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Individual Calculations October 2021 |
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| Bratimirova, Dimitrinka Total change: -2.00 | |   |
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| Primorsko Open B 2021 | Primorsko | BUL | 2021-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1775 | 3.00 | 5 | -0.10 | 20 | -2.00 | |
|  Nenkov, Ljudmil | | | 2175 * | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Dimitrov, Ivan | | | 1636 | BUL | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Hristova, Ivelina | | | 1525 | BUL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Kosturkov, Hristo | | | 1573 | BUL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Shevtsova, Stefania | | | 1577 | RUS | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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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