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Individual Calculations September 2021 |
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| Kaczmarek, Piotr Total change: 2.20 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN C | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1621 | 4.00 | 7 | 0.11 | 20 | 2.20 | |
|  Krasenkova, Elena | | wm | 2021 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Wilczynski, Adam | | | 1501 | POL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Sobotka, Jan | | | 1578 | POL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Jaremczyk, Antoni | | | 1443 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mazur, Jan | | | 1326 | POL | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Prokopczuk, Antoni | | | 1387 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Bukowska, Katarzyna | | | 1845 | POL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | * 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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