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Individual Calculations July 2009 |
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| Perogio, Lorenzo Total change: -5.40 | |   |
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| OP Citta' di Viterbo | Viterbo | ITA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1876 | 1.50 | 5 | -0.36 | 15 | -5.40 | |
|  Passerotti, Pierluigi | f | | 2226 | ITA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Antoniacci, Riccardo | | | 1921 | ITA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Caleffi, Cesare | | | 2003 | ITA | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Rampini, Carlo | | | 1788 | ITA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Campomori, Bruno | | | 1978 | ITA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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