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Individual Calculations September 2019 |
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| Betkowski, Andrzej Total change: -3.00 | |   |
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| 55. Miedzynarodowy Festiwal Szachowy im. A.Rubinsteina OPEN A | Polanica-Zdroj | POL | 2019-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2023 | 5.00 | 9 | -0.15 | 20 | -3.00 | |
|  Starosciak, Szymon | | | 1762 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Grabarczyk, Miroslaw | g | | 2362 | POL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kejna, Piotr | c | | 1774 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Lapaj, Mateusz | | | 2233 | POL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Pluta, Natalia | | | 1808 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Stachecki, Mikolaj | | | 1765 | POL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Shishkin, Vadim | g | | 2423 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jedynak, January | | | 1822 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Grochol, Kamil | | | 1837 | POL | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | |
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