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Individual Calculations July 2023 |
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| Pietrzak, Janusz Total change: -20.80 | |   |
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| Mistrzostwa Polski Seniorow w Szachach na 2023 rok | Karpacz | POL | 2023-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1908 | 4.50 | 9 | -1.04 | 20 | -20.80 | |
|  Szreder, Leopold | | | 1508 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rajtar, Jaroslaw | | | 1496 | POL | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Betkowski, Andrzej | | | 1993 | POL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Klimaszewski, Dariusz | c | | 2111 | POL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Krasowski, Slawomir | | | 1820 | POL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Shilov, Sergej | f | | 2083 | POL | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Brylowski, Stefan | | | 1943 | POL | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Litwin, Tomasz | | | 1549 | POL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Stadnicki, Andrzej | | | 1633 | POL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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