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Individual Calculations May 2012 |
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| Raykov, Stefan Total change: -2.70 | |   |
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| Bulgarian Chess Championship for Juniors 12 years old 2012 | Plovdiv | BUL | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1596 | 1749 | 2.50 | 4 | -0.18 | 15 | -2.70 | |
|  Valchinov, Martin | | | 1380 | BUL | 0.50 | 1 | -0.40 | 15 | -6.00 | |  Petrov, Martin | | | 1901 | BUL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Georgiev, Ivan | | | 1442 | BUL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Vasilev, Kristian | | | 1660 | BUL | 0.50 | 1 | -0.12 | 15 | -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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