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Individual Calculations August 2021 |
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| Siwiec, Arkadiusz Total change: 23.80 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2206 | 6.00 | 9 | 1.19 | 20 | 23.80 | |
|  Pekacki, Stanislaw | | | 1860 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Dragun, Kamil | g | | 2557 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Fritz, Antoni | | | 1973 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Romanishin, Oleg M | g | | 2404 | UKR | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Jedrusik, Adam | | | 2015 | POL | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Liberadzki, Slawomir | | | 2022 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Malaczek, Mateusz | | | 1991 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Nowak, Mikolaj | | | 2310 | POL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Kjartansson, Gudmundur | g | | 2496 | ISL | 1.00 | 1 | 0.84 | 20 | 16.80 | |
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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