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Rapid:
Individual Calculations May 2012 |
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| Pencheva, Iva Total change: -4.00 | |   |
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| Bulgarian Chess Championship for Girls 20 years old 2012 rapid | Shumen | BUL | 2012-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1816 | 2.00 | 4 | -0.18 | 20 | -3.60 | |
|  Sirkova, Darena | | wf | 2086 | BUL | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Valeva, Ana | | | 1454 | BUL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Milanova, Maria | | | 1852 | BUL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Miteva, Silvena | | | 1699 | BUL | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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 2012 Rapid | Plovdiv | BUL | 2012-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1788 | 1.00 | 3 | -0.02 | 20 | -0.40 | |
| | Dragieva, Denitza | | | 1998 | BUL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Ivanova, Simoneta | | | 1963 | BUL | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Spasova, Tsvetelina | | | 1771 | BUL | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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