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Individual Calculations February 2019 |
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| Grzadka, Artur Total change: 20.80 | |   |
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| Otwarta Liga Mazowiecka 2018-2019 Round 5-6 | Warszawa | POL | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1256 | 1458 | 2.00 | 2 | 0.52 | 40 | 20.80 | |
|  Bojarski, Maksymilian | | | 1126 | POL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Jozwik, Michal | | | 1386 | POL | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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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