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Individual Calculations September 2021 |
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| Pietraszko, Jakub Total change: -62.60 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1816 | 4.50 | 9 | -3.13 | 20 | -62.60 | |
|  Kurcaba, Lukasz | | | 1497 | POL | 0.50 | 1 | -0.37 | 20 | -7.40 | |  Wojciechowski, Franciszek | | | 1522 | POL | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Rog, Mateusz | | | 1515 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Rzenca, Jerzy | | | 1578 | POL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Jankowski, Franciszek | | | 1416 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Lochina, Justyna | | | 1524 | POL | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Prokopiuk, Jakub | | | 1416 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Grzebieniowski, Michal | | | 1599 | POL | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Karpinski, Andrzej | | | 1581 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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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