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Individual Calculations September 2020 |
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| Kejna, Piotr Total change: 4.80 | |   |
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| Wroclaw Open 2020 - Group B | Wroclaw | POL | 2020-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1767 | 4.00 | 7 | -0.59 | 40 | -23.60 | |
|  Tavernier, Loris | | | 1390 | FRA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Dytman, Radoslaw | | | 1919 | POL | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Witkowski, Krzysztof | | | 1791 | POL | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Zerebiec, Maurycy | | | 1789 | POL | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Brzechffa, Szymon | | | 1594 | POL | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Salamon, Julia | | | 1421 | POL | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Klisowski, Bartosz | | | 1509 | POL | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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) | | | | 56th Akiba Rubinstein Chess Festival - Open C | Polanica-Zdroj | POL | 2020-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1767 | 6.00 | 9 | 0.71 | 40 | 28.40 | |
| | Halhoul, Adam | | | 1579 | POL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Adamczewski, Maciej | | | 2045 | POL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ciborowski, Konrad Jr | | | 1464 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Panczuk, Grzegorz | | | 1695 | POL | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Demski, Michal | | | 1617 | POL | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Jedrzejko, Martyna | | | 1570 | POL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Lewandrowski, Tomasz | | | 1879 | POL | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Urbaniak, Karol | | | 1612 | POL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Rudecki, Bartosz | | | 1831 | POL | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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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