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Individual Calculations July 2015 |
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| Mattavelli, Italo Total change: 22.40 | |   |
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| OP 2 Citta' di Vercelli - B | Vercelli | ITA | 2015-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1737 | 2.50 | 4 | 1.12 | 20 | 22.40 | |
|  Castelli, Giovanni J. | | | 1975 | ITA | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Finocchiaro, Gianluca | | | 1998 | ITA | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Bellafiore, Enzo | | | 1776 | ITA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Avetta, Gianmario | | | 1701 | ITA | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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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