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Individual Calculations September 2009 |
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| Bocheva, Margarita Total change: -33.60 | |   |
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| 19th Open Womens Bulgarian Championship 2009 | Vratsa | BUL | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1881 | 1.50 | 6 | -1.61 | 15 | -24.15 | |
|  Bulmaga, Irina | | wm | 2277 | MDA | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Milutinovic, Stefana | | | 1716 | SRB | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Bulmaga, Elena | | | 1657 | MDA | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Yordanova, Svetla | | wm | 2200 | BUL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Shivacheva, Donika | | | 1645 | BUL | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Dimitrova, Aseniya | | | 1807 | BUL | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | 24th open TETEVEN | Teteven | BUL | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1881 | 0.50 | 3 | -0.63 | 15 | -9.45 | |
| | Vachev, Vladimir | f | | 2144 | BUL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Ivelinov, Hristo | | | 2168 | BUL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Atanasov, Margarit | | | 1650 | BUL | 0.50 | 1 | -0.29 | 15 | -4.35 | |
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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