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Individual Calculations September 2012 |
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| Derewlany, Pawel Total change: 6.45 | |   |
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| Obra Lato Open 2012 | Obra | POL | 2012-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1678 | 1622 | 3.50 | 7 | 0.43 | 15 | 6.45 | |
|  Korbal, Arkadiusz | | | 2022 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Drobka, Andrzej | | | 1333 | POL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ptaszek, Przemyslaw | | | 1751 | POL | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Jedrzejczak, Przemyslaw | | | 1847 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Wrobel, Michal | | | 1525 | POL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Kaluzny, Tomasz | | | 1773 | POL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Owczarek, Monika | | | 1493 | POL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | * 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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