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Individual Calculations January 2020 |
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| Kosny, Marek Total change: 2.60 | |   |
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| 220th YMCA Autumn 2019-A | Warszawa | POL | 2019-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1861 | 6.00 | 12 | 0.63 | 20 | 12.60 | |
|  Dabrowski, Leszek | | | 1851 | POL | 1.00 | 1 | 0.49 | 20 | 9.80 | |  Liberadzki, Slawomir | | | 1983 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Moskwinski, Marek | | | 1940 | POL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Staniak, Mariusz | | | 1808 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Poniewierski, Piotr | | | 1885 | POL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Kasperkiewicz, Pawel | | | 1869 | POL | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Safanowski, Tomasz | | | 1841 | POL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Omar, Mohamed | | | 1864 | EGY | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Choroszej, Aleksander | | | 2054 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Potocki, Karol | | | 1847 | POL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Derylo, Kamil | | | 2020 | POL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Matyszkiewicz, Wiktor | | | 1844 | POL | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | | | Druzynowe Mistrzostwa Mazowsza 2019/2020 Round 1-2 | Mazowieckie | POL | 2019-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1861 | 1.00 | 2 | -0.50 | 20 | -10.00 | |
| | Basiaga, Sebastian | | | 1679 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Pac, Maciej | | | 1655 | POL | 1.00 | 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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