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Individual Calculations October 2013 |
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| Zielewicz, Piotr Total change: -21.45 | |   |
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| Obra Lato Open 2013 | Obra | POL | 2013-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1719 | 4.50 | 9 | -1.43 | 15 | -21.45 | |
|  Swigon, Grzegorz | | | 1352 | POL | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Czachor, Grzegorz | | | 2004 | POL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Drobka, Marcin | | | 1511 | POL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Jakubowski, Wojciech | | | 1523 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Piotrowski, Pawel | | | 1959 | POL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Lisiecki, Robert | | | 1477 | POL | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Derewlany, Pawel | | | 1618 | POL | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Worona, Michal | | | 1473 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Prokopowicz, Anna | | | 1353 | POL | 0.50 | 1 | -0.40 | 15 | -6.00 | |
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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