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Individual Calculations September 2023 |
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| Kostka, Eryk Total change: 267.22 | |   |
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| Poznanski Festiwal Szachowy | Poznan | POL | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1085 | 2.50 | 6 | 2.08 | 31 | 64.48 | |
|  Wolnowski, Jakub | | | 1579 | POL | 0.00 | 1 | -0.04 | 31 | -1.24 | | | Wawrzyniak, Wojciech | | | 1434 | POL | 0.50 | 1 | 0.39 | 31 | 12.09 | |  Shakhnovich, Uladzislau | | | 1461 | FID | 0.00 | 1 | -0.09 | 31 | -2.79 | | | Chodorowski, Wlodzimierz | | | 1476 | POL | 0.50 | 1 | 0.41 | 31 | 12.71 | | | Przysiecki, Maciej | | | 1560 | POL | 1.00 | 1 | 0.95 | 31 | 29.45 | | | Jankowski, Adam | | | 1577 | POL | 0.50 | 1 | 0.46 | 31 | 14.26 | |
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) | | | | Adolf Anderssen Chess Festival 2023 - Wroclaw Open C | Wroclaw | POL | 2023-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1085 | 5.50 | 9 | 3.56 | 31 | 110.36 | |
| | Burakiewicz, Marcin | | | 1423 | POL | 0.50 | 1 | 0.38 | 31 | 11.78 | | | Koliczko, Oskar | | | 1366 | POL | 0.00 | 1 | -0.16 | 31 | -4.96 | | | Szachniewicz, Aleksander | | | 1146 | POL | 1.00 | 1 | 0.58 | 31 | 17.98 | | | Sypek, Mateusz | | | 1261 | POL | 0.50 | 1 | 0.23 | 31 | 7.13 | | | Kopacz, Mikolaj | | | 1323 | POL | 1.00 | 1 | 0.80 | 31 | 24.80 | | | Belocky, Daniel | | | 1304 | CZE | 1.00 | 1 | 0.78 | 31 | 24.18 | | | Chaber, Dominik | | | 1391 | POL | 0.00 | 1 | -0.14 | 31 | -4.34 | | | Barteckova, Nikol | | | 1256 | CZE | 1.00 | 1 | 0.73 | 31 | 22.63 | | | Krawiec, Adam | | | 1396 | POL | 0.50 | 1 | 0.36 | 31 | 11.16 | |
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) | | | | XXX Jubileuszowy Festiwal Szachowy w Poznaniu | Poznan | POL | 2023-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1436 | 1085 | 4.00 | 7 | 2.98 | 31 | 92.38 | |
| | Mrugalski, Maksymilian | | | 1062 | POL | 1.00 | 1 | 0.47 | 31 | 14.57 | | | Czarnolewski, Piotr | | | 1577 | POL | 0.50 | 1 | 0.46 | 31 | 14.26 | | | Kabzinski, Jan | | | 1617 | POL | 0.00 | 1 | -0.03 | 31 | -0.93 | | | Wojciechowski, Szymon | | | 1422 | POL | 0.50 | 1 | 0.38 | 31 | 11.78 | | | Nicikowski, Jozef | | | 1398 | POL | 1.00 | 1 | 0.86 | 31 | 26.66 | | | Michalska, Lena | | | 1507 | POL | 0.00 | 1 | -0.07 | 31 | -2.17 | | | Bajer, Sebastian | | | 1468 | POL | 1.00 | 1 | 0.91 | 31 | 28.21 | |
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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