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Individual Calculations August 2015 |
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| Woloszyn, Piotr Total change: -21.20 | |   |
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| MIGUEL NAJDORF INTERNATIONAL CHESS FESTIVAL- Open C | Warszawa | POL | 2015-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1444 | 1.50 | 4 | -1.06 | 20 | -21.20 | |
|  Szulepa, Artur | | | 1300 | POL | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Kleyny, Maciej | | | 1592 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Bartoszewski-Reiski, Olaf | | | 1318 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Golecka, Jadwiga | | | 1081 | POL | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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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