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Individual Calculations February 2023 |
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| Brzezina, Piotr Total change: 50.80 | |   |
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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 |
| 1924 | 1866 | 4.00 | 9 | 0.20 | 40 | 8.00 | |
|  Perez Cabas, Jose | | | 1998 | ESP | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Starosta, Martyna | | wc | 1991 | POL | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Csernyik, Mark | | | 1947 | HUN | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Lehocz, Jozsef | | | 1983 | HUN | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Negrean, Andrei | | | 1991 | ROU | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Skytte, Torill | | | 1971 | DEN | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Kindler, Karolina | | | 1802 | POL | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Perogio, Lorenzo | | | 1827 | ITA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Karut, Kacper | | | 1804 | POL | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 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 |
| 1633 | 1866 | 2.50 | 3 | 0.24 | 40 | 9.60 | |
| | Smolinski, Wojciech | | | 1466 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Witczak, Borys | | | 1886 | POL | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Lajdamik, Kinga | | | 1546 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | * 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) | | | | Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga 2023 Round 1-3 | Chorzow | POL | 2023-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1866 | 1.50 | 2 | 0.83 | 40 | 33.20 | |
| | Cieslak, Patrycjusz | | | 2046 | POL | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Kukula, Karol | | | 1932 | POL | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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) | | |
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