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Individual Calculations July 2021 |
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| Ciechonski, Piotr Total change: -41.20 | |   |
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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 |
| 1336 | 1678 | 3.50 | 7 | -2.67 | 20 | -53.40 | |
|  Wittych, Maciej | | | 1280 | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Wozich, Konrad | | | 1450 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Przygrodzki, Jakub | | | 1346 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Kultucki, Kamil | | | 1312 | POL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Nowak, Maciej | | | 1331 | POL | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Matusik, Milena | | | 1278 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pastuszko, Katarzyna | | | 1352 | POL | 0.00 | 1 | -0.87 | 20 | -17.40 | | | * 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) | | | | Turniej o Puchar Burmistrza Ursusa A2 | Warszawa | POL | 2021-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1654 | 2.00 | 5 | 0.61 | 20 | 12.20 | |
| | Podgorski, Maciej | | | 1908 | POL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Michalowski, Patryk | | | 1757 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Haliniak, Wojciech | | | 1863 | POL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Rejniak, Zuzanna | | | 1751 | POL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Bujalski, Mateusz | | | 1860 | POL | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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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