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Individual Calculations May 2010 |
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| Sirkova, Darena Total change: -49.50 | |   |
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| Bulgarian Chess Championship for Girls 20 years old | Sofia | BUL | 2010-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 2086 | 5.00 | 9 | -1.64 | 15 | -24.60 | |
|  Stefanova, Milena | | | 1991 | BUL | 1.00 | 1 | 0.37 | 15 | 5.55 | |  Todorova, Kalina | | | 1786 | BUL | 0.00 | 1 | -0.85 | 15 | -12.75 | | | Vladimirova, Maria | | wf | 2039 | BUL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Tsekova, Viktoria | | | 1860 | BUL | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Ivanova, Simoneta | | | 1816 | BUL | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Galunova, Tsveta | | | 1984 | BUL | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Naydenova, Yordanka | | | 1883 | BUL | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Krumova, Ani | | | 1905 | BUL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Venkova, Polina | | | 1818 | BUL | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | Bulgarian Chess Championship for Girls 16 years old | Plovdiv | BUL | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2086 | 1.50 | 3 | -0.71 | 15 | -10.65 | |
| | Krumova, Ani | | | 1905 | BUL | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Venkova, Polina | | | 1818 | BUL | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Galunova, Tsveta | | | 1984 | BUL | 0.50 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | 59th Bulgarian Individual Chess Championship - Women | Dupnitsa | BUL | 2010-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2086 | 3.00 | 10 | -0.95 | 15 | -14.25 | |
| | Genova, Lyubka | | wm | 2277 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Gocheva, Rumiana B. | | wm | 2164 | BUL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Ivanova, Simoneta | | | 1816 | BUL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Nikolova, Adriana | | wm | 2348 | BUL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Videnova, Iva | | wm | 2258 | BUL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Raeva, Elitsa | | wm | 2238 | BUL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Voiska, Margarita | | wg | 2320 | BUL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Yordanova, Svetla | | wm | 2140 | BUL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Galunova, Tsveta | | | 1984 | BUL | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Bednikova, Stefi | | | 2113 | BUL | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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