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Individual Calculations September 2009 |
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| Petukhov, Nikolay Total change: -26.55 | |   |
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| Moscow Summer 2009 B open | Moscow | RUS | 2009-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1821 | 0.50 | 5 | -1.35 | 15 | -20.25 | |
|  Cherkasov, Vladimir | | | 2075 | RUS | 0.50 | 1 | 0.31 | 15 | 4.65 | |  Shliakhov, Ivan | | | 2018 | RUS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Savinov, Victor | | | 1918 | RUS | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Malyshev, Roman B | | | 1865 | RUS | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Tantsov, Peter | | | 1752 | 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) | | | | Obninsk 2009 open | Obninsk | RUS | 2009-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 1815 | 0.00 | 3 | -0.42 | 15 | -6.30 | |
| | Pimenov, Revolt | | | 2182 | RUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Barykin, Valentin | | | 2074 | RUS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Mulenko, Alexander | | | 2118 | RUS | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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