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Individual Calculations May 2017 |
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| Zerafa, Robert Total change: -14.80 | |   |
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| 49 CIS - Serie C Gironi 29-30-31 | Aci Castello | ITA | 2017-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1826 | 2045 | 3.00 | 5 | -0.74 | 20 | -14.80 | |
|  Natoli, Domenico | | | 1661 | ITA | 0.50 | 1 | -0.41 | 20 | -8.20 | |  Bonanno Consiglio, Giovanni Luca | | | 1645 * | ITA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Del Vivo, Marco | | | 1877 | ITA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Savalla, Gianluca | | | 1878 | ITA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Galioto, Giovanni | | | 2068 | ITA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | * 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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