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Individual Calculations September 2009 |
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| Petruccioli, Antonio Total change: 1.80 | |   |
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| OP 16 Citta' di Campobasso | Campobasso | ITA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2098 | 3.50 | 6 | 0.12 | 15 | 1.80 | |
|  Laudisa, Antonio | | | 1873 | ITA | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Sumets, Andrey | g | | 2498 * | UKR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Lisi, Davide | | | 2023 | ITA | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Colucci, Stefano | | | 1994 | ITA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Vitobello, Pasquale | | | 2015 | ITA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Grasso, Nino | | | 1971 | ITA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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