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Individual Calculations May 2010 |
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| Petrov, Vladimir Sergeev Total change: -10.95 | |   |
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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 |
| 1922 | 1693 | 0.50 | 3 | -0.14 | 15 | -2.10 | |
|  Valev, Valentin | | | 1913 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | |  Hristov, Nikolay Valeriev | | | 1889 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Todorov, Yavor | | | 1964 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | European Individual School Championships 2010 - Open 11 | Thessaloniki | GRE | 2010-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1693 | 1.00 | 4 | -0.59 | 15 | -8.85 | |
| | Sevgi, Volkan | | | 1821 | TUR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Levitan, Tal | | | 1741 | ISR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Mammadov, Gulam Ilham Oglu | | | 1760 | AZE | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Litvinov, Maxim | | | 1749 | RUS | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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