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Individual Calculations August 2018 |
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| Omar, Mohamed Total change: -6.20 | |   |
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| 18th INTERNATIONAL NAJDORF CHESS FESTIVAL Gr. B | Warszawa | POL | 2018-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1670 | 1794 | 5.00 | 8 | -0.31 | 20 | -6.20 | |
|  Bak, Mariusz | | | 1586 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Bajkowski, Marcin | | | 1919 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Basiaga, Sebastian | | | 1647 | POL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Bartodziej, Bartosz | | | 1544 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Karpinski, Ryszard | | | 1653 | POL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Lendzion, Kamil | | | 1663 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Haliniak, Wojciech | | | 1679 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Ostrowska, Joanna | | | 1665 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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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