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Individual Calculations March 2015 |
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| Petkov, Matey Total change: -30.80 | |   |
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| Bulgarian individual championship U20 | Sofia | BUL | 2015-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 2021 | 2.50 | 5 | -0.77 | 40 | -30.80 | |
|  Petrov, Anton | | | 1625 | BUL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Rafailov, Radostin | | | 1962 | BUL | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Yordanov, Georgi | | | 1750 | BUL | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Petrov, Vladimir Sergeev | | | 2087 | BUL | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Dyulgerov, Dimitar | | | 2000 | BUL | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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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