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Individual Calculations April 2009 |
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| Tkachev, Ivan Total change: -13.35 | |   |
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| 28. Blokadny St.Petersburg 2009 open | St.Petersburg | RUS | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1950 | 2.50 | 8 | -0.58 | 15 | -8.70 | |
|  Nikolaev, Vadim S. | | | 2143 | RUS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Belov, Mikhail | | | 2025 | RUS | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Penkov, Aleksey | | | 2010 | RUS | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Babakhin, Anton | | | 1986 | RUS | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Senkevich, Konstantin | | | 2079 | RUS | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Tkachev, Taras | | | 1964 | RUS | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Kuzmin, Egor | | | 1961 | RUS | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Goldobin, Mikhail | | | 2127 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | Winter on Petrograd Side 2009 open | St.Petersburg | RUS | 2009-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1950 | 2.00 | 6 | -0.31 | 15 | -4.65 | |
| | Nuretdinov, Igor | | | 2152 | TJK | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Dushin, Nikolay | | | 2068 | RUS | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Ljubarov, Mark | | | 2040 | RUS | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Fokin, Anatoly | | | 1927 | RUS | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Bashkirov, Valentin | | | 2008 | RUS | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Pyatin, Alexander | | | 2024 | RUS | 0.50 | 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) | | |
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