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Individual Calculations May 2010 |
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| Kosturska, Yoana Total change: 6.90 | |   |
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| Bulgarian Chess Championship for Girls 18 years old | Plovdiv | BUL | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1819 | 4.00 | 6 | 0.46 | 15 | 6.90 | |
|  Vasileva, Veronika | | | 1641 | BUL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Todorova, Kalina | | | 1786 | BUL | 0.50 | 1 | -0.05 | 15 | -0.75 | |  Ivanova, Gergana | | | 1682 | BUL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Dimitrova, Aseniya | | | 1729 | BUL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Trifonova, Sandra | | | 2010 | BUL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Miteva, Silvena | | | 1659 | BUL | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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