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Individual Calculations April 2018 |
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| Stefaniuk, Zbigniew Total change: -10.40 | |   |
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| Otwarta Liga Mazowiecka 2017-2018 | Warszawa | POL | 2017-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1268 | 1120 | 0.50 | 2 | -0.13 | 40 | -5.20 | |
|  Potkanski, Grzegorz | | | 1161 | POL | 0.50 | 1 | 0.06 | 40 | 2.40 | |  Bartczak, Hanna | | | 1374 | POL | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | VII TURNIEJ SZACHOWY "O GDANSKA KORONE" FIDE | Gdansk | POL | 2018-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1190 | 1120 | 1.50 | 4 | -0.13 | 40 | -5.20 | |
| | Swiatek, Mateusz | | | 1287 | POL | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Kurzawa, Marcin | | | 1268 | POL | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Krotowski-Cacha, Michal | | | 1123 | POL | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Janusiewicz, Michal | | | 1081 | POL | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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