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Individual Calculations August 2021 |
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| Piekos, Piotr Total change: 0.00 | |   |
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| Najdorf Chess Festival 2021 gr. B | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1576 | 0 | 5.50 | 9 | 0.00 | 1616 | | 0.00 | |
|  Staszewski, Krzysztof | | | 1455 | POL | 0.50 | 1 | 0.00 | | 0.00 | |  Kopaczewski, Zbigniew | | | 1487 | POL | 1.00 | 1 | 0.00 | | 0.00 | | | Dudek, Radoslaw | | | 1490 | POL | 1.00 | 1 | 0.00 | | 0.00 | | | Wilgosz, Jan | | | 1561 | POL | 1.00 | 1 | 0.00 | | 0.00 | | | Michalowski, Patryk | | | 1770 | POL | 0.00 | 1 | 0.00 | | 0.00 | | | Wilczynski, Adam | | | 1521 | POL | 1.00 | 1 | 0.00 | | 0.00 | | | Janik, Marcin | | | 1704 | POL | 0.50 | 1 | 0.00 | | 0.00 | | | Jaroszuk, Marcin | | | 1571 | POL | 0.50 | 1 | 0.00 | | 0.00 | | | Mrozinski, Mateusz | | | 1623 | POL | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Warsaw Chess Open - B | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1710 | 0 | 1.00 | 3 | 0.00 | 1585 | | 0.00 | |
| | Kowalczyk, Adam | | | 1911 | POL | 0.00 | 1 | 0.00 | | 0.00 | | | Kwiecinski, Rafal | | | 1538 | POL | 1.00 | 1 | 0.00 | | 0.00 | | | Socko, Weronika | | | 1682 | POL | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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