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Individual Calculations December 2021 |
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| Zarecki, Piotr Total change: 21.20 | |   |
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| Mistrzostwa Plocka w szachach klasycznych 2021 | Plock | POL | 2021-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1665 | 1395 | 2.00 | 7 | 0.53 | 40 | 21.20 | |
|  Chomczyk, Marek | | | 1795 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sygulski, Piotr | | | 1795 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Borkowski, Kamil | | | 1795 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mysliwiec, Sebastian | | | 1083 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Grochulski, Krzysztof | | | 1795 * | POL | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Kowalczyk, Michal | | | 1704 | POL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Szymanski, Jan | | | 1687 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * 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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