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Individual Calculations April 2023 |
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| Choroszej, Aleksander Total change: -36.20 | |   |
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| 271st YMCA Winter 2023-A Round 8-11 | Warszawa | POL | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 2035 | 3.50 | 7 | -1.75 | 20 | -35.00 | |
|  Terkiewicz, Bruno | | | 1974 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | |  Polak, Michal | | | 1915 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Rylski, Tadeusz | | | 1808 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Safanowski, Tomasz | | | 1727 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Sternik, Piotr | | | 1746 | POL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Pettersson, Alexander | | | 1826 | SWE | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Kasperkiewicz, Pawel | | | 1846 | POL | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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) | | | | Druzynowe Mistrzostwa Mazowsza 2023 Round 7-10 | woj. mazowieckie | POL | 2023-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2035 | 0.50 | 1 | -0.06 | 20 | -1.20 | |
| | Czapla, Andrzej | | | 1994 | POL | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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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