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Individual Calculations January 2010 |
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| Bobkov, Alexei Total change: 41.05 | |   |
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| T.Zagorskaya Memorial | Minsk | BLR | 2009-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1764 | 3.50 | 7 | 1.90 | 25 | 47.50 | |
|  Begun, Sergei M | | | 2164 * | BLR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Rudoi, Yury | | | 1996 | BLR | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Kusenkova, Natallia | | | 1953 | BLR | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Valevich, Sergei | | | 1921 | BLR | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Nevioselaya, Maria | | | 1851 | BLR | 1.00 | 1 | 0.62 | 25 | 15.50 | | | Novikov, Mikhael Ivanovich | | | 1999 | RUS | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Scherbakova, Alisa | | | 2023 | BLR | 0.50 | 1 | 0.32 | 25 | 8.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Kulaga Memorial 2009 | Minsk | BLR | 2009-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1764 | 1.00 | 4 | 0.09 | 25 | 2.25 | |
| | Davidchik, Alexandr | | | 2031 | BLR | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Sarichev, Sergey | | | 2112 | BLR | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Kustov, Alexei | | | 1867 | BLR | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Andreev, Eduard | | | 1952 | BLR | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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) | | | NOTE: K factor changed | | The Championship of BLR, stage-1 (men) | Minsk | BLR | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1764 | 0.50 | 5 | -0.58 | 15 | -8.70 | |
| | Elkin, Leonid | | | 2164 * | BLR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tchaitchits, Viktor | | | 2083 | BLR | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Butsko, Ivan | | | 1962 | BLR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kustov, Alexei | | | 1867 | BLR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Litvin, Vladimir | | | 1938 | BLR | 0.50 | 1 | 0.23 | 15 | 3.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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