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Individual Calculations August 2018 |
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| Ostrowska, Joanna Total change: 30.40 | |   |
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| 18th INTERNATIONAL NAJDORF CHESS FESTIVAL Gr. B | Warszawa | POL | 2018-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1665 | 4.50 | 9 | 1.52 | 20 | 30.40 | |
|  Markiewicz, Michal | | | 1886 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Bartodziej, Bartosz | | | 1544 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Gniado, Radoslaw | | | 1805 | POL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Pietrzak, Wojciech | | | 1796 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Herman, Monika | | | 1804 | POL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Kulpa, Zuzanna | | | 1818 | POL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Bartoszewicz, Marcin | | | 1907 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Omar, Mohamed | | | 1794 | EGY | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Gajewski, Dariusz | | | 1789 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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) | | |
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