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Individual Calculations July 2021 |
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| Siek, Jerzy Total change: -39.80 | |   |
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| Miedzynarodowy Memorial Szachowy Rodziny Ulmow - 2021 | Siczki k. Radomia | POL | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1244 | 1446 | 2.50 | 6 | -1.99 | 20 | -39.80 | |
|  Szymkiewicz, Witold | | | 1267 | POL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Jaworowski, Andre | | | 1321 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Matusik, Zuzanna | | | 1209 | POL | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Smerachanski, Mihail | | | 1188 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Wittych, Julia | | | 1085 | POL | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Stopka, Tomasz | | | 1394 | POL | 1.00 | 1 | 0.43 | 20 | 8.60 | |
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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