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Individual Calculations January 2021 |
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| Barwinska, Ewa Total change: 7.60 | |   |
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| Indywidualne Mistrzostwa Polski Kobiet do lat 20 | Pokrzywna | POL | 2020-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1731 | 2.50 | 8 | -0.25 | 40 | -10.00 | |
|  Smietanska, Wiktoria | c | | 2013 | POL | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Mirowska, Oliwia | | | 1820 | POL | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Zabrzanska, Weronika | | | 1849 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Marcinczyk, Monika | | wc | 2030 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Siekanska, Maria | | | 1919 | POL | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Siekanska, Zuzanna | | | 1800 | POL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Pietrzak, Emilia | | | 1523 | POL | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Hertlein, Irena | | | 1893 | POL | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | Konin Masters VI - IV Memorial Wiktora Korcznoja | Konin | POL | 2020-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1731 | 2.50 | 5 | 0.44 | 40 | 17.60 | |
| | Witczak, Borys | | | 1331 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sliwerski, Radoslaw | | | 2053 | POL | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Karolczuk, Iwo | | | 2065 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Nowak, Roksana | | | 1480 | POL | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Ochedzan, Tymon | c | | 2131 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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