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Individual Calculations September 2021 |
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| Wziatek, Marek Total change: -30.20 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN C | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 1647 | 4.00 | 7 | 1.41 | 20 | 28.20 | |
|  Gromczak, Dariusz | | | 1885 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | |  Twarogiel, Tadeusz | | | 1883 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Mazalon, Mariusz | | | 2014 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Nowak, Adam | | | 1350 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Aleksandrowicz, Marek | | | 1868 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Dec, Kazimierz | | | 1347 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Sielicki, Tomasz | | | 1916 | POL | 1.00 | 1 | 0.83 | 20 | 16.60 | |
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 D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1647 | 2.50 | 7 | -2.92 | 20 | -58.40 | |
| | Stachowiak, Bruno | | | 1345 | POL | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Zyto, Karol | | | 1338 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Karalchuk, Aliaksei | | | 1478 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Stefaniuk, Zbigniew | | | 1505 | POL | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Kedrzynski, Adam | | | 1473 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Walaszczyk, Aleksander | | | 1392 | POL | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Karp, Kacper | | | 1443 | POL | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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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