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Individual Calculations July 2021 |
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| Bienias, Piotr Total change: -3.60 | |   |
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| IV Liga Dolnoslaska 2020/2021 - okreg wroclawski r 3-6 | Dolny Slask | POL | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1902 | 0.50 | 1 | -0.15 | 20 | -3.00 | |
|  Madajczak, Piotr | | | 1789 | POL | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | III Dolnoslaska Liga Szachowa 2020/2021 1, 4-11 | Dolny Slask | POL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1902 | 3.00 | 5 | -0.03 | 20 | -0.60 | |
| | Grossmann, Ryszard | f | | 1952 | POL | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Olchawa, Slawomir | | | 1523 | POL | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Plotka, Wojciech | | | 2015 | POL | 1.00 | 1 | 0.65 | 20 | 13.00 | |  Borowski, Przemyslaw | | | 1826 | POL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Witkowski, Krzysztof | | | 1721 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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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