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Individual Calculations January 2009 |
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| Medda, Carlo Total change: 22.25 | |   |
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| Weekend CHessOpen | LUGANO | SUI | 2008-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1721 | 1.50 | 4 | 0.89 | 25 | 22.25 | |
|  Brugo, Marco | | | 2071 | ITA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Tomelleri, Alessio | | | 1945 | ITA | 1.00 | 1 | 0.78 | 25 | 19.50 | | | Gaggino, Davide | | | 1989 | ITA | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Botta, Gabriele | | | 2071 | SUI | 0.00 | 1 | -0.11 | 25 | -2.75 | |
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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