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Individual Calculations August 2022 |
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| Kaminski, Jan Total change: 18.20 | |   |
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| Najdorf Chess Festival 2022 gr. A | Warszawa | POL | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1869 | 3.50 | 9 | 0.55 | 20 | 11.00 | |
|  Hackner, Oskar A | | | 2178 | ENG | 1.00 | 1 | 0.86 | 20 | 17.20 | |  Chomczyk, Marek | | | 2290 | POL | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Praczukowski, Stanislaw | | | 2055 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Harazinska, Magdalena | | wf | 1975 | POL | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Janeczko, Jakub | | | 2080 | POL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Pettersson, Alexander | | | 1968 | MLT | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Choroszej, Aleksander | | | 2040 | POL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Skrzypczynski, Kacper | | | 1792 | POL | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Mazur, Maciej | | | 1757 | POL | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | Warsaw Chess Open 2022 - B | Warszawa | POL | 2022-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1869 | 6.50 | 9 | 0.36 | 20 | 7.20 | |
| | Kozak, Jan | | | 1469 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Levytskyy, Lybomyr | | | 1529 | UKR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Szymkiewicz, Witold | | | 1642 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Masnyak, Yuriy | | | 1432 | UKR | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Rzenca, Jerzy | | | 1666 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Posuniak, Weronika | | | 1895 | POL | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Pawicka, Magdalena | | | 1780 | POL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Kowalczyk, Adam | | | 1944 | POL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Kaczmarska, Joanna | | | 1965 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | * 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) | | |
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