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Individual Calculations September 2009 |
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| Portych, Vaclav Total change: -28.80 | |   |
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| Czech Open 2009 F - OCE Open | Pardubice | CZE | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1835 | 0.50 | 2 | -0.40 | 15 | -6.00 | |
|  Smid, Jaroslav | | | 2067 | CZE | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Hatas, Ondrej | | | 1690 | CZE | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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 B - Tchibo Open | Pardubice | CZE | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1835 | 1.50 | 8 | -1.52 | 15 | -22.80 | |
| | Laubert, Johannes | | | 2036 | GER | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Schulz, Anja | | | 1987 | GER | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Schuetz, Peter | | | 1940 | SVK | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Wierum, Colin | | | 1922 | GER | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Jardine, Ludovic | | | 1906 | FRA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Streiter, Manfred | | | 1939 | GER | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Petrovs, Aleksandrs | | | 1777 | LAT | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Kyas, Michael | | | 1906 | GER | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | |
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