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Individual Calculations July 2009 |
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| Vasileva, Veronika Total change: 14.45 | |   |
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| Bulgarian individual chess championship girls 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1570 | 1.00 | 3 | 0.35 | 25 | 8.75 | |
|  Sirkova, Darena | | | 1920 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Harizanova, Elitsa | | | 1637 | BUL | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Naydenova, Yordanka | | | 1896 | BUL | 1.00 | 1 | 0.87 | 25 | 21.75 | |
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) | | | NOTE: K factor changed | | Bulgarian Chess championship for girls 14 years old | Sunny Beach | BUL | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1763 | 1584 | 1.50 | 4 | 0.38 | 15 | 5.70 | |
| | Ivanova, Alexandra | | | 1598 | BUL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Dragieva, Denitza | | | 1752 | BUL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Galunova, Tsveta | | | 1885 | BUL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Venkova, Polina | | | 1815 | BUL | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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