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Individual Calculations September 2021 |
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| Kowalczyk, Rafal Total change: -36.80 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN A | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2272 | 5.00 | 9 | -1.84 | 20 | -36.80 | |
|  Dziewonski, Dariusz | | | 1936 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Zilka, Stepan | g | | 2577 | CZE | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Majek, Kacper | | | 2011 | POL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Paprocki, Antoni | | | 1982 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Rog, Bartlomiej | | | 1981 | POL | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Praczukowski, Stanislaw | | | 2073 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Giacomini, Hector | | | 2104 | FRA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Czechowski, Jakub | | | 1890 | POL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Paszkowski, Krystian | | | 1872 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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