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Individual Calculations October 2021 |
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| Rahnev, Alexander Total change: -16.00 | |   |
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| Primorsko Open A 2021 | Primorsko | BUL | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 2049 | 0.50 | 1 | -0.23 | 20 | -4.60 | |
|  Ciftci, Zeynep | | | 1874 | TUR | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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) | | | | Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 2049 | 2.00 | 3 | -0.57 | 20 | -11.40 | |
| | Trendafilov, Simeon | | | 1649 * | BUL | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Shevtsov, Demyan | | | 1649 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zlatanova, Emilia | | wm | 1878 | BUL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | * 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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