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Individual Calculations August 2021 |
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| Praczukowski, Stanislaw Total change: -82.80 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2156 | 4.00 | 9 | -2.25 | 20 | -45.00 | |
|  Kaminski, Maciej | | | 1844 | POL | 0.00 | 1 | -0.86 | 20 | -17.20 | |  Sidorczuk, Pawel | | | 1923 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Perkampus, Laurin | | | 1944 | GER | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Moscicka, Pola | | | 1960 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kanarek, Marcel | g | | 2498 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kulpa, Zuzanna | | | 1962 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Grochol, Kamil | | | 1978 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Fritz, Antoni | | | 1973 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Gorkiewicz, Mateusz | | | 1968 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | |
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) | | | | Warsaw Chess Open - A | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2156 | 4.00 | 9 | -1.89 | 20 | -37.80 | |
| | Heberla, Bartlomiej | g | | 2556 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pettersson, Alexander | | | 1995 | MLT | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Kulesza, Andrzej | | | 1910 | POL | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Sliwerski, Radoslaw | | | 1981 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Tychulski, Krzysztof | | | 1759 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Syrkiewicz, Michal | | | 1976 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Piotrowski, Pawel | | | 2027 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Harazinska, Magdalena | | wf | 2034 | POL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Jarzebowski, Kacper | | | 2110 | POL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | * 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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