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Individual Calculations April 2018 |
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| Praczukowski, Stanislaw Total change: -20.60 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 2121 | 2.00 | 4 | -1.03 | 20 | -20.60 | |
|  Niedzwiecki, Marek | | | 1721 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wozniak, Aleksander | | | 1722 | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Chomczyk, Marek | | | 2188 | POL | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Szwaj, Jacek | | | 1897 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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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