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Individual Calculations April 2023 |
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| Grzelak, Marcin Total change: -4.80 | |   |
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| III Wielkopolska Liga Seniorow 2023 Round 1-3 | Poznan | POL | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1786 | 1.00 | 3 | -0.24 | 20 | -4.80 | |
|  Tomczak, Michal | | | 1892 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Kowalewicz, Kacper | | | 1840 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Glatty, Zbigniew | | | 1814 | POL | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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