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Individual Calculations July 2021 |
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| Perek, Oskar Total change: 76.00 | |   |
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| IV Dolnoslaska Liga Szachowa 2021 - Okreg Walbrzyski | Dolny Slask | POL | 2021-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1414 | 2.50 | 3 | 2.08 | 40 | 83.20 | |
|  Korzekwa, Marcin | | | 1718 | POL | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Dzieczkaniec, Piotr | | | 1814 * | POL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Szydelko, Kazimierz | | | 1654 | POL | 1.00 | 1 | 0.80 | 40 | 32.00 | | | * 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) | | | | III Dolnoslaska Liga Szachowa 2020/2021 1, 4-11 | Dolny Slask | POL | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1608 | 1491 | 2.50 | 6 | 0.23 | 40 | 9.20 | |
| | Frac, Pawel | | | 1307 | POL | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Wozniak, Andrzej | | | 1392 | POL | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Kopestynski, Michal | | | 1498 | POL | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Paprocki, Artur | | | 1833 | POL | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Grot, Blazej | c | | 1727 | POL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Wielosz, Jaroslaw | | | 1891 * | POL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | 35. Memorial Mistrza Czeslawa Blaszczaka - Juniorzy | Wroclaw | POL | 2021-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1314 | 1491 | 4.50 | 7 | -0.41 | 40 | -16.40 | |
| | Koscianski, Michal | | | 1091 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Trusewicz, Jakub | | | 1291 | POL | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Mueller, Cosima | | | 1505 | GER | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Fiedorek, Kamila | | | 1145 | POL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ehrig, Leon Chris | | | 1685 | GER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Gorska, Amelia | | | 1162 | POL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Uhryn, Mateusz | | | 1318 | POL | 0.50 | 1 | -0.23 | 40 | -9.20 | | | * 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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