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Individual Calculations April 2021 |
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| Lewandowski, Kacper Total change: 15.20 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2021 Round 4-7 | mazowieckie | POL | 2021-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1271 | 0.00 | 2 | -0.16 | 40 | -6.40 | |
|  Liberadzki, Slawomir | | | 1671 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Powalka, Michal | | | 1671 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Otwarta Liga Mazowiecka 2021 Round 7-10 | mazowieckie | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1265 | 2.00 | 4 | 0.54 | 40 | 21.60 | |
| | Orszulak, Franciszek | | | 1266 | POL | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Oblakowski, Oskar | | | 1239 | POL | 0.00 | 1 | -0.54 | 40 | -21.60 | |  Liszewski, Krzysztof | | | 1380 | POL | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Krupa, Bartlomiej | | | 1665 * | POL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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