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Individual Calculations July 2009 |
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| Andreev, Sasho Total change: 39.00 | |   |
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| Bulgarian individual chess championship boys 20 | Sofia | BUL | 2009-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2063 | 5.50 | 7 | 2.25 | 15 | 33.75 | |
|  Vlashki, Nino | | | 2200 | BUL | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Ivanov, Stojan Lubomirov | | | 2129 | BUL | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Dobrev, Nayden | | | 2142 | BUL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Janev, Tihomir | | | 2297 | BUL | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Stoev, Tsvetoslav | | | 1765 | BUL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Kirov, Dimitar | | | 2116 | BUL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Iliev, Atanas | | | 1957 | BUL | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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 16 years old | Sunny Beach | BUL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 2063 | 1.50 | 2 | 0.03 | 15 | 0.45 | |
| | Todorov, Rosen | | | 1713 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Sofranov, Velizar | | | 2009 | BUL | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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 |
| 2111 | 2051 | 2.00 | 4 | 0.32 | 15 | 4.80 | |
| | Ivanov, Borislav | | | 2002 | BUL | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Georgiev, Steljan | | | 2172 | BUL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Asparuhov, Parvan | | | 2160 | BUL | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Iliev, Vasil | | | 2108 | BUL | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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