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Individual Calculations August 2019 |
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| Piotrowski, Grzegorz Total change: -9.00 | |   |
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| Najdorf Chess Festival gr. B | Warszawa | POL | 2019-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1821 | 5.00 | 9 | -0.45 | 20 | -9.00 | |
|  Krasniewski, Szymon | | | 1627 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Plichta, Krzysztof | | | 1582 | POL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Szelag, Zuzanna | | | 1942 | POL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Koloczek, Maciej | | | 1951 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Slabicki, Andrzej | | | 1957 | POL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Janeczko, Jakub | | | 1663 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Dalkowski, Rafal | | | 1731 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Sadlak, Rafal | | | 1599 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Warchol, Kamil | c | | 1573 | POL | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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) | | |
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