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Individual Calculations May 2012 |
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| Valeva, Ana Total change: -0.90 | |   |
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| Bulgarian Chess Championship for Girls 20 years old 2012 | Shumen | BUL | 2012-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 1454 | 0.00 | 4 | -0.67 | 30 | -20.10 | |
|  Milanova, Maria | | | 1852 | BUL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Vasileva, Veronika | | | 1732 | BUL | 0.00 | 1 | -0.17 | 30 | -5.10 | |  Petrova, Boryana | | | 1701 | BUL | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Jordanova, Joana | | | 1669 | BUL | 0.00 | 1 | -0.23 | 30 | -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) | | | NOTE: K factor changed | | Bulgarian Chess Championship for Girls 12 years old 2012 | Plovdiv | BUL | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1448 | 3.00 | 5 | 1.28 | 15 | 19.20 | |
| | Brezalieva, Steliyana | | | 1482 | BUL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Radeva, Viktoria | | wc | 1809 | BUL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Strateva, Margarita | | | 1358 | BUL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Balimezova, Margarita | | | 1557 | BUL | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Petkova, Nadezhda | | | 1685 | BUL | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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