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Individual Calculations July 2009 |
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| Iliev, Atanas Total change: 5.25 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 1957 | 2.00 | 5 | -0.05 | 25 | -1.25 | |
|  Janev, Tihomir | | | 2297 | BUL | 0.00 | 1 | -0.12 | 25 | -3.00 | |  Andreev, Andrey | | | 1889 | BUL | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Nikolov, Rumen | | | 1816 | BUL | 1.00 | 1 | 0.31 | 25 | 7.75 | | | Kirov, Dimitar | | | 2116 | BUL | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Andreev, Sasho | | | 2063 | BUL | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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) | | | | Bulgarian Individual Championship for juniors 18 years old | Sunny Beach | BUL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1957 | 3.00 | 6 | 0.74 | 25 | 18.50 | |
| | Janev, Tihomir | | | 2297 | BUL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Veselinov, Stoimen | | | 1898 | BUL | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Tiholov, Todor | | | 2056 | BUL | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Ivanov, Stojan Lubomirov | | | 2129 | BUL | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Angelov, Boyan | | | 1990 | BUL | 1.00 | 1 | 0.55 | 25 | 13.75 | | | Janev, Pavel | | | 1970 | BUL | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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) | | | | 59th Team Ch (m) 2nd Division | Sunny Beach | BUL | 2009-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1969 | 0.00 | 2 | -0.48 | 25 | -12.00 | |
| | Stoilov, Atanas | | | 2153 | BUL | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Viktorov, Genadi | | | 2189 | BUL | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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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