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Individual Calculations September 2009 |
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| Sirkova, Darena Total change: 25.50 | |   |
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| Albena International Open Chess Tournament 2009 | Albena | BUL | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 1964 | 1.50 | 4 | 0.42 | 15 | 6.30 | |
|  Vasilev, Milen | g | | 2314 | BUL | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Georgiev, Steljan | | | 2172 | BUL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Lao, Lenath | | | 1961 | FRA | 1.00 | 1 | 0.50 | 15 | 7.50 | |  Vassiliev, G. | | | 2163 | RUS | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | 19th Open Womens Bulgarian Championship 2009 | Vratsa | BUL | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2012 | 4.00 | 9 | -0.92 | 15 | -13.80 | |
| | Chelushkina, Irina | | wg | 2357 | SRB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bulmaga, Elena | | | 1657 | MDA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Benderac, Ana | | wg | 2298 | SRB | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Vasova, Mariya | | | 1757 | BUL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Milutinovic, Stefana | | | 1716 | SRB | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Bednikova, Stefi | | | 2084 | BUL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Krumova, Ani | | | 1904 | BUL | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Kosturska, Yoana | | | 1849 | BUL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Baciu, Diana | | wf | 2139 | MDA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | Romania-Bulgaria, women's match | Buharest | BUL | 2009-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2012 | 2.00 | 4 | 1.09 | 15 | 16.35 | |
| | Craciun, Paula-Iulia | | wf | 2168 | ROU | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Sgircea, Silvia-Raluca | | wf | 2199 | ROU | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Padurariu, Ioana-Smaranda | | wm | 2238 | ROU | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Sandu, Mihaela | | wg | 2312 | ROU | 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) | | | | 24th open TETEVEN | Teteven | BUL | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2012 | 3.00 | 6 | 1.11 | 15 | 16.65 | |
| | Arnaudov, Petar | | | 2263 | BUL | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Janchev, Petar | | | 2224 | BUL | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Dobrev, Nanko | m | | 2352 | BUL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Popov, Georgi | | | 2196 | BUL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ivanov, Stojan Lubomirov | | | 2153 | BUL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Todorova, Kalina | | | 1789 | BUL | 1.00 | 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) | | |
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