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Individual Calculations May 2010 |
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| Valev, Valentin Total change: -9.60 | |   |
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| Bulgarian Chess Championship for Juniors 12 years old | Plovdiv | BUL | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1913 | 2.00 | 4 | -0.64 | 15 | -9.60 | |
|  Petrov, Vladimir Sergeev | | | 1693 | BUL | 0.50 | 1 | -0.28 | 15 | -4.20 | |  Todorov, Yavor | | | 1964 | BUL | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Hristov, Nikolay Valeriev | | | 1889 | BUL | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Hristov, Kaloyan | | | 1545 | BUL | 0.50 | 1 | -0.40 | 15 | -6.00 | |
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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