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Individual Calculations January 2019 |
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| Hoffmann, Piotr Total change: 9.20 | |   |
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| IV Wielkopolska Liga Seniorów Grupa A 2018-2019 Round 3 | Poznan | POL | 2018-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1640 | 0.00 | 1 | -0.16 | 20 | -3.20 | |
|  Paczka, Patryk | | | 1922 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | VI Bozonarodzeniowy Turniej Szachowy OPEN | Poznan | POL | 2018-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1640 | 3.00 | 5 | 0.62 | 20 | 12.40 | |
| | Palasz, Jakub | | | 1240 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kozlowski, Tomasz | | | 1874 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Rosenfeld, Noe | | | 1326 | POL | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Chaczynski, Kamil | | | 1828 | POL | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Fengier, Winicjusz | | | 1960 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | * 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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