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Individual Calculations July 2009 |
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| Ivanov, Aleksandar Total change: 38.25 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1833 | 3.00 | 7 | 1.27 | 25 | 31.75 | |
|  Vlashki, Nino | | | 2183 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Dobrev, Nayden | | | 2142 | BUL | 0.00 | 1 | -0.14 | 25 | -3.50 | |  Nikolov, Rumen | | | 1816 | BUL | 1.00 | 1 | 0.48 | 25 | 12.00 | | | Georgiev, Steljan | | | 2168 | BUL | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Janev, Tihomir | | | 2183 | BUL | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Dimitrov, Alexander | | | 1974 | BUL | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Andreev, Andrey | | | 1889 | BUL | 1.00 | 1 | 0.58 | 25 | 14.50 | |
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) | | | | Bulgarian Individual Championship for juniors 18 years old | Sunny Beach | BUL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1833 | 2.50 | 6 | 0.26 | 25 | 6.50 | |
| | Ivanov, Stojan Lubomirov | | | 2129 | BUL | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Krumov, Georgi | | | 1637 | BUL | 0.00 | 1 | -0.75 | 25 | -18.75 | | | Galunov, Georgi | | | 1888 | BUL | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Angelov, Boyan | | | 1990 | BUL | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Tiholov, Todor | | | 2056 | BUL | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Veselinov, Stoimen | | | 1898 | BUL | 1.00 | 1 | 0.59 | 25 | 14.75 | |
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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