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Individual Calculations June 2015 |
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| Ferri, Valerio Total change: -57.60 | |   |
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| WE 4 della Maremma - B | Grosseto | ITA | 2015-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1800 | 2.50 | 4 | -0.32 | 40 | -12.80 | |
|  Picchi, Darina Francesca | | | 1674 | ITA | 0.00 | 1 | -0.67 | 40 | -26.80 | |  Carlesi, Tommaso | | | 1699 | ITA | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Casini, Ivan | | | 1624 | ITA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Lussetti, Jacopo | | | 1583 | ITA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | CR Lazio 2015 | Ladispoli | ITA | 2015-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1800 | 1.00 | 4 | -1.12 | 40 | -44.80 | |
| | Bontempi, Piero | f | | 2200 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cardellini, Fabio | | | 1657 | ITA | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Placchetta, Omero | | | 1589 | ITA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Boccardi, Alessandro | | | 1740 | ITA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | * 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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