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Individual Calculations August 2021 |
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| Kowalski, Witold Total change: -26.80 | |   |
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| Druzynowe Mistrzostwa Polski Juniorow - I Liga 2021 | Lublin | POL | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1477 | 2.00 | 7 | -1.77 | 40 | -70.80 | |
|  Kulczycka, Zofia | | | 1354 | POL | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Oles, Mateusz | | | 1155 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Wierzbicki, Dawid | | | 1653 | POL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Rozek, Michal | | | 1585 | POL | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Demski, Michal | | | 1711 | POL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Jedraszek, Michal | | | 1111 | POL | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Garwacki, Kornel | | | 1475 | POL | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | Najdorf Chess Festival 2021 gr. B | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1477 | 5.50 | 8 | 1.10 | 40 | 44.00 | |
| | Wasylewski, Marcin | | | 1400 | POL | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Klask, Franciszek | | | 1077 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Janik, Marcin | | | 1704 | POL | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Dropia, Rafal | | | 1634 | POL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Maryniec, Grzegorz | | | 1205 | POL | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Zybrant, Sandra | | | 1189 | POL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Chmielewski, Miroslaw | | | 1604 | POL | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Jaroszuk, Marcin | | | 1571 | POL | 1.00 | 1 | 0.63 | 40 | 25.20 | | | * 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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