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Individual Calculations March 2023 |
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| Sternik, Piotr Total change: -74.40 | |   |
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| 271st YMCA Winter 2023-A Round 4-7 | Warszawa | POL | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1820 | 1.00 | 3 | -0.64 | 40 | -25.60 | |
|  Rylski, Tadeusz | | | 1824 | POL | 0.50 | 1 | 0.01 | 40 | 0.40 | |  Safanowski, Tomasz | | | 1687 | POL | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Pettersson, Alexander | | | 1839 | SWE | 0.50 | 1 | 0.03 | 40 | 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) | | | | OTWARTA LIGA MAZOWIECKA 2023 Round 5-6 | woj. mazowieckie | POL | 2023-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1820 | 1.00 | 2 | 0.16 | 40 | 6.40 | |
| | Mickiewicz, Piotr | | | 2274 | POL | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Kucharski, Sylwester | | | 1604 | POL | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | Druzynowe Mistrzostwa Mazowsza 2023 Round 5-6 | woj. mazowieckie | POL | 2023-02-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1820 | 1.00 | 2 | -0.16 | 40 | -6.40 | |
| | Ciechanski, Jacenty | c | | 2021 | POL | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Mielcuch, Karol | | | 1420 * | POL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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) | | | | Turniej FIDE w Ursusie o Puchar Burmistrza Bogdana Olesinskiego A2 2023 | Warszawa | POL | 2023-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1820 | 1.50 | 5 | -1.22 | 40 | -48.80 | |
| | Szymkiewicz, Witold | | | 1718 | POL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Pancewicz, Szymon | | | 1905 | POL | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Bujalski, Mateusz | | | 1775 | POL | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Smetek, Michal | | | 1725 | POL | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Celinski, Kamil | | | 1813 | POL | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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