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Individual Calculations May 2012 |
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| Petrik, Petr Total change: -14.10 | |   |
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| Krajsky prebor I SSZK 2011/12 | various | CZE | 2011-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1953 | 2.00 | 3 | 0.62 | 15 | 9.30 | |
|  Kasik, Jiri | | | 2010 | CZE | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Bartas, Pavel | | | 1876 | CZE | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Brousek, Jiri | | | 2066 | CZE | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | 2. liga - E 2011/12 | various | CZE | 2011-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1953 | 0.50 | 5 | -1.56 | 15 | -23.40 | |
| | Pfeffer, Erik | | | 1936 | CZE | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Studeny, Radovan | | | 2090 | CZE | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Bednar, Jakub | | | 2134 | CZE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Mizak, Jan | | | 2042 | CZE | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Smid, Jan Sr. | | | 1894 | CZE | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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