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Individual Calculations August 2018 |
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| Bartosik, Piotr Total change: -13.40 | |   |
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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 |
| 1752 | 1912 | 5.00 | 8 | -0.67 | 20 | -13.40 | |
|  Tarka, Aleksandra | | | 1679 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Gajewski, Dariusz | | | 1789 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Vanduyfhuys, Igor | | | 1732 | BEL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Michalska, Aleksandra | | | 1690 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Gasiorek, Dariusz | | | 1873 | POL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Matyszkiewicz, Wiktor | | | 1771 | POL | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Pawicka, Magdalena | | | 1718 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Gajzner, Ryszard | | | 1763 | POL | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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