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Individual Calculations September 2009 |
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| Vasova, Mariya Total change: -31.75 | |   |
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| 6-th The Hopes of the World 12 years old | St. st. Constantin and Helena Resort | BUL | 2009-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1778 | 0.00 | 2 | -0.84 | 25 | -21.00 | |
|  Vasenina, Anna | | | 1690 | RUS | 0.00 | 1 | -0.62 | 25 | -15.50 | | | Subbotsky, Mikhail | | | 1998 | RUS | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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) | | | | 19th Open Womens Bulgarian Championship 2009 | Vratsa | BUL | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1757 | 1.00 | 6 | -0.43 | 25 | -10.75 | |
| | Yordanova, Svetla | | wm | 2157 * | BUL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Bulmaga, Irina | | wm | 2157 * | MDA | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Sirkova, Darena | | | 2012 | BUL | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Dimitrova, Aseniya | | | 1807 | BUL | 1.00 | 1 | 0.57 | 25 | 14.25 | | | Milutinovic, Stefana | | | 1716 | SRB | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Chilingirova, Pavlina | | wm | 2135 | BUL | 0.00 | 1 | -0.09 | 25 | -2.25 | | | * 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) | | |
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