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Individual Calculations May 2011 |
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| Piotrowski, Arkadiusz Total change: -9.60 | |   |
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| Druzynowe Mistrzostwa Mazowsza | Warszawa | POL | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1929 | 2.50 | 6 | -0.64 | 15 | -9.60 | |
|  Jarmuzynska, Kamila | | | 1703 | POL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Kolinski, Daniel | | | 1772 | POL | 0.50 | 1 | -0.21 | 15 | -3.15 | |  Marczukiewicz, Jerzy | | | 2014 | POL | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Paczuski, Tomasz | | | 1991 | POL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Pazderski, Ziemowit | | | 2219 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Worobiej, Daniel | | | 1785 | POL | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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