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Individual Calculations January 2009 |
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| Tkachev, Taras Total change: -39.60 | |   |
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| Autumn on Petrograd side 2008 open | St.Petersburg | RUS | 2008-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1991 | 1.50 | 6 | -1.50 | 15 | -22.50 | |
|  Valov, Ilya | | | 2269 | RUS | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Fedoseev, Sergey | f | | 2182 | RUS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mukha, Aleksey | | | 1902 | RUS | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Yusupova, Lilia | | | 1720 | RUS | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Belenkaya, Dina | | | 1970 | RUS | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Fokin, Anatoly | | | 1919 | RUS | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | St.Petersburg Chmp. 2008 Boys-16 | St.Petersburg | RUS | 2008-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2004 | 1.50 | 5 | -1.14 | 15 | -17.10 | |
| | Burshanov, Mikhail | | | 1917 | RUS | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Kopasov, Alexander | | | 2109 | RUS | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Kuzmin, Egor | | | 1975 | RUS | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Koltsov, Roman | | | 1970 | RUS | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Tkachev, Ivan | | | 1955 | RUS | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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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