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Individual Calculations August 2021 |
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| Jarzebowski, Kacper Total change: -20.00 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2110 | 5.50 | 9 | 0.49 | 20 | 9.80 | |
|  Stachecki, Mikolaj | | | 1814 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Cukrowski, Filip | f | | 2389 | POL | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Bebel, Arkadiusz | f | | 2306 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Adamczyk, Zuzanna | | wc | 1921 | POL | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Paprocki, Antoni | | | 1912 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Kot, Jerzy | f | | 1891 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Zalega, Maciej | | | 1841 | POL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Redzisz, Michal | f | | 2246 | POL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Kiolbasa, Oliwia | | wm | 2255 | POL | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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 |
| 2027 | 2110 | 4.00 | 9 | -1.49 | 20 | -29.80 | |
| | Sonis, Francesco | m | | 2501 | ITA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Starosciak, Szymon | | | 1953 | POL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Wojdak, Jan | | | 2014 | POL | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Pettersson, Alexander | | | 1995 | MLT | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Spicak, Krzysztof | | | 1870 | POL | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Janik, Marcin | | | 1710 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Trybus, Daniel | | | 1989 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Choroszej, Aleksander | | | 2052 | POL | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Praczukowski, Stanislaw | | | 2156 | 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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