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Individual Calculations August 2019 |
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| Ptak, Radoslaw Total change: -10.40 | |   |
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| Najdorf Chess Festival gr. C | Warszawa | POL | 2019-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1526 | 4.50 | 6 | -0.26 | 40 | -10.40 | |
|  Denysow, Damian | | | 1170 | POL | 0.50 | 1 | -0.39 | 40 | -15.60 | |  Winiarski, Szymon | | | 1214 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Wojdalski, Lukasz | | | 1303 | POL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Rosa, Antoni | | | 1345 | POL | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Jaworowski, Andre | | | 1270 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Winogrodzki, Jozef | | | 1390 | POL | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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