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Individual Calculations April 2009 |
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| Vladimirova, Maria Total change: 20.70 | |   |
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| Bulgarian Championship for Girls to 18 years old | Smoljan | BUL | 2008-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1971 | 4.00 | 4 | 1.51 | 15 | 22.65 | |
|  Dilova, Monika | | | 1834 | BUL | 1.00 | 1 | 0.32 | 15 | 4.80 | |  Stefanova, Milena | | | 2053 | BUL | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Todorova, Gabriela | | | 1699 | BUL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Naidenova, Jordanka | | | 1907 | BUL | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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) | | | | 1-st Memorial GM Nino Kirov | Sofia | BUL | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2299 | 2064 | 1.50 | 6 | 0.09 | 15 | 1.35 | |
| | Berbatov, Kiprian | f | | 2392 | BUL | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Kozhuharov, Spas | m | | 2411 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Velchev, Hristo | f | | 2285 | BUL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Milchev, Nikolay | f | | 2377 | BUL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Drenchev, Petar | m | | 2414 | BUL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Borisov, Lubomir | | | 1914 | BUL | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | | | 58th Bulgarian Women Championship Semi-final | Plovdiv | BUL | 2009-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 2064 | 5.50 | 7 | 0.41 | 15 | 6.15 | |
| | Gradevska, Desislava | | | 1721 | BUL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Galunova, Tsveta | | | 1891 | BUL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Sirkova, Darena | | | 1942 | BUL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Bednikova, Stefi | | | 2086 | BUL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Petkova, Veneta | | | 1964 | BUL | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Krumova, Ani | | | 1812 | BUL | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Harizanova, Marina | | | 1714 | BUL | 1.00 | 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) | | | | 58th Bulgarian individual women chess championship | Dupnitsa | BUL | 2009-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2064 | 4.50 | 11 | -0.63 | 15 | -9.45 | |
| | Videnova, Iva | | wf | 2193 | BUL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Genova, Lyubka | | wm | 2231 | BUL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Nikolova, Adriana | | wm | 2310 | BUL | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Petkova, Veneta | | | 1964 | BUL | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Sirkova, Darena | | | 1942 | BUL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Chilingirova, Pavlina | | wm | 2154 | BUL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Gradevska, Desislava | | | 1721 | BUL | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Bednikova, Stefi | | | 2086 | BUL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Voiska, Margarita | | wg | 2339 | BUL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Yordanova, Svetla | | wm | 2202 | BUL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Krumova, Ani | | | 1812 | BUL | 0.00 | 1 | -0.81 | 15 | -12.15 | |
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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