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Individual Calculations July 2011 |
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| Ghelfi, Giancarlo Total change: 11.25 | |   |
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| OP Primavera a Como 2011 | Como | ITA | 2011-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1678 | 2.00 | 4 | 0.45 | 25 | 11.25 | |
|  Nastasi, Ivano | | | 1714 | ITA | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Lipari, Alberto | | | 1655 | ITA | 0.50 | 1 | -0.03 | 25 | -0.75 | | | Rossi, Giampiero | | | 1954 | ITA | 1.00 | 1 | 0.83 | 25 | 20.75 | |  Primerano, Carlo | | | 1750 | ITA | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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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