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Individual Calculations September 2011 |
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| Ortu, Andrea Total change: 20.40 | |   |
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| CIG Under 16 | Porretta Terme | ITA | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 1661 | 1.50 | 4 | 0.68 | 30 | 20.40 | |
|  Gigovski, Gjoko | | | 1978 | ITA | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Giampieri, Stefano | | | 1847 | ITA | 0.00 | 1 | -0.26 | 30 | -7.80 | |  Doronzo, Michele | | | 1952 | ITA | 1.00 | 1 | 0.85 | 30 | 25.50 | | | Violi, Vincenzo | | | 1825 | ITA | 0.50 | 1 | 0.22 | 30 | 6.60 | |
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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