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Individual Calculations September 2021 |
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| Kejna, Piotr Total change: 205.96 | |   |
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| Wroclaw OPEN 2021- group A | Wroclaw | POL | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1722 | 4.50 | 9 | 2.25 | 38 | 85.50 | |
|  Leipert, Pieter | | | 1951 | GER | 0.50 | 1 | 0.29 | 38 | 11.02 | |  Althoff, Ralph | | | 2041 | GER | 0.50 | 1 | 0.37 | 38 | 14.06 | | | Maksimenko, Andrei Jr | | | 1903 | UKR | 0.00 | 1 | -0.26 | 38 | -9.88 | | | Demski, Michal | | | 1831 | POL | 0.50 | 1 | 0.15 | 38 | 5.70 | | | Quinn, Rory | | | 2109 | IRL | 0.50 | 1 | 0.41 | 38 | 15.58 | | | Madajczak, Piotr | | | 1853 | POL | 0.50 | 1 | 0.18 | 38 | 6.84 | | | Raczek, Krzysztof | | | 1948 | POL | 0.50 | 1 | 0.29 | 38 | 11.02 | | | Kowalczyk, Wojciech | | | 1959 | POL | 1.00 | 1 | 0.80 | 38 | 30.40 | | | Grot, Blazej | c | | 1733 | POL | 0.50 | 1 | 0.02 | 38 | 0.76 | |
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 |
| 2041 | 1722 | 4.50 | 9 | 3.17 | 38 | 120.46 | |
| | Goraj, Barbara | | wc | 2105 | POL | 0.50 | 1 | 0.41 | 38 | 15.58 | | | Kaczmarek, Aleksander | f | | 2122 * | POL | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Vanduyfhuys, Daria | | wf | 2101 | BEL | 0.50 | 1 | 0.41 | 38 | 15.58 | | | Praczukowski, Stanislaw | | | 2073 | POL | 0.00 | 1 | -0.11 | 38 | -4.18 | | | Dziewonski, Dariusz | | | 1936 | POL | 0.50 | 1 | 0.27 | 38 | 10.26 | | | Majocha, Piotr | | | 1978 | POL | 0.00 | 1 | -0.19 | 38 | -7.22 | | | Smietanska, Wiktoria | c | | 1808 | POL | 1.00 | 1 | 0.62 | 38 | 23.56 | | | Bugalski, Michal | | | 2122 * | POL | 1.00 | 1 | 0.92 | 38 | 34.96 | | | Kuegel, Tobias | c | | 2122 * | GER | 1.00 | 1 | 0.92 | 38 | 34.96 | | | * 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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