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Individual Calculations July 2021 |
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| Lachcik, Marek Total change: -7.80 | |   |
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| Turniej o Puchar Burmistrza Ursusa A3 | Warszawa | POL | 2021-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1489 | 2.00 | 5 | -0.39 | 20 | -7.80 | |
|  Wieckowski, Michal | | | 1605 | POL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Suminski, Bogdan | | | 1464 | POL | 0.00 | 1 | -0.53 | 20 | -10.60 | |  Kasprzak, Lukasz | | | 1594 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Skowron, Dawid | | | 1356 | POL | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Borys, Marek | | | 1505 | POL | 0.50 | 1 | 0.02 | 20 | 0.40 | |
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) | | |
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