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Individual Calculations February 2013 |
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| Duda, Henryk Total change: -52.80 | |   |
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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 |
| 1562 | 1378 | 0.50 | 8 | -1.76 | 30 | -52.80 | |
|  Kupsik, Joanna | | | 1717 | POL | 0.00 | 1 | -0.12 | 30 | -3.60 | |  Malkowski, Kazimierz | | | 1613 | POL | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Wrobel, Michal | | | 1532 | POL | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Ostrowski, Dariusz | | | 1778 * | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Kolodziejski, Grzegorz | | | 1600 | POL | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Swigon, Grzegorz | | | 1315 | POL | 0.00 | 1 | -0.59 | 30 | -17.70 | | | Worona, Michal | | | 1499 | POL | 0.50 | 1 | 0.16 | 30 | 4.80 | | | Chromicz, Andrzej | | | 1445 | POL | 0.00 | 1 | -0.41 | 30 | -12.30 | | | * 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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