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Individual Calculations September 2023 |
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| Poniewierski, Piotr Total change: 35.00 | |   |
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| 59. Miedzynardowy Festiwal Szachowy im. Akiby Rubinsteina - Open C | Polanica-Zdroj | POL | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1821 | 6.50 | 9 | 1.75 | 20 | 35.00 | |
|  Gorecki, Jaroslaw | | | 1421 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tomalak, Stanislaw | | | 1569 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Fainberg, Boris | | | 1976 | ISR | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Marusenko, Petr | m | | 2038 | UKR | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Litwin, Tomasz | | | 1591 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Harasim, Wieslaw | | | 1661 | POL | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kowalczuk, Wojciech | | | 2073 | POL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Krupa, Jerzy | | | 1810 | POL | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Mazalon, Mariusz | | | 1967 | POL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | * 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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