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Individual Calculations July 2009 |
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| Tsekova, Viktoria Total change: -6.25 | |   |
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| Bulgarian Chess championship for girls 16 years old | Sunny Beach | BUL | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1892 | 1.50 | 3 | -0.25 | 25 | -6.25 | |
|  Sirkova, Darena | | | 1964 | BUL | 0.50 | 1 | 0.10 | 25 | 2.50 | | | Krumova, Ani | | | 1890 | BUL | 0.50 | 1 | 0.00 | 25 | 0.00 | |  Miteva, Silvena | | | 1599 | BUL | 0.50 | 1 | -0.35 | 25 | -8.75 | |
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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