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Individual Calculations December 2017 |
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| Szewczyk, Jacek Total change: -12.00 | |   |
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| IV DLS Okreg Walbrzyski Round 1-3 | Dolny Slask | POL | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 2085 | 1.00 | 2 | -0.60 | 20 | -12.00 | |
|  Szandurski, Radoslaw | | | 1776 | POL | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Majocha, Piotr | | | 1905 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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