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Individual Calculations July 2009 |
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| Atanasov, Viktor Total change: -40.75 | |   |
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| Bulgarian Individual Championship for juniors 14 years old | Sunny Beach | BUL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1827 | 0.50 | 3 | -0.75 | 25 | -18.75 | |
|  Todorov, Petar G. | | | 1739 | BUL | 0.50 | 1 | -0.12 | 25 | -3.00 | |  Galunova, Tsveta | | | 1891 | BUL | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Ninchev, Daniel | | | 2048 | BUL | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | SARA Cup | Burgas | BUL | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1827 | 1.00 | 4 | -0.88 | 25 | -22.00 | |
| | Todorov, Petar G. | | | 1727 | BUL | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Ninchev, Daniel | | | 2048 | BUL | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Ivanov, Iliyan | | | 1839 | BUL | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Valev, Valentin | | | 1799 | BUL | 0.50 | 1 | -0.04 | 25 | -1.00 | |
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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