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Individual Calculations September 2023 |
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| Grubiak, Roman Total change: -22.20 | |   |
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| 59. Miedzynardowy Festiwal Szachowy im. Akiby Rubinsteina - Open C | Polanica-Zdroj | POL | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1660 | 5.00 | 9 | -1.11 | 20 | -22.20 | |
|  Popiolek, Henryk | | | 1249 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fainberg, Boris | | | 1976 | ISR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Pogonowski, Ryszard | | | 1293 | POL | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Zak, Tomasz | | | 1260 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Mazur, Jan | | | 1360 | POL | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Ossowski, Boleslaw | | | 1472 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Meizlin, Yaacov | | | 1885 | ISR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Cichocka, Katarzyna | | | 1527 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Muc, Zbigniew | | | 1470 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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