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Individual Calculations September 2017 |
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| Gralka, Julian Total change: -15.80 | |   |
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| 53. Miedzynarodowy Festiwal Szachowy im. Akiby Rubinsteina - Open B | Polanica-Zdroj | POL | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 2230 | 6.50 | 9 | -0.79 | 20 | -15.80 | |
|  Rychlik, Bogdan | | | 1830 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kawula, Andrzej | | | 1880 * | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Zowada, Kazimierz | | | 2046 | POL | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Czuchnicki, Jan | | | 1911 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Blaushtain, Boris | | | 1976 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Szymczak, Zbigniew | m | | 2163 | POL | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Grossmann, Ryszard | f | | 2073 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Marszk, Kazimierz | | | 1830 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lada, Ireneusz | | | 1940 | POL | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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