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Individual Calculations September 2017 |
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| Piech, Boguslaw Total change: -59.20 | |   |
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| Obra Lato Open 2017 | Obra | POL | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1408 | 1344 | 2.50 | 9 | -1.48 | 40 | -59.20 | |
|  Jankowiak, Piotr | | | 1744 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Szczepaniak, Artur | | | 1640 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Trochimowicz, Bartosz | | | 1290 | POL | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Szymkowiak, Damian | | | 1682 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Chromicz, Andrzej | | | 1311 | POL | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Szczepaniak, Jakub | | | 1181 | POL | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Mozdzanowski, Filip | | | 1329 | POL | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Urbaniak, Marcin | | | 1278 | POL | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Zielinski, Tomasz | | | 1215 | POL | 0.50 | 1 | -0.17 | 40 | -6.80 | | | * 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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