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Individual Calculations February 2023 |
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| Witczak, Borys Total change: 5.95 | |   |
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| XXXIII Miedzynarodowy Festiwal Szachowy CRACOVIA 2022 Grupa B | Krakow | POL | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1886 | 4.00 | 9 | 1.02 | 35 | 35.70 | |
|  Kandic, Milan | f | | 2023 | SRB | 1.00 | 1 | 0.68 | 35 | 23.80 | |  Skrzynski, Janusz | | | 1993 | POL | 1.00 | 1 | 0.65 | 35 | 22.75 | | | Wilk, Igor | | | 2029 | POL | 0.00 | 1 | -0.31 | 35 | -10.85 | | | Wolak, Marek | | | 1984 | POL | 1.00 | 1 | 0.63 | 35 | 22.05 | | | Gorkiewicz, Mateusz | | | 2076 | POL | 0.00 | 1 | -0.25 | 35 | -8.75 | | | Liberadzki, Slawomir | | | 2008 | POL | 0.50 | 1 | 0.17 | 35 | 5.95 | | | Lozovoi, Roman | | | 1961 | UKR | 0.50 | 1 | 0.10 | 35 | 3.50 | | | Niezhentsev, Kyrylo | | | 2052 | UKR | 0.00 | 1 | -0.28 | 35 | -9.80 | | | Maciejewski, Kamil | | | 1983 | POL | 0.00 | 1 | -0.37 | 35 | -12.95 | |
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) | | | | Druzynowe Mistrzostwa Slaska Juniorow - Ekstraliga Slaska Juniorow 2023 Round 1-3 | Chorzow | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1886 | 1.50 | 3 | -0.59 | 35 | -20.65 | |
| | Oles, Mateusz | | | 1486 * | POL | 1.00 | 1 | 0.08 | 35 | 2.80 | | | Brzezina, Piotr | | | 1866 | POL | 0.50 | 1 | -0.03 | 35 | -1.05 | | | Lecki, Leonard | | | 1780 | POL | 0.00 | 1 | -0.64 | 35 | -22.40 | | | * 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) | | | | XI MIEDZYNARODOWY FESTIWAL SZACHOWY GWIAZDA POLNOCY - OPEN | Jastrzebia Gora | POL | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1886 | 5.50 | 8 | -0.26 | 35 | -9.10 | |
| | Durzynski, Jan | | | 1549 | POL | 1.00 | 1 | 0.12 | 35 | 4.20 | | | Sputowski, Jakub | | | 1703 | POL | 0.00 | 1 | -0.74 | 35 | -25.90 | | | Reszka, Zofia | | | 1486 * | POL | 1.00 | 1 | 0.08 | 35 | 2.80 | | | Sobich, Stanislaw | | | 1549 | POL | 1.00 | 1 | 0.12 | 35 | 4.20 | | | Kawa, Anna | | | 1681 | POL | 1.00 | 1 | 0.24 | 35 | 8.40 | | | Darowicki, Mariusz | | | 1897 | POL | 0.00 | 1 | -0.48 | 35 | -16.80 | | | Suska, Szymon | | | 1818 | POL | 1.00 | 1 | 0.41 | 35 | 14.35 | | | Taranowicz, Michal | | | 1876 | POL | 0.50 | 1 | -0.01 | 35 | -0.35 | | | * 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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