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Individual Calculations April 2009 |
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| Kohanov, Boris Total change: -61.20 | |   |
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| December 2008 open | Perm | RUS | 2008-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1954 | 1.50 | 5 | -1.12 | 15 | -16.80 | |
|  Mislavskiy, Evgeny | | | 2115 | RUS | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Goldshtein, Grigory | | | 2176 | RUS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Drozdov, Alexander | | | 1604 | RUS | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Kriukov, Sergey | | | 2000 | RUS | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Alekseeva, Natalia | | | 1731 | RUS | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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) | | | | 1st January 2009 open | Perm | RUS | 2009-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1996 | 3.50 | 8 | -1.12 | 15 | -16.80 | |
| | Shinkar, Daniel | f | | 2176 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Plekhov, Oleg | | | 2113 | RUS | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Kichigin, Viktor | | | 1831 | RUS | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Tsapalin, Sergey | | | 1924 | RUS | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Artemenko, Rimma | | | 1646 | RUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Mentchikov, Mikhail | | | 1646 | RUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Rudometov, Maxim | | | 2033 | RUS | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Shilov, Boris | | | 2017 | RUS | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | 2nd January 2009 open | Perm | RUS | 2009-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1996 | 2.50 | 7 | -0.97 | 15 | -14.55 | |
| | Frolov, Artiom | f | | 2346 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Goldshtein, Grigory | | | 2184 | RUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kichigin, Viktor | | | 1831 | RUS | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Zamorin, Nikolai | | | 1990 | RUS | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Drozdov, Alexander | | | 1646 | RUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Orekhov, Viktor | | | 2292 | RUS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Alekseeva, Natalia | | | 1723 | RUS | 0.00 | 1 | -0.83 | 15 | -12.45 | |
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) | | | | February 2009 open | Perm | RUS | 2009-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1996 | 2.50 | 7 | -0.87 | 15 | -13.05 | |
| | Davydov, Stepan | | | 2197 | RUS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Alekseeva, Natalia | | | 1723 | RUS | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Pershina, Elena | | | 1940 | RUS | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Shilov, Boris | | | 2017 | RUS | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Kashin, Yury | | | 2085 | RUS | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Zamorin, Nikolai | | | 1990 | RUS | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Liang, Vladimir | | | 2099 | RUS | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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