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Individual Calculations August 2015 |
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| Ptaszek, Piotr Total change: 17.60 | |   |
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| MIGUEL NAJDORF INTERNATIONAL CHESS FESTIVAL- Open B | Warszawa | POL | 2015-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1754 | 4.50 | 9 | 0.88 | 20 | 17.60 | |
|  Helaszek, Edward | | | 2061 | POL | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Moscicka, Pola | | | 1644 | POL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Paprocki, Jaroslaw | | | 2154 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Burdzy, Joanna | | | 1634 | POL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Chyzy, Jakub | | | 1565 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kalhorn, Marcin | | | 1601 | POL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Borawski, Jakub | | | 2063 | POL | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Pietrzak, Wojciech | | | 1907 | POL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Hetzer, Volkhard | | | 1990 | GER | 0.50 | 1 | 0.30 | 20 | 6.00 | | | * 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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