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Individual Calculations September 2017 |
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| Butkiewicz, Piotr Total change: -69.20 | |   |
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| 53. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - Open E | Polanica-Zdroj | POL | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1122 | 1323 | 0.50 | 3 | -1.73 | 40 | -69.20 | |
|  Demski, Jakub | | | 1059 | POL | 0.50 | 1 | -0.32 | 40 | -12.80 | |  Maslanka, Wojciech | | | 1273 | POL | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Nieckarz, Maja | | | 1033 | POL | 0.00 | 1 | -0.84 | 40 | -33.60 | |
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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