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Individual Calculations September 2021 |
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| Bukowska, Katarzyna Total change: -1.20 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN C | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1845 | 5.00 | 9 | -0.06 | 20 | -1.20 | |
|  Biel, Maciej | | | 1445 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nisztuk, Michal | | | 1498 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Zowada, Kazimierz | | | 2029 | POL | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Szydelko, Kazimierz | | | 1664 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Mazalon, Mariusz | | | 2014 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Krasenkova, Elena | | wm | 2178 | RUS | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Zarow, Zdzislaw | | | 1663 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Fikus, Zygmunt | | | 1969 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kaczmarek, Piotr | | | 1621 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | * 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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