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Individual Calculations July 2020 |
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| Petrak, Robert Total change: -19.80 | |   |
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| Prebor Prahy 2020 - 1. trida - skupina 12 | Praha | CZE | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2021 | 3.00 | 9 | -0.99 | 20 | -19.80 | |
|  Krivanek, Vladimir | | | 2195 | CZE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Kulistak, Milan | | | 2165 | CZE | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Sandvik, Thomas | | | 2089 | FIN | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Ptak, Pavel | | | 2047 | CZE | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Kolar, Dan | | | 1846 | CZE | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Dvoulety, Pavel | | | 2067 | CZE | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Strnad, Pavel | | | 1889 | CZE | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Karas, Marek | f | | 2232 | SVK | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Molkanov, Oleg | | | 2048 | CZE | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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