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Individual Calculations April 2009 |
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| Gradevska, Desislava Total change: 21.15 | |   |
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| 58th Bulgarian Women Championship Semi-final | Plovdiv | BUL | 2009-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1721 | 2.00 | 5 | 0.27 | 15 | 4.05 | |
|  Vladimirova, Maria | | | 2064 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Dragieva, Denitza | | | 1755 | BUL | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Harizanova, Marina | | | 1679 | BUL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Krumova, Ani | | | 1812 | BUL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Sirkova, Darena | | | 1942 | BUL | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | 31st Bulgarian Open Chmpionship - Georgi Tringov Memorial 01.02.2009-07.02.2009 | Plovdiv | BUL | 2009-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1721 | 2.50 | 5 | 1.83 | 15 | 27.45 | |
| | Chatalbashev, Boris | g | | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kolev, Vasil | | | 2008 | BUL | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Asparuhov, Parvan | | | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Andreev, Krasimir | | | 2046 | BUL | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Sofranov, Velizar | | | 2009 | BUL | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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) | | | | 58th Bulgarian individual women chess championship | Dupnitsa | BUL | 2009-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 1721 | 1.00 | 11 | -0.69 | 15 | -10.35 | |
| | Petkova, Veneta | | | 1964 | BUL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Yordanova, Svetla | | wm | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sirkova, Darena | | | 1942 | BUL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Krumova, Ani | | | 1812 | BUL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Chilingirova, Pavlina | | wm | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Videnova, Iva | | wf | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Vladimirova, Maria | | | 2064 | BUL | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Genova, Lyubka | | wm | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bednikova, Stefi | | | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nikolova, Adriana | | wm | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Voiska, Margarita | | wg | 2071 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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