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Individual Calculations September 2023 |
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| Vrchotka, Josef Total change: -40.80 | |   |
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| SUMMER PRAGUE OPEN 2023 - A - IM open | Praha | CZE | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1740 | 1961 | 4.00 | 8 | -2.04 | 20 | -40.80 | |
|  Yasmin, Ali | | | 1561 * | UAE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gorkiewicz, Mateusz | | | 2120 | POL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Steiner, Juraj | | | 1772 | CZE | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Fridland, Manfred | | | 1725 | GER | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Haack, Stefan | | | 1711 | GER | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Cieslak, Leszek | | | 1759 | CZE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Brzezina, Pawel | | | 1522 | POL | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Svoboda, Daniel | | | 1746 | CZE | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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