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Individual Calculations January 2013 |
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| Kohanov, Boris Total change: -31.65 | |   |
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| Perm November | Perm | RUS | 2012-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1879 | 0.50 | 5 | -1.19 | 15 | -17.85 | |
|  Goldshtein, Grigory | | | 2129 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Antonov, Andrey P. | | | 2010 | RUS | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Mislavskiy, Evgeny | | | 2019 | RUS | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Yakovlev, Andrey | | | 1938 | RUS | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Legostaev, Alexander | | | 1912 | RUS | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | Perm Desember | Perm | RUS | 2012-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1879 | 1.00 | 5 | -0.92 | 15 | -13.80 | |
| | Goldshtein, Grigory | | | 2129 | RUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Liang, Vladimir | | | 1957 | RUS | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Dragunov, Viacheslav | f | | 2193 | RUS | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Pukhov, Alexander | | | 1956 | RUS | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Utochkina, Ksenia | | | 1630 | RUS | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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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