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Individual Calculations July 2009 |
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| Gradevska, Desislava Total change: 38.70 | |   |
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| Bulgarian individual chess championship girls 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1721 | 4.00 | 6 | 1.69 | 15 | 25.35 | |
|  Todorova, Kalina | | | 1810 | BUL | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Naydenova, Yordanka | | | 1896 | BUL | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Stefanova, Milena | | | 2016 | BUL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Harizanova, Marina | | | 1679 | BUL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Hristova, Hristina | | | 1849 | BUL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Harizanova, Elitsa | | | 1637 | BUL | 1.00 | 1 | 0.38 | 15 | 5.70 | |
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 18 years old | Sunny Beach | BUL | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1811 | 1742 | 1.00 | 3 | -0.22 | 15 | -3.30 | |
| | Dimitrova, Aseniya | | | 1802 | BUL | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Todorova, Kalina | | | 1810 | BUL | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Kosturska, Yoana | | | 1822 | BUL | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | 5th World School Chess Championship - Open U17 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1742 | 3.00 | 8 | 0.43 | 15 | 6.45 | |
| | Iordanidou, Zoi | | | 2092 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tausanov, Mihail | | | 1931 | MKD | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Okun, Evgeny | | | 2066 | RUS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Haritopoulou, Maria-Anna | | | 1665 | GRE | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Danilova, Tatiana | | | 1856 | RUS | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Espinoza Palomino, Willyam | c | | 2092 | PER | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fiesco, Ivon Gigiola | | | 1971 | COL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Salahidou, Galini | | | 1488 | GRE | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 42-nd Team Ch (w) 2nd Division | Sunny Beach | BUL | 2009-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1742 | 2.00 | 6 | 0.68 | 15 | 10.20 | |
| | Parvanova, Desislava | | | 2009 | BUL | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Kantardzhieva, Toni | | | 1908 | BUL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Maneva, Ani | | | 1981 | BUL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Parvanova, Desislava | | | 2009 | BUL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Kantardzhieva, Toni | | | 1908 | BUL | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Maneva, Ani | | | 1981 | BUL | 1.00 | 1 | 0.80 | 15 | 12.00 | |
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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