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Individual Calculations April 2009 |
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| Tkachev, Taras Total change: 4.20 | |   |
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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 |
| 2023 | 1964 | 3.00 | 7 | 0.07 | 15 | 1.05 | |
|  Nikitinyh, Boris | | | 2217 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Alekseenko, Kirill | f | | 2093 | RUS | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Smirnov, Artyom | | | 2120 | RUS | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Potyavin, Igor | | | 2071 | RUS | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Tkachev, Ivan | | | 1950 | RUS | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Enalskiy, Aleksey | | | 1677 | RUS | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Morozov, Mikhail M. | | | 2031 | RUS | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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 |
| 1927 | 1964 | 3.50 | 6 | 0.21 | 15 | 3.15 | |
| | Savinov, Leonid | | | 2185 | RUS | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Letov, Petr | | | 2155 | RUS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Klyuchik, Ekaterina | | | 1722 | RUS | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Kravtsov, Andrei | | | 1930 | RUS | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Fedoseeva, Valentina | | | 1765 | RUS | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Paliy, Vladimir | | | 1804 | RUS | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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