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Individual Calculations July 2009 |
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| Georgiev, Ivan Georgiev Total change: -14.75 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1814 | 0.50 | 4 | -0.59 | 25 | -14.75 | |
|  Georgiev, Steljan | | | 2164 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kirov, Dimitar | | | 2116 | BUL | 0.00 | 1 | -0.15 | 25 | -3.75 | |  Petrov, Plamen | | | 1875 | BUL | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Konstantinov, Aleksandar | | | 1878 | BUL | 0.50 | 1 | 0.09 | 25 | 2.25 | |
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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