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Individual Calculations September 2021 |
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| Kopaczewski, Zbigniew Total change: -21.92 | |   |
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| Wroclaw OPEN 2021- group B | Wroclaw | POL | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1696 | 1464 | 3.00 | 8 | 1.23 | 16 | 19.68 | |
|  Kokurewicz, Konrad | | | 1715 | POL | 0.00 | 1 | -0.19 | 16 | -3.04 | |  Somyk, Marcin | | | 1794 | POL | 1.00 | 1 | 0.88 | 16 | 14.08 | | | Kaczanowski, Pawel | | | 1651 | POL | 1.00 | 1 | 0.74 | 16 | 11.84 | | | Sikora, Rafal | | | 1864 * | POL | 0.00 | 1 | -0.08 | 16 | -1.28 | | | Rycyk, Radoslaw | | | 1672 | POL | 0.00 | 1 | -0.23 | 16 | -3.68 | | | Ostrega, Przemyslaw | | | 1699 | POL | 1.00 | 1 | 0.79 | 16 | 12.64 | | | Bratajit, Mukherjee | | | 1648 | IND | 0.00 | 1 | -0.26 | 16 | -4.16 | | | Lochina, Justyna | | | 1524 | POL | 0.00 | 1 | -0.42 | 16 | -6.72 | | | * 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) | | | | Wroclaw OPEN 2021- group C | Wroclaw | POL | 2021-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1236 | 1464 | 4.00 | 7 | -1.37 | 16 | -21.92 | |
| | Kaminska, Zuzanna | | | 1080 | POL | 1.00 | 1 | 0.09 | 16 | 1.44 | | | Rzadkowska, Kaja | | | 1151 | POL | 1.00 | 1 | 0.14 | 16 | 2.24 | | | Dzieslewski, Aleksander | | | 1215 | POL | 1.00 | 1 | 0.19 | 16 | 3.04 | | | Zyto, Karol | | | 1338 | POL | 1.00 | 1 | 0.33 | 16 | 5.28 | | | Mlynek, Maksymilian | | | 1501 | POL | 0.00 | 1 | -0.45 | 16 | -7.20 | | | Herrmann, Arthur | | | 1189 | GER | 0.00 | 1 | -0.83 | 16 | -13.28 | | | Krawczyk, Eryk | | | 1179 | POL | 0.00 | 1 | -0.84 | 16 | -13.44 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN B | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1464 | 3.00 | 9 | 0.61 | 16 | 9.76 | |
| | Filipska, Maja | | | 1804 | POL | 0.00 | 1 | -0.12 | 16 | -1.92 | | | Bukala, Weronika | | | 1688 | POL | 0.00 | 1 | -0.22 | 16 | -3.52 | | | Krzyzosiak, Marta | | | 1624 | POL | 0.50 | 1 | 0.21 | 16 | 3.36 | | | Krzyzosiak, Anna | | | 1499 | POL | 0.00 | 1 | -0.45 | 16 | -7.20 | | | Lazniewska, Zofia | | | 1561 | POL | 1.00 | 1 | 0.63 | 16 | 10.08 | | | Bartlomowicz, Jakub | | | 1724 | POL | 0.50 | 1 | 0.32 | 16 | 5.12 | | | Hasterok, Lukasz | | | 1637 | POL | 0.50 | 1 | 0.23 | 16 | 3.68 | | | Lazniewski, Tadeusz | | | 1547 | POL | 0.50 | 1 | 0.11 | 16 | 1.76 | | | Demski, Michal | | | 1831 | POL | 0.00 | 1 | -0.10 | 16 | -1.60 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1464 | 4.00 | 9 | 0.90 | 16 | 14.40 | |
| | Kukorowski, Jan | | | 1771 | POL | 0.00 | 1 | -0.14 | 16 | -2.24 | | | Boryna, Szymon | | | 1103 | POL | 1.00 | 1 | 0.10 | 16 | 1.60 | | | Mareau, Timothe | | | 1603 | FRA | 1.00 | 1 | 0.69 | 16 | 11.04 | | | Maliszewski, Jacek | | | 1762 | POL | 1.00 | 1 | 0.85 | 16 | 13.60 | | | Szmidt, Przemyslaw | | | 1852 | POL | 0.00 | 1 | -0.09 | 16 | -1.44 | | | Blasiak, Miroslaw | | | 1612 | POL | 0.00 | 1 | -0.30 | 16 | -4.80 | | | Malecki, Mateusz | | | 1609 | POL | 0.00 | 1 | -0.31 | 16 | -4.96 | | | Gorski, Boguslaw | | | 1701 | POL | 0.00 | 1 | -0.20 | 16 | -3.20 | | | Szydlowski, Oskar | | | 1313 | POL | 1.00 | 1 | 0.30 | 16 | 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) | | | | IX Festiwal Szachowy "Bursztynowe Wybrzeze" 2021 - A | Mikoszewo | POL | 2021-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1464 | 4.00 | 9 | -2.74 | 16 | -43.84 | |
| | Mroczkowski, Adam | | | 1064 * | POL | 1.00 | 1 | 0.08 | 16 | 1.28 | | | Belczewski, Jacek | | | 1864 * | POL | 0.00 | 1 | -0.08 | 16 | -1.28 | | | Nocek, Dominik | | | 1304 | POL | 0.00 | 1 | -0.71 | 16 | -11.36 | | | Zacharzewski, Michal | | | 1277 | POL | 0.00 | 1 | -0.74 | 16 | -11.84 | | | Rafalski, Tomasz | | | 1205 | POL | 0.00 | 1 | -0.82 | 16 | -13.12 | | | Pielak, Mikolaj | | | 1201 | POL | 1.00 | 1 | 0.18 | 16 | 2.88 | | | Ladon, Tymoteusz | | | 1080 | POL | 1.00 | 1 | 0.09 | 16 | 1.44 | | | Kowalski, Mateusz | | | 1085 | POL | 0.00 | 1 | -0.91 | 16 | -14.56 | | | Kazubski, Kacper | | | 1191 | POL | 1.00 | 1 | 0.17 | 16 | 2.72 | | | * 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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