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Individual Calculations August 2018 |
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| Przewlocki, Marcin Total change: -20.40 | |   |
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| 18th INTERNATIONAL NAJDORF CHESS FESTIVAL Gr. C | Warszawa | POL | 2018-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1290 | 1149 | 0.50 | 3 | -0.51 | 40 | -20.40 | |
|  Wiatrowski, Zbigniew | | | 1483 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Wierzchowski, Grzegorz | | | 1375 | POL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Szczygielska, Barbara | | | 1012 | POL | 0.50 | 1 | -0.18 | 40 | -7.20 | |
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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