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Individual Calculations August 2019 |
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| Ptaszek, Piotr Total change: -16.80 | |   |
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| Najdorf Chess Festival gr. B | Warszawa | POL | 2019-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1851 | 5.00 | 9 | -0.84 | 20 | -16.80 | |
|  Kowalik, Pawel | | | 1677 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Janeczko, Jakub | | | 1663 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Zdybel, Przemyslaw | | | 1710 | POL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Radecki, Wojciech | | | 1728 | POL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Dalkowski, Rafal | | | 1731 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Sidorczuk, Pawel | | | 1599 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Warchol, Kamil | c | | 1573 | POL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kardys, Zbigniew | | | 1950 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Pawlowski, Maciej | | | 1964 | POL | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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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