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Individual Calculations October 2013 |
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| Piotrowicz, Jakub Total change: -19.20 | |   |
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| Mistrzostwa Mazowsza Juniorów - do lat 13 | Zielonka | POL | 2013-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1352 | 1410 | 1.00 | 4 | -1.28 | 15 | -19.20 | |
|  Szustakowski, Antoni | | | 1545 | POL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Klimek, Monika | | | 1221 | POL | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Jarzebowski, Kacper | | | 1473 | POL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Szczapa, Piotr | | | 1168 | POL | 0.50 | 1 | -0.30 | 15 | -4.50 | |
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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