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Individual Calculations September 2021 |
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| Piotrowski, Przemyslaw Total change: 15.40 | |   |
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| Wroclaw OPEN 2021- group A | Wroclaw | POL | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2241 | 6.50 | 8 | 0.77 | 20 | 15.40 | |
|  Maksimenko, Andrei Jr | | | 1903 | UKR | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Madajczak, Piotr | | | 1853 | POL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Quinn, Rory | | | 2109 | IRL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Gradalski, Olaf | | | 1919 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Szoen, Dariusz | m | | 2394 | POL | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Barchuk, Irina | | | 2038 | UKR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Marszalek, Maciej | f | | 2303 | POL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Ciborowski, Konrad Jr | | | 1841 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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