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Individual Calculations September 2015 |
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| Zatylny, Jan Total change: -6.20 | |   |
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| 23rd Poznan Chess Festival | Poznan | POL | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1530 | 2.50 | 8 | -0.31 | 20 | -6.20 | |
|  Dzierzak, Radoslaw | | | 1930 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kowalewicz, Kacper | | | 1815 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Kukorowski, Jan | | | 1711 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Kiwilsza, Piotr | | | 1699 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Purczynski, Andrzej | | | 1432 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Gromnicki, Janusz | | | 1661 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Hoffmann, Piotr | | | 1670 | POL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Piasecki, Andrzej | | | 1319 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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