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Individual Calculations February 2023 |
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| Pietrzak, Natalia Total change: -75.60 | |   |
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| Szkolne Indywidualne Mistrzostwa Polski dziewczeta D11 D13 D15 D17 | Pokrzywna | POL | 2023-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1193 | 1175 | 0.50 | 5 | -1.89 | 40 | -75.60 | |
|  Gorecka, Zuzanna | | | 1401 | POL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Jeziorska, Emilia | | | 1004 | POL | 0.50 | 1 | -0.23 | 40 | -9.20 | |  Jeziorska, Anna | | | 1144 | POL | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Wisniewska, Blanka | | | 1128 | POL | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Popczynska, Michalina | | | 1290 | POL | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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