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Individual Calculations May 2015 |
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| Petkova, Nadezhda Total change: -11.60 | |   |
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| Bulgarian chess championship for girls U16 - 2015 | Plovdiv | BUL | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1597 | 2.00 | 5 | -0.29 | 40 | -11.60 | |
|  Dimitrova, Darina | | | 1623 | BUL | 1.00 | 1 | 0.54 | 40 | 21.60 | |  Ilieva, Nikol | | | 1703 | BUL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Dimitrova, Gergana | | | 1584 | BUL | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Ilieva, Gabriela | | | 1404 | BUL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Shivacheva, Donika | | | 1841 | BUL | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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