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Individual Calculations September 2009 |
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| Tkachev, Ivan Total change: 26.10 | |   |
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| Pskov 2009 open | Pskov | RUS | 2009-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1937 | 2.00 | 3 | 0.78 | 15 | 11.70 | |
|  Monina, Polina | | | 1971 | RUS | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Danilova, Tatiana | | | 1856 | RUS | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Semenenko, Sergey | | | 2217 | RUS | 1.00 | 1 | 0.84 | 15 | 12.60 | |
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) | | | | Summer on Petrograd Side 2009 open | St.Petersburg | RUS | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 1966 | 2.50 | 7 | 0.96 | 15 | 14.40 | |
| | Kuzmin, Yuriy | | | 2179 | RUS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Nikitinyh, Boris | | | 2226 | RUS | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Mukhin, Georgy | | | 2302 | RUS | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Pashinsky, Mikhail | | | 2237 | RUS | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Bebchuk, Boris | | | 2171 | RUS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Salov, Vitaly V. | | | 2141 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Anosov, Sergey | | | 2091 | RUS | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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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