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Individual Calculations September 2017 |
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| Purzycki, Jan Dawid Total change: 2.40 | |   |
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| 25th Poznan Chess Festival | Poznan | POL | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1982 | 5.00 | 8 | 0.12 | 20 | 2.40 | |
|  Szafranski, Piotr | | | 1582 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kaluzny, Jan | | | 1582 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Zakrzewski, Marek | | | 2237 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Szymanski, Zbigniew | | | 1844 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Zadymov, Ihor | | | 2089 | UKR | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Czarnolewski, Piotr | | | 1677 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Raczynski, Krzysztof | | | 2208 | POL | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Sacharewicz, Krzysztof | | | 1800 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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