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Individual Calculations July 2009 |
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| Dobrev, Nayden Total change: 25.95 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2142 | 4.50 | 7 | 0.07 | 15 | 1.05 | |
|  Stoev, Tsvetoslav | | | 1792 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Ivanov, Aleksandar | | | 1833 | BUL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Andreev, Sasho | | | 2063 | BUL | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Kirov, Dimitar | | | 2116 | BUL | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Dimitrov, Alexander | | | 1974 | BUL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Janev, Tihomir | | | 2297 | BUL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Ivanov, Stojan Lubomirov | | | 2129 | BUL | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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 |
| 2158 | 2137 | 4.00 | 5 | 1.66 | 15 | 24.90 | |
| | Janchev, Petar | | | 2225 | BUL | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Panajotov, Janko | | | 2191 | BUL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Rusev, Jeliazko | | | 2267 | BUL | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Tetimov, Ivan | | | 1954 | BUL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Stoilov, Atanas | | | 2153 | BUL | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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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