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Individual Calculations September 2021 |
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| Radwan, Jan Total change: -112.20 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN C | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1407 | 2.00 | 8 | -2.24 | 20 | -44.80 | |
|  Krupa, Jerzy | | | 1807 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dembowski, Andrzej | | | 1807 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Nowak, Adam | | | 1350 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Ostrowski, Michal | | | 1198 | POL | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Wisniewski, Wieslaw | | | 1346 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Hetzer, Margarete | | | 1071 | GER | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Karamucki, Henryk | | | 1367 | POL | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Popiolek, Henryk | | | 1248 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1318 | 1407 | 1.50 | 8 | -3.37 | 20 | -67.40 | |
| | Rosinski, Radoslaw | | | 1724 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Wilgosz, Tomasz | | | 1569 | POL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Zbijowski, Patryk | | | 1161 | POL | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Kawulski-Chodkiewicz, Alexander | | | 1448 | POL | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Warda, Krzysztof | | | 1213 | POL | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Czernichowski, Konrad | | | 1061 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Przybylik, Mariusz | | | 1137 | POL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Strutynski, Kamil | | | 1234 | POL | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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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