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Individual Calculations October 2021 |
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| Petri, Ben-Luca Total change: -29.20 | |   |
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| Sunny Beach Open 2021 | Sunny Beach | BUL | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1849 | 4.00 | 8 | -1.46 | 20 | -29.20 | |
|  Zavivalkin, Alexandr | | | 1449 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Dimov, Danail | | | 1698 | BUL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Rasheva, Nora | | wc | 1662 | BUL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Kopev, Daniel | | | 1491 | BUL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Ivanov, Igor | | | 1791 | RUS | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Smolin, Sergey | m | | 2144 | UKR | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Koelbl, Wolfgang | | | 1816 | GER | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Vorobyova, Sofia | | | 1449 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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