual Calculations December 2018 |
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| Hoffmann, Piotr Total change: -1.80 | |   |
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| IV Wielkopolska Liga Seniorów Grupa A 2018-2019 Round 1-2 | Poznan | POL | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1642 | 1.00 | 2 | -0.09 | 20 | -1.80 | |
|  Mikolajczak, Krystian | | | 1391 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Chaczynski, Kamil | | | 1808 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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