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Individual Calculations August 2022 |
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| Szewczak, Andrzej Total change: -33.40 | |   |
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| 261st YMCA Summer 2022-A Round 1 | Warszawa | POL | 2022-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1694 | 0.00 | 1 | -0.26 | 20 | -5.20 | |
|  Kasperkiewicz, Pawel | | | 1881 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | 261st YMCA Summer 2022-A Round 2-5 | Warszawa | POL | 2022-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1694 | 2.00 | 4 | 0.73 | 20 | 14.60 | |
| | Mazurek, Jerzy | | | 1752 | POL | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Pajak, Jakub | | | 1908 | POL | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Polak, Michal | | | 1944 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Pichurko, Jakub | | | 1743 | POL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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) | | | | Najdorf Chess Festival 2022 group B | Warszawa | POL | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1389 | 1694 | 5.50 | 9 | -2.14 | 20 | -42.80 | |
| | Mielcuch, Karol | | | 1300 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Napieralski, Lucjan | | | 1407 | POL | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Zambrowski-Mazurek, Stefan | | | 1294 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Marciniak, Kajetan | | | 1370 | POL | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Grzelak, Piotr | | | 1345 | POL | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Milosz, Stanislaw | | | 1357 | POL | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Wnuk, Piotr | | | 1411 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Tomalak, Stanislaw | | | 1553 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Terkiewicz, Bruno | | | 1468 | POL | 0.00 | 1 | -0.79 | 20 | -15.80 | | | * 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) | | |
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