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Individual Calculations September 2021 |
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| Dahche, Abdel-Azziz Total change: 14.40 | |   |
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| Wroclaw OPEN 2021- group B | Wroclaw | POL | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1641 | 6.00 | 9 | 1.42 | 40 | 56.80 | |
|  Trela, Konrad | | | 1396 | POL | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Kawulski-Chodkiewicz, Alexander | | | 1448 | POL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Stefanski, Robert | | | 1582 | POL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Jaworski, Tymon | | | 1608 | POL | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Sikora, Rafal | | | 1937 | POL | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Vanduyfhuys, Igor | | | 1605 | BEL | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Mazurkiewicz, Lukasz | | | 1537 | POL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Swierzy, David | | | 1828 | GER | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Somyk, Marcin | | | 1794 | POL | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1641 | 4.00 | 7 | -1.06 | 40 | -42.40 | |
| | Perucki, Maciej | | | 1306 | POL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Kukorowski, Jan | | | 1771 | POL | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Lascar, Maria Elena | | | 1481 | POL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Prokopiuk, Jakub | | | 1402 | POL | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Jozefik, Aleksander | | | 1471 | POL | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Rychlik, Michal | | | 1241 * | POL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Kopestynski, Michal | | | 1482 | POL | 0.50 | 1 | -0.21 | 40 | -8.40 | | | * 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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