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Individual Calculations April 2015 |
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| Widla, Piotr Total change: -10.80 | |   |
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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 |
| 1821 | 2066 | 6.50 | 9 | -0.54 | 20 | -10.80 | |
|  Musial, Tomasz | | | 1666 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kretowicz, Piotr | | | 1807 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Swider, Pawel | | | 1666 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bajorek, Maciej | | | 1860 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Slabek, Grzegorz | | | 2019 | POL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Sukiennik, Marek | | | 1979 | POL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Dusza, Milosz | | | 1803 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Furtak, Joanna | | | 1666 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Janik, Robert | | | 1927 | POL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | * 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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