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Individual Calculations December 2017 |
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| Kupryjanczyk, Jan Total change: -17.40 | |   |
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| IV WIELKOPOLSKA LIGA SENIOROW GRUPA B-2017-2018 Round 1-3 | Poznan | POL | 2017-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1685 | 0.50 | 2 | -0.87 | 20 | -17.40 | |
|  Zurawski, Mateusz | | | 1448 | POL | 0.00 | 1 | -0.80 | 20 | -16.00 | |  Macherzynski, Rafal | | | 1633 | POL | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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