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Individual Calculations August 2023 |
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| Ptacek, Lubos Total change: -3.60 | |   |
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| CZECH OPEN 2023 - E | Pardubice | CZE | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 2005 | 1.50 | 3 | -0.18 | 20 | -3.60 | |
|  Brozyna, Mateusz | f | | 2298 | POL | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Pisar, Tomas | | | 1749 | CZE | 0.00 | 1 | -0.81 | 20 | -16.20 | |  Muller, Petr | | | 1835 | CZE | 0.50 | 1 | -0.22 | 20 | -4.40 | |
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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