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Individual Calculations September 2021 |
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| Derejczyk, Mateusz Total change: 21.20 | |   |
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| Miedzynarodowe Mistrzostwa Pomorza o Puchar Solidarnosci | Gdansk | POL | 2021-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1533 | 2.50 | 7 | 0.50 | 40 | 20.00 | |
|  Marszk, Kazimierz | | | 1879 | POL | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Bugalski, Michal | | | 1933 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Litwinski, Wojciech | | | 1709 | POL | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Reshetniak, Vitaliy | | | 1933 * | UKR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kot, Jerzy | f | | 1891 | POL | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Murglin, Kamil | | | 1274 | POL | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Swiatek, Mateusz | | | 1501 | POL | 0.50 | 1 | -0.04 | 40 | -1.60 | | | * 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) | | | | Festiwal Szachowy Szachy w Ustroniu lacza pokolenia - Grupa B | Ustron | POL | 2021-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1602 | 2.00 | 8 | 0.03 | 40 | 1.20 | |
| | Kotula, Pawel | | | 1835 | POL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Bancarewicz, Aleks | | | 1770 | POL | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Michalska, Aleksandra | | | 1862 | POL | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Zabron, Maksym | | | 1895 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Bujalski, Mateusz | | | 1801 | POL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Marcinowski, Marek | | | 1755 | POL | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Gepfert, Cyprian | | | 1740 | POL | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Piechota, Kamil | | | 1749 | POL | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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