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Individual Calculations May 2010 |
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| Venkova, Polina Total change: -24.60 | |   |
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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 |
| 1928 | 1818 | 1.00 | 9 | -2.21 | 15 | -33.15 | |
|  Todorova, Kalina | | | 1786 | BUL | 0.00 | 1 | -0.54 | 15 | -8.10 | |  Tsekova, Viktoria | | | 1860 | BUL | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Galunova, Tsveta | | | 1984 | BUL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Krumova, Ani | | | 1905 | BUL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Stefanova, Milena | | | 1991 | BUL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Vladimirova, Maria | | wf | 2039 | BUL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Ivanova, Simoneta | | | 1816 | BUL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Naydenova, Yordanka | | | 1883 | BUL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Sirkova, Darena | | | 2086 | BUL | 0.00 | 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 |
| 1929 | 1818 | 2.00 | 4 | 0.57 | 15 | 8.55 | |
| | Georgieva, Marina | | | 1742 | BUL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Sirkova, Darena | | | 2086 | BUL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Krumova, Ani | | | 1905 | BUL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Galunova, Tsveta | | | 1984 | BUL | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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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