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Individual Calculations June 2013 |
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| Marvulli, Dario Total change: -4.50 | |   |
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| OP 2 della Maremma | Marina di Grosseto | ITA | 2013-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1827 | 1.50 | 5 | -0.30 | 15 | -4.50 | |
|  Delfino, Luigi | | | 2210 | ITA | 0.00 | 1 | -0.09 | 15 | -1.35 | |  Giannoni, Massimo | | | 1918 | ITA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Barbafiera, Luigi | | | 1978 | ITA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Pacini, Ermanno | | | 1869 | ITA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Mordini, Stefano | | | 1760 | ITA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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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