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Individual Calculations July 2009 |
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| Kosov, Igor Total change: -9.60 | |   |
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| Spring Holidays 2009 Open | St.Petersburg | RUS | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1743 | 0.50 | 5 | -0.44 | 15 | -6.60 | |
|  Reshetov, Valery | | | 2093 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Kuzmin, Egor | | | 1961 | RUS | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Gorbov, Andrey | | | 1955 | RUS | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Kostyuchenko, Vladimir | | | 2093 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Burshanov, Mikhail | | | 1919 | RUS | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | M.Chigorin CCC 2009 Final | St.Petersburg | RUS | 2009-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1752 | 2.50 | 8 | -0.20 | 15 | -3.00 | |
| | Kalashnikov, Pyotr | | | 1897 | RUS | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Glazov, Anatoly | | | 1978 | RUS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Emdin, Mark | | | 1939 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Stroganov, Anatoly | | | 1935 | RUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Yusupova, Lilia | | | 1713 | RUS | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Grigoryev, Mikhail | | | 1937 | RUS | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Melnikov, Nikolay | | | 1812 | RUS | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Katyshkina, Anastasia | | | 1799 | RUS | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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) | | |
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