Individual Calculations July 2009 |
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Kosturska, Yoana Total change: 27.00 | | |
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Bulgarian individual chess championship girls 20 | Sofia | BUL | 2009-03-09 |
Rc | Ro | w | n | change | K | K*chg | Game |
1859 | 1822 | 3.00 | 5 | 0.74 | 25 | 18.50 | |
| Harizanova, Marina | | | 1679 | BUL | 1.00 | 1 | 0.31 | 25 | 7.75 | | Stefanova, Milena | | | 2016 | BUL | 0.00 | 1 | -0.25 | 25 | -6.25 | | Todorova, Kalina | | | 1810 | BUL | 1.00 | 1 | 0.48 | 25 | 12.00 | | Hristova, Hristina | | | 1849 | BUL | 0.00 | 1 | -0.46 | 25 | -11.50 | | Sirkova, Darena | | | 1942 | BUL | 1.00 | 1 | 0.66 | 25 | 16.50 | | 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 |
1785 | 1822 | 2.00 | 3 | 0.34 | 25 | 8.50 | |
| Dimitrova, Aseniya | | | 1802 | BUL | 0.00 | 1 | -0.53 | 25 | -13.25 | | Todorova, Kalina | | | 1810 | BUL | 1.00 | 1 | 0.48 | 25 | 12.00 | | Gradevska, Desislava | | | 1742 | BUL | 1.00 | 1 | 0.39 | 25 | 9.75 | | 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) | |
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