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Individual Calculations February 2018 |
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| Kopestynski, Michal Total change: 83.20 | |   |
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| IV Dolnoslaska Liga Szachowa 2017/2018 r 6-7 | Dolny Slask | POL | 2018-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1139 | 1.00 | 2 | 0.84 | 40 | 33.60 | |
|  Witkowski, Krzysztof | | | 1539 * | POL | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Janas, Radoslaw | | | 1539 * | POL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | I Feryjny Wyscig po Kategorie'2018 | Wroclaw | POL | 2018-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1264 | 1139 | 3.00 | 5 | 1.24 | 40 | 49.60 | |
| | Dec, Kazimierz | | | 1526 | POL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Krasicki, Boguslaw | | | 1242 | POL | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Koprowski, Mateusz | | | 1256 | POL | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Dulba, Aleksander | | | 1167 | POL | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Grobelny, Mikolaj | | | 1130 | POL | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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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