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Rapid:
Individual Calculations May 2012 |
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| Petkova, Nadezhda Total change: -37.20 | |   |
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| Bulgarian Chess Championship for Girls 12 years old 2012 Rapid | Plovdiv | BUL | 2012-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1685 | 1.00 | 4 | -1.86 | 20 | -37.20 | |
|  Strateva, Margarita | | | 1358 | BUL | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Radeva, Viktoria | | wc | 1738 | BUL | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Brezalieva, Steliyana | | | 1482 | BUL | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Valeva, Ana | | | 1448 | BUL | 0.00 | 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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