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Individual Calculations August 2021 |
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| Renn, Grzegorz Total change: -7.20 | |   |
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| Najdorf Chess Festival 2021 gr. B | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1452 | 1133 | 1.00 | 6 | 0.18 | 40 | 7.20 | |
|  Zimochocki, Roman | | | 1533 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Piskorski, Filip | | | 1455 | POL | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Wasylewski, Marcin | | | 1400 | POL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Daniel, Zbigniew | | | 1403 | POL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ekwinski, Jan | | | 1407 | POL | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Mazurkiewicz, Wojciech | | | 1516 | POL | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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) | | | | Warsaw Chess Open - C | Warszawa | POL | 2021-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1133 | 0.00 | 2 | -0.36 | 40 | -14.40 | |
| | Lachcik, Marek | | | 1481 | POL | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Czarnowicz, Michal | | | 1329 | POL | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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