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Individual Calculations September 2017 |
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| Kozlowski, Tomasz Total change: -25.40 | |   |
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| Obra Lato Open 2017 | Obra | POL | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1918 | 5.00 | 9 | 0.21 | 20 | 4.20 | |
|  Drobka, Marcin | | | 1544 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Stochnialek, Dominika | | | 1719 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Dryja, Szymon | | | 1824 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Darowicki, Mariusz | | | 1942 | POL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Kostecka, Marika | | | 1761 | POL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Korbal, Arkadiusz | | | 2159 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Zolnierowicz, Krzysztof | m | | 2067 | POL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Simon, Marek | | | 1837 | POL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Kubicki, Marek | | | 2151 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | 25th Poznan Chess Festival | Poznan | POL | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1918 | 5.00 | 9 | -1.48 | 20 | -29.60 | |
| | Szafranski, Maciej | | | 1518 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Schmidt, Wlodzimierz | g | | 2272 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Zurawski, Kamil | | | 1665 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Wojciechowski, Antoni | | | 1581 | POL | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Korpalska, Joanna | | | 1733 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Grochowski, Michal | | | 1617 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Kupsik, Joanna | | | 1703 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lisiecki, Robert | | | 1772 | POL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Walkowski, Milosz | | | 1772 | POL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * 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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