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Individual Calculations September 2021 |
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| Madajczak, Piotr Total change: 45.60 | |   |
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| Wroclaw OPEN 2021- group A | Wroclaw | POL | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1853 | 5.00 | 9 | 1.56 | 40 | 62.40 | |
|  Bielinski, Dariusz | | | 2143 | POL | 1.00 | 1 | 0.84 | 40 | 33.60 | |  Piotrowski, Przemyslaw | f | | 2241 | POL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Vanduyfhuys, Daria | | wf | 2101 | BEL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Schletter, Felix | | | 1759 | GER | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Bielan, Jakub | | | 1821 | POL | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Kejna, Piotr | c | | 1722 | POL | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Smietanska, Wiktoria | c | | 1808 | POL | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Rog, Bartlomiej | | | 1981 | POL | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Althoff, Ralph | | | 2041 | GER | 1.00 | 1 | 0.74 | 40 | 29.60 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN A | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1853 | 2.00 | 8 | -0.42 | 40 | -16.80 | |
| | Durand-Le Ludec, Brendan-Bubok | | | 2197 | FRA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Majek, Kacper | | | 2011 | POL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Szyszylo, Rafal | | | 2179 | POL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Smietanska, Wiktoria | c | | 1808 | POL | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Bojczewski, Mateusz | | | 1922 | POL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Bugalski, Michal | | | 2225 | POL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Hetzer, Volkhard | | | 1925 | GER | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Antoniewicz, Jakub | | | 1912 | POL | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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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