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Individual Calculations July 2009 |
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| Pertlova, Sona Total change: -4.65 | |   |
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| 1. liga - zapad | various | CZE | 2008-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2240 | 2.50 | 5 | -0.16 | 15 | -2.40 | |
|  Simunek, Filip | | | 2139 | CZE | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Schula, Michal | f | | 2312 | CZE | 0.50 | 1 | 0.10 | 15 | 1.50 | |  Chalupa, Ivan | | | 2170 | CZE | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Jedlicka, Ales | f | | 2287 | CZE | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Pokrupa, Marek | | | 2174 | CZE | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | Extraliga CR | various | CZE | 2008-11-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2408 | 2240 | 1.00 | 4 | -0.15 | 15 | -2.25 | |
| | Zawadski, Stanislaw | m | | 2447 | POL | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Orsag, Milan | m | | 2428 | CZE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kuba, Jindrich | | | 2247 | CZE | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Mirumian, Viguen | g | | 2508 | CZE | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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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