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Individual Calculations July 2021 |
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| Kowalczuk, Wojciech Total change: 9.20 | |   |
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| III Dolnoslaska Liga Szachowa 2020/2021 1, 4-11 | Dolny Slask | POL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2019 | 4.50 | 6 | 0.46 | 20 | 9.20 | |
|  Witkowski, Krzysztof | | | 1721 | POL | 0.00 | 1 | -0.85 | 20 | -17.00 | |  Ostafinski, Maciej | | | 1619 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zminda, Bogdan | | | 1948 | POL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Kossobudzki, Robert | | | 2100 | POL | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Topola, Rafal | | | 1865 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Kowalczyk, Wojciech | | | 1970 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | | | * 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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