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Individual Calculations April 2018 |
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| Potkanski, Michal Total change: 9.40 | |   |
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| Druzynowe Mistrzostwa Mazowsza 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1548 | 0.50 | 4 | 0.05 | 20 | 1.00 | |
|  Radecki, Wojciech | | | 1848 | POL | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Sanz, Losada Victoriano | c | | 1948 * | ESP | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Czapla, Andrzej | | | 1948 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kosny, Marek | | | 1852 | POL | 0.50 | 1 | 0.36 | 20 | 7.20 | | | * 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) | | | | Otwarta Liga Mazowiecka 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1548 | 1.00 | 1 | 0.42 | 20 | 8.40 | |
| | Stojke, Krzysztof | | | 1489 | POL | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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