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Individual Calculations July 2009 |
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| Todorova, Kalina Total change: -20.55 | |   |
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| Bulgarian individual chess championship girls 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1810 | 2.00 | 5 | -0.68 | 15 | -10.20 | |
|  Gradevska, Desislava | | | 1721 | BUL | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Sirkova, Darena | | | 1942 | BUL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Kosturska, Yoana | | | 1822 | BUL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Harizanova, Elitsa | | | 1637 | BUL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Vasova, Mariya | | | 1791 | BUL | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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 |
| 1789 | 1810 | 1.00 | 3 | -0.58 | 15 | -8.70 | |
| | Gradevska, Desislava | | | 1742 | BUL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Kosturska, Yoana | | | 1822 | BUL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Dimitrova, Aseniya | | | 1802 | BUL | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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 Bulgarian Women's Team Championship 2009, Group A WOMEN | Sunny Beach | BUL | 2009-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1810 | 0.00 | 1 | -0.11 | 15 | -1.65 | |
| | Collas, Silvia | m | wg | 2160 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | |
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