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Rapid:
Individual Calculations September 2020 |
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| Toncheva, Nadya Total change: 36.80 | |   |
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| Bulgarian individual chess championship U16 - Girls - 2020 Rapid | Asenovgrad | BUL | 2020-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1871 | 4.00 | 4 | 0.22 | 20 | 4.40 | |
|  Ilieva, Ralitsa | | | 1434 | BUL | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Naymanova, Patricie | | | 1524 | BUL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Petkova, Irina | | | 1204 | BUL | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Anastasova, Yoana | | | 1372 | BUL | 1.00 | 1 | 0.04 | 20 | 0.80 | |
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) | | | | XXVII Abritus Cup - Razgrad | Razgrad | BUL | 2020-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1871 | 3.50 | 6 | 1.62 | 20 | 32.40 | |
| | Yordanov, Lachezar | f | | 2155 | BUL | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Yordanov, Nikolay Plamenov | f | | 2261 | BUL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Zhelyazkov, Aleksandar | | | 1244 | BUL | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Nikolov, Krasen | | | 1928 | BUL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Shukin, Emil | | | 2189 | BUL | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Raev, Rostislav | | | 2248 | BUL | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | |
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