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Individual Calculations January 2010 |
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| Petrova, Irina Total change: -22.50 | |   |
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| World Youth Chess Championship-u16g | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 2010 | 6.00 | 11 | -1.05 | 15 | -15.75 | |
|  Van Aarde, Lenke | | | 1610 * | RSA | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Bulmaga, Irina | | wm | 2234 | ROU | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Fragaki, Maria | | | 1870 | GRE | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Afshar, Niusha | | | 1837 | IRI | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Kagramanov, Dalia | | | 1835 | CAN | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Isparta, Sevim | | | 1638 | TUR | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Morgaenko, Ekaterina | | | 1893 | BLR | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Abdulla, Khayala Mardan Qizi | | | 2151 | AZE | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Gevorgyan, Maria | | | 1868 | ARM | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Stojkovska, Monika | | | 1906 | MKD | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Shakryan, Zozan | | | 1966 | ARM | 0.50 | 1 | -0.06 | 15 | -0.90 | | | * 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) | | | | New Years All-Ukrainian Open Chess Tournament | Poltava | UKR | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2010 | 0.50 | 4 | -0.45 | 15 | -6.75 | |
| | Korobov, Anton | g | | 2410 * | UKR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Shtanko, Dmitro | | | 2346 | UKR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Gorbatenko, Kateryna | | wf | 2099 | UKR | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Chumachenko, Alexander | | | 2106 | UKR | 0.00 | 1 | -0.37 | 15 | -5.55 | | | * 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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