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Individual Calculations August 2021 |
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| Piotrowski, Daniel Total change: 42.60 | |   |
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| Szachowe Lato Poznan 2021 | Poznan | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1660 | 7.00 | 9 | 2.13 | 20 | 42.60 | |
|  Czyzewski, Olgierd | | | 1260 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Pachura, Mateusz | | | 1260 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Grzelak, Marcin | | | 2019 | POL | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Dopierala, Adam | | | 1482 | POL | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Doberschutz, Wojciech | | | 1399 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Zielinski, Olgierd | | | 1802 | POL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Michalski, Karol | | | 2036 | POL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Glatty, Zbigniew | | | 1862 | POL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Garwacki, Kornel | | | 1473 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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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