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Individual Calculations July 2015 |
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| Grabcheva, Natalia Total change: 53.60 | |   |
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| 146th MGU open | Sofia | BUL | 2015-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1622 | 3.00 | 5 | 1.34 | 40 | 53.60 | |
|  Orev, Petar | m | | 2022 * | BUL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Mladenov, Andrey | | | 1707 | BUL | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Berberyan, Maruke | | | 1525 | BUL | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Simov, Zahari | | | 1694 | BUL | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Patev, Petko | | | 1897 | BUL | 1.00 | 1 | 0.83 | 40 | 33.20 | | | * 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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