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Individual Calculations July 2019 |
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| Ptaszek, Piotr Total change: -22.60 | |   |
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| Druzynowe Mistrzostwa Slaska Seniorow 2019 - Ekstraliga Round 7-9 | wojewodztwo slaskie | POL | 2019-06-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1874 | 1.00 | 3 | -0.73 | 20 | -14.60 | |
|  Gardian, Adam | | | 1747 | POL | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Kalkowski, Igor | | | 1871 | POL | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Boruta, Dawid | | | 1828 | POL | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | Miedzynarodowe Szachowe Mistrzostwa Malopolski Seniorow i Juniorow 2019 - Grupa B | Krakow | POL | 2019-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1874 | 4.50 | 7 | -0.40 | 20 | -8.00 | |
| | Zielinski, Marcin | | | 1520 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Gregulski, Zbigniew | | | 1644 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Zajac, Karol | | | 1706 | POL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kucharski, Bartlomiej | | | 1871 | POL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Wnek, Filip | | | 1694 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Wiejaczka, Bartlomiej | | | 1966 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Wrona, Florian | | | 1528 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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