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Individual Calculations September 2021 |
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| Perek, Oskar Total change: -56.00 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN E | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1567 | 5.50 | 9 | -1.40 | 40 | -56.00 | |
|  Sybis, Roman | | | 1167 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Kurzawa, Marcin | | | 1289 | POL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Czak, Dominik | | | 1399 | POL | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Marek, Grzegorz | | | 1295 | POL | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Kulig, Pawel | | | 1401 | POL | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Predkiewicz, Paulina | | | 1377 | POL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Lasok, Marek | | | 1404 | POL | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Jankowski, Igor | | | 1463 | POL | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Adamowicz, Michal | | | 1352 | POL | 0.00 | 1 | -0.77 | 40 | -30.80 | | | * 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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