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Individual Calculations August 2021 |
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| Piotrowski, Pawel Total change: 40.00 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2027 | 5.00 | 9 | 0.98 | 20 | 19.60 | |
|  Dragun, Kamil | g | | 2427 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Kubiak, Jakub | | | 1871 | POL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kowalski, Igor | f | | 2349 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Krupa, Bartlomiej | | | 1909 | POL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Lukasiewicz, Krzysztof | f | | 2359 | POL | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Bus, Konrad | | | 2266 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Haliniak, Wojciech | | | 1843 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Bojczewski, Mateusz | | | 1916 | POL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Zarebska, Lena | | | 1849 | POL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | | | Warsaw Chess Open - A | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2027 | 4.50 | 9 | 1.02 | 20 | 20.40 | |
| | Lewtak, Damian | m | | 2380 | POL | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Mis, Mieszko | f | | 2361 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Tychulski, Krzysztof | | | 1759 | POL | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Karpus, Michal | f | | 2271 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Lee, Hyo | | | 1712 | KOR | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Sliwerski, Radoslaw | | | 1981 | POL | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Praczukowski, Stanislaw | | | 2156 | POL | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Kubicka, Anna | | wm | 2210 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Chyzy, Jakub | f | | 2257 | POL | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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) | | |
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