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Individual Calculations May 2011 |
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| Petrova, Irina Total change: 63.30 | |   |
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| Ukraine Girls Under 20 Chess Championship 2011 | Lugansk | UKR | 2011-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2058 | 7.00 | 11 | 0.79 | 15 | 11.85 | |
|  Torosjan, Asja | | | 1805 | UKR | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Rakhmangulova, Anastasiya | | | 2147 | UKR | 0.50 | 1 | 0.12 | 15 | 1.80 | |  Goroshkova, Liudmila | | | 1989 | UKR | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Bezkorovaina, Marija | | | 2001 | UKR | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Tsirulnik, Maritsa | | | 2124 | UKR | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Nesterovskaya, Anzhelika | | wf | 2167 | UKR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Kalinina, Marianna | | | 2031 | UKR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Mamedova, Leila | | | 2020 | UKR | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Tkachova, Anastasia | | | 1949 | UKR | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Korniyuk, Mariya | | wf | 2104 | UKR | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Antoshkiv, Anastasiya | | | 1700 | UKR | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | Title tournament - Zaporizhzhya spring | Zaporizhzhya | UKR | 2011-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2058 | 5.50 | 9 | 3.43 | 15 | 51.45 | |
| | Andrenko, Irina | | wm | 2252 | UKR | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Burlai, Oleg | | | 2376 | UKR | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Kushch, Nikolai | m | | 2410 | UKR | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Tovmasian, Vardges | | | 2285 | ARM | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Martynov, Pavel | | | 2229 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Smolin, Sergey | m | | 2382 | RUS | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Polyakov, Maxim | f | | 2280 | UKR | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Kagramanianz, Vartan | m | | 2248 | ARM | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Sadygov, Andrey | | | 2061 | UKR | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | |
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