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Individual Calculations October 2023 |
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| Sielicki, Tomasz Total change: -2.80 | |   |
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| Druzynowe Mistrzostwa Polski - II Liga 2023 | Jastrzebia Gora | POL | 2023-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1956 | 1.00 | 3 | -0.55 | 20 | -11.00 | |
|  Papka, Sebastian | | | 2107 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Walaszczyk, Aleksander | | | 1692 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Majocha, Piotr | | | 2004 | POL | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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) | | | | World Senior Team Chess Championship 2023 S50 | Struga | MKD | 2023-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2129 | 1956 | 2.50 | 6 | 0.41 | 20 | 8.20 | |
| | Barandiaran, Gabriel | | | 1897 | URU | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Flear, Glenn C | g | | 2405 | ENG | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Guo, Yun | | wf | 2244 | CHN | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Puroila, Sippo | | | 1790 | FIN | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Perrett, David C | | | 1924 | WLS | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Novikov, Igor | g | | 2513 | USA | 0.00 | 1 | -0.03 | 20 | -0.60 | |
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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