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Individual Calculations March 2011 |
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| Sirkova, Darena Total change: -1.65 | |   |
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| 33th International open Bulgarian chess championship | Plovdiv | BUL | 2011-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 2103 | 4.00 | 7 | -0.78 | 15 | -11.70 | |
|  Ismail, Tamer | | | 1766 | BUL | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Kipraki, Nikoleta | | | 1703 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Bonev, Todor | | | 2297 | BUL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Stoimenov, Kalojan | | | 1838 | BUL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Kukov, Velislav | f | | 2379 | BUL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Pantev, Tsvetelin | | | 1802 | BUL | 0.00 | 1 | -0.85 | 15 | -12.75 | | | Bardarov, Georgi | | | 1750 | BUL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 60th Bulgarian Individual Chess Championship Semifinal - Women | Plovdiv | BUL | 2011-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 2103 | 5.50 | 7 | 0.67 | 15 | 10.05 | |
| | Sergeeva Petrova, Boryana | | | 1759 | BUL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Milanova, Maria | | | 1915 | BUL | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Zlatanova, Emilia | | wm | 2049 | BUL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Yordanova, Svetla | | wm | 2156 | BUL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Nestorova, Lozanka | | | 2051 | BUL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Krumova, Ani | | | 1884 | BUL | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Todorova, Kalina | | | 1812 | BUL | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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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