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Rapid:
Individual Calculations January 2021 |
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| Perkowski, Jakub Total change: -8.20 | |   |
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| XXVI edycja Bialostockiej Ligi Szkolnej - 4. runda do lat 10 | Bialystok | POL | 2020-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1097 | 1.00 | 4 | -0.41 | 20 | -8.20 | |
|  Obrycki, Tomasz | | | 1310 | POL | 0.50 | 1 | 0.27 | 20 | 5.40 | |  Chiszko, Oskar | | | 1395 | POL | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Krysiewicz, Zofia | | | 944 | POL | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Piktel, Marcel | | | 1219 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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