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Individual Calculations July 2009 |
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| Andreev, Andrey Total change: -25.25 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1889 | 0.50 | 3 | -1.01 | 25 | -25.25 | |
|  Iliev, Atanas | | | 1957 | BUL | 0.00 | 1 | -0.41 | 25 | -10.25 | |  Konstantinov, Aleksandar | | | 1878 | BUL | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Ivanov, Aleksandar | | | 1833 | BUL | 0.00 | 1 | -0.58 | 25 | -14.50 | |
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) | | |
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