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Individual Calculations February 2013 |
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| Zielewicz, Piotr Total change: -13.50 | |   |
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| IV Memorial im. Ziemowita Zgierskiego - Obra Zima Open 2013 | Obra | POL | 2013-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1725 | 5.00 | 9 | -0.90 | 15 | -13.50 | |
|  Leskiewicz, Ignacy | | | 1439 | POL | 0.00 | 1 | -0.84 | 15 | -12.60 | |  Mietkiewicz, Jacek | | | 1507 | POL | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Worona, Michal | | | 1499 | POL | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Czajka, Iwo | | | 1503 | POL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Glapa, Anna | | | 1585 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Jagodzinski, Piotr | | | 2125 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Wisniewski, Arkadiusz | | | 1716 | POL | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Woloch, Oskar | | | 1592 | POL | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Wrobel, Michal | | | 1532 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | * 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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