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Individual Calculations September 2023 |
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| Kaczmarek, Jan Total change: -20.40 | |   |
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| Poznanski Festiwal Szachowy | Poznan | POL | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1287 | 1487 | 2.50 | 4 | -0.51 | 40 | -20.40 | |
|  Szeszycki, Jan | | | 1235 | POL | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Adamski, Ksawery | | | 1341 | POL | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Bujnowski, Adam | | | 1212 | POL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Tadych, Szymon | | | 1360 | POL | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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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