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Individual Calculations September 2009 |
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| Parrella, Alfredo Total change: -9.75 | |   |
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| OP 16 Citta' di Campobasso | Campobasso | ITA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2099 | 2.50 | 5 | -0.65 | 15 | -9.75 | |
|  D Orta, Antonio | | | 1876 | ITA | 0.50 | 1 | -0.28 | 15 | -4.20 | |  Locci, Damiano | | | 2119 | ITA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Messina, Enrico | | | 2110 | ITA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Lisi, Davide | | | 2023 | ITA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Mazza, Daniele | | | 1838 | ITA | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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