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Rapid:
Individual Calculations May 2012 |
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| Valeva, Ana Total change: 16.80 | |   |
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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 |
| 1805 | 1454 | 0.50 | 4 | 0.04 | 20 | 0.80 | |
|  Galunova, Tsveta | | | 1854 * | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pencheva, Iva | | | 1816 | BUL | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Milanova, Maria | | | 1852 | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Miteva, Silvena | | | 1699 | BUL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 12 years old 2012 Rapid | Plovdiv | BUL | 2012-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1448 | 1.00 | 1 | 0.80 | 20 | 16.00 | |
| | Petkova, Nadezhda | | | 1685 | BUL | 1.00 | 1 | 0.80 | 20 | 16.00 | |
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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