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Individual Calculations September 2017 |
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| Hoffmann, Piotr Total change: -10.00 | |   |
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| 25th Poznan Chess Festival | Poznan | POL | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1651 | 3.50 | 8 | -0.50 | 20 | -10.00 | |
|  Orzechowski, Jacek | | | 2051 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Zurawski, Mateusz | | | 1328 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Szymanski, Zbigniew | | | 1844 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Lapinski, Jerzy | | | 1280 | POL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lascar, Radoslawa | | | 1778 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Tomczak, Marta | | | 1483 | POL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Zakrzewski, Bartosz | | | 1554 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Zielinski, Olgierd | | | 1869 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | | | * 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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