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Individual Calculations December 2018 |
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| Grochowski, Michal Total change: -83.60 | |   |
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| Wielkopolska III Liga Seniorow 2018/2019 Round 1-3 | Wielkopolska | POL | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1823 | 0.50 | 3 | -0.81 | 40 | -32.40 | |
|  Smagalski, Slawomir | | | 1937 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Rozumek, Krzysztof | | | 1789 | POL | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Hanusek, Krzysztof | | | 1881 | POL | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | Polfinal Mistrzostw Polski Juniorow 2018 - C17 | Szczyrk | POL | 2018-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1823 | 4.00 | 8 | -1.28 | 40 | -51.20 | |
| | Warcaba, Jakub | | | 1520 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Guzik, Kacper | | | 1423 * | POL | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Butyrowski, Marcel | | | 1902 | POL | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Kawalko, Adam | | | 1965 | POL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Posluszny, Tomasz | | | 1882 | POL | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Straszewski, Tomasz | | | 1560 | POL | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Seredyn, Dominik | | | 1522 | POL | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Iwanczuk, Krzysztof | | | 1663 | POL | 0.50 | 1 | -0.21 | 40 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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