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Individual Calculations September 2011 |
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| Stefanski, Stefan Total change: -11.70 | |   |
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| Szachowe Lato 2011 - open A | Poznan | POL | 2011-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1503 | 0.50 | 4 | -0.39 | 30 | -11.70 | |
|  Kozlowski, Tomasz | | | 1903 * | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Szymanski, Leszek | | | 1840 | POL | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Jedrzejczak, Przemyslaw | | | 1814 | POL | 0.00 | 1 | -0.14 | 30 | -4.20 | | | Choremska, Zuzanna | | | 1469 | POL | 0.50 | 1 | -0.05 | 30 | -1.50 | | | * 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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