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Individual Calculations April 2015 |
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| Witusik, Jerzy Total change: -49.00 | |   |
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| Puchar Poronina 2015 w szachach klasycznych HARNAs | Poronin | POL | 2015-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1824 | 2.50 | 7 | -2.45 | 20 | -49.00 | |
|  Kupryjan, Damian | | | 1424 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Janik, Robert | | | 1927 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Meers, Hubert | | | 1424 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Furtak, Joanna | | | 1427 | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Musial, Tomasz | | | 1514 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Bajorek, Maciej | | | 1860 | POL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Kretowicz, Piotr | | | 1807 | POL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | * 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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