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Individual Calculations September 2009 |
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| Ruban, Irina Total change: 3.25 | |   |
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| Czech Open 2009 J - Infinity Open | Pardubice | CZE | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1767 | 0.00 | 2 | -0.42 | 25 | -10.50 | |
|  Krivodedov, Viktor | | | 2058 | UKR | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Andersen, Carsten | | | 1945 | DEN | 0.00 | 1 | -0.27 | 25 | -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) | | | | Czech Open 2009 C - CPP Open | Pardubice | CZE | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1767 | 2.50 | 8 | 0.55 | 25 | 13.75 | |
| | Novosadova, Kristyna | | | 2026 | CZE | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Butchak, Bogdan | | | 1965 | UKR | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Diehl, Mirko | | | 1940 | GER | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Grass, Ernest | | | 1932 | GER | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Hasenbank, Dirk | | | 2020 | GER | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Linker, Mikhail | | | 1933 | UKR | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Petrun, Milan | | | 1966 | CZE | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Kallen, Jonas | | | 1942 | SWE | 0.00 | 1 | -0.27 | 25 | -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) | | |
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