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Individual Calculations February 2020 |
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| Grzelak, Piotr Total change: -43.60 | |   |
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| International Chess Festival VARSOVIA 2019 - group C | Warszawa | POL | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1389 | 2.50 | 6 | -1.09 | 40 | -43.60 | |
|  Kwiek, Janusz | | | 1501 | POL | 0.00 | 1 | -0.35 | 40 | -14.00 | |  Nozynski, Stanislaw | | | 1016 | POL | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Suska, Szymon | | | 1316 | POL | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Trzpil, Slawomir | | | 1545 | POL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Ignatowski, Nikodem | | | 1326 | POL | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Lecki, Leonard | | | 1085 | POL | 0.00 | 1 | -0.86 | 40 | -34.40 | |
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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